Friday, February 19, 2010

Thermometer Min-Max Mercury Press Button by Sper Scientific

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Small floats are pushed to each temperature extreme by the two mercury columns and stay there until reset with the attached magnet or by pushing the red button on the front.
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Technical Details

- 7-7/8 x 2-1/2 x 7/8"
- 4 Ounces
- Dual scales of -40/50°C and -40/120°F
- 5 YR Warranty
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Customer Buzz
 "Pleased with Purchase" 2009-11-06
By LAB_DC
We have had our thermometers here in the lab for a couple of weeks now, and they have been working great. I also ordered an extra for my home. I would recommend this product.

Customer Buzz
 "Accurate, Reliable, Affordable" 2009-11-06
By SciencePro
I love this thermometer. We have ordered several for our facility, and they have performed perfectly in hot and cold environments. We have also ordered other Sper Scientific products, which have been great.

Customer Buzz
 "Cheap and Defective" 2009-07-29
By Lesmok (Los Angeles CA USA)
I opted for this thermometer over less-expensive units because I wanted something that was reliable and accurate. The first time I used it, the maximum indicator would not reset using either the reset button or the magnet. Now I have the hassle of returning it and finding another thermometer that works.



Any resemblance to the high-quality Airguide min/max thermometer of years ago is strictly cosmetic.


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Thursday, February 18, 2010

Type-k Thermocouple Probes Large Penetration Probes, Sper Scientific - Model 14003-124

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Type-K Thermocouple Probes Large Penetration Probes, Sper Scientific - Model 14003-124 : Type-K thermocouple probes for use with Type-K thermometers in 14003-070 series. Ambient probes provide fast response in air or gas. Choose the beaded wire ambient probe to sample hard-to-reach areas. Ordering Information: Type-J probes are available
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Technical Details

- Description: Large. Sper Scientific No.Cat. No.: 800066.
- Unit: Each
- Large
- This product may be an accessory for Type-K Thermocouple Probes, Sper Scientific and may differ from the image shown. If you have any concerns, please contact us prior to placing your order.
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Wednesday, February 17, 2010

Sper Scientific Digital Thermometer - Pocket Type - 800038

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Digital Pocket Thermometer
Attractive water resistant case with a perforated sheath to allow ambient temperature measurement without removing the metal probe. Simple one button operation with advanced features including high full scale accuracy, fast response, recall of maximum, minimum and last temperature before shut off, auto power off, and hold function. Measures a wide temperature range in user selectable ºC or ºF displayed in large 0.4 digits. Weight: 1.1oz (32g).
Dim: 7½ x 1 x ½ (190 x 25 x 13mm). Piercing probe length 3 ½ (90mm).
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Technical Details

- Range: ºC -50 ~ 200ºC, ºF -58 ~ 392ºF
- One Button Operation
- Min / Max Temperature
- Large Display
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Monday, February 15, 2010

Auto-ranging Digital Multimeter with Rubber Holster By Sper Scientific

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All the multimeter functions required for standard applications and more, at a terrific price. Comes with a protective rubber holster featuring a tripod back that also attaches to a belt. The holster has a clip which holds the test lead in place while at work and covers the tip for safety while traveling. Operates on a single 9V battery, included. Special features: 1999 count display, Continuity, Hold, Square wave output, Display Backlight, Low Battery Hold
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Technical Details

- DC Voltage: 200mV/200mV/20V/200V/500V
- AC Voltage: 200V/500V
- DC Current: 200µA/20mA/200mA/10A
- Resistance: 200/2000/20K/200K/20M/200M
- 1999 count display
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Sunday, February 14, 2010

The Future of Israel

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In his new book, THE FUTURE OF ISRAEL, Devin Sper, scholar and passionate Zionist, offers a timely examination of Israel’s current crisis and answers the increasingly desperate question, "Where does Israel go from here?" In THE FUTURE OF ISRAEL, Sper explains:

· Why pursing the peace "process" is not in Israel’s interest.

· Why both the cause of, and the solution to, Israel’s problems and historical Jewish suffering are one in the same.

· The three things Israel must do immediately to insure her survival and provide security for her people.

· How and why a small fringe group hijacked Judaism and led the Jews to one tragedy after another.

Sper maintains that Israel is today without a vision of her future, her economy is in shambles and her people in despair. "Their hopes for peace have collapsed and there is a complete vacuum of ideas among Israel's leaders on a new direction, which will lead the country out of her seemingly endless tragedy." To end two millennia of Jewish suffering, Sper argues, Israel must reverse the course her leaders chose at Oslo and resume a commitment to the accumulation of Jewish power she began so promisingly in 1948. Sper presents a vision culminating in Israel as a major power and lays out a long-term plan for achieving this goal. Only by making this journey, argues Sper, can a permanent end to Jewish suffering be realized. With its radical new vision for the future of Israel and the Jewish people based on a remarkably realized plan for a country in turmoil, The Future of Israel is the rightful heir to Theodore Hertzl’s ground-breaking The Jewish State.

Sper bases his new vision on an ancient and once mainstream Jewish philosophy. It is a dynamic Judaism flowing from the Bible itself, a Judaism unafraid to engage and challenge the world, which the ancient historian Josephus called the "Fourth Philosophy." Sper explains how the abandonment of this genuine form of Judaism has led to centuries of tragedy for the Jewish people and why a return to this authentic Jewish philosophy is the only path to a secure Jewish future.

Meticulously researched and compellingly argued, this brilliant and original work boldly reinterprets Jewish history and theology to offer the Jewish people and Israel a strategy to reclaim its place as a great nation.
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Customer Buzz
 "Brutally honest-Yet compassionate in its view of all." 2007-02-07
By Boz (USA)
Our author has written a very readable book outlining what he believes to have been the pacifist strain in Judaism. The peace party as he calls them embodied in Rabbi Yochanan Ben Zakai was the train of thought that led Jews to be silent and sometimes complicit in their own misery.

The Rabbis who stood by the people in their efforts to negate the crushing weight of Roman rule such as Rabbis Akivas and Ishmael were eventually killed for their principles. With their deaths the pacifist movement took over.

The peace movement basically did flips and flops to try and keep peace with the current govt by using the mentality of "Render unto Caesar"

Even so when post 73 revolts broke out, their kumbaya style of diplomacy and gun control ended with whole villages being destroyed and people murdered by the thousands, since for the Romans a Jew was Jew was a Jew.

He dosent judge the participants. He states he cannot walk in the shoes of those that suffered thru all of the grievous tumults from 68 to 135 a.d. and does not mock or scoff or belittle those Rabbis he feels were wrong, in fact I think he feels very sad for them, but he does state that he thinks their politics was misguided and led the nation to further calamity.

Using quotes from the Talmud and Greek and Roman historians in particular Dio Cassius as his sources, the author presents a thesis that you may well disagree with but cannot ignore.

Thank You Devin Sper for such a thought provoking book.



Customer Buzz
 "An atypical book about Israel" 2005-06-03
By Jill Malter (jillmalter@aol.com)
I think this fascinating book goes a little overboard. But it makes some excellent points. Still, it could be that this book was not really written primarily for a polytheist such as myself.



Sper begins by noting that many people have enemies that persecute them. Some overcome them. Others succumb. The Jews have done neither.



He then gives an unforgettable example of Rabbi Johanan ben Zakkai, who berated a starving Jewish girl but gave gifts to the Romans who persecuted her.



After that comes a section on Jewish history which I think is a little biased and misleading. I think Jews often overestimated their strength and suffered the consequences. In my opinion, Sper also overestimates the potential of the Jews to compete against the Roman Empire. Still, I think it is worth reading what he says.



The author makes a good point about truth: some folks have sacrificed it in favor of convenience. And that has led to some great absurdities, such as terrorists being called "freedom fighters" (although the only fighting they do is against freedom) and Yassir Arafat getting a Nobel Peace Prize.



Sper discusses the Jewish right to the land of Israel. He mentions that Arabs left the land desolate. I think that's a very good point! Mongols left Russia desolate, and that was a big clue that Russia, not Mongolia, was going to have a better claim to the land. He also mentions that Arabs have 500 times as much land as Israel. That means that Israel can afford to buy its land while the Arabs can not afford to buy theirs. Another good point!



Some Arabs say that they want the land of Israel. But when they did have the West Bank, they used it for little more than a base from which to try to destroy Israel. I believe that Abraham Lincoln said that those who deny freedom to others do not deserve it for themselves, and Sper surely makes that point as well. And I have to agree. Just as the Sudetens forfeited their rights to Czechoslovakia by denying rights to the Czechs, I think Arabs who do not abide rights for Jews have forfeited their rights to Israeli land.



The author wants Israel to make use of its strengths and build on them. That makes sense. And if one looks at it from the point of view of the Arabs, it makes even more sense. As Sper says, the Arabs (not Israel) are the source of political instability in the Middle East. If they can't stop fighting their neighbors, they'll eventually run into opponents who make full use of their abilities to fight back, whether they be Jews or others or both.



I agree with Sper that Israel ought to declare some borders and state its case for them. That would get others to realize that Israel has both a goal and a case to support it. As it stands, many folks believe that Israel has neither. And the author correctly points out that there has never been a "peace process," only a "surrender of land" process in which Israel loses land and gets its people killed.



I was going to give this book three stars. But I'm adding one because Sper says that it is a lie that the Levantine Arabs "are a unique people, different than other Arabs, and it is a lie that their goal is to build a state. Their goal, as demonstrated time and time again, is not to build but to destroy, to destroy Israel." They do not have a constructive national movement.



All this is pretty obvious, but very few people have said this in print! We need more people than Sper to point out that the Emperor is underdressed!

Customer Buzz
 "An important book!" 2004-10-25
By js505
This book gives me hope for the Jewish people. Sper's message is Powerful. I encourage Jews and Non-Jews to read it.


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Large Display Digital Pocket Timer By Sper Scientific

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Although small and easily portable, this timer features a large display with ¾" high digits. Also unique is an auto-power-off feature to extend battery life (operates only when the timer is idle for 10 minutes and will not interrupt a timing sequence). Counts down from 100 minutes with 1-second resolution. Short warning alarms sound at 3 and 5 minutes prior to the final 30-second alarm. Automatically records elapsed time following the alarm for up for to 20 minutes, or until stopped. A memory recalls the last timer setting for repetitive tests. Has a built in stand, pocket clip and magnetic back. One AAA battery included. Weight: 2.4 oz (70 g). Dim: 2 ½" x 2 ½" x ½" (65 x 65 x 15 mm).

5 YEAR WARRANTY
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- Auto p off
- Records elapsed time
- Memory recall
- Magnetic back
- AAA battery included
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Type-k Thermocouple Probes Standard Surface Probes, Sper Scientific - Model 14003-132

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Type-K Thermocouple Probes Standard Surface Probes, Sper Scientific - Model 14003-132 : Type-K thermocouple probes for use with Type-K thermometers in 14003-070 series. Ambient probes provide fast response in air or gas. Choose the beaded wire ambient probe to sample hard-to-reach areas. Ordering Information: Type-J probes are available
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Technical Details

- Description: Standard. Sper Scientific No.Cat. No.: 800073.
- Unit: Each
- Standard
- This product may be an accessory for Type-K Thermocouple Probes, Sper Scientific and may differ from the image shown. If you have any concerns, please contact us prior to placing your order.
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Friday, February 12, 2010

Digital Timer - Countdown, Count Up by Sper Scientific - 810024R

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Numeric keypad allows for fast programming. Counts up or down for 99 minutes in intervals of 1 second with an alarm. Has a built in stand, pocket clip, and magnet. Button cell battery included.

5 YEAR WARRANTY.
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Technical Details

- Range: 99 Min l Count Up Channel: 1, Count Down Channel: 1
- Resolution: 1 Sec
- Dimensions: 2-1/2 x 2-5/8 x 6/8"
- 5 Year Warranty
- 99 Minute
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Wednesday, February 10, 2010

Relative Humidity (Rh) Anemometer Barometer Pen By Sper Scientific

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Measure multiple environmental parameters with a single self-contained pen-style anemometer. Ideal for field studies and HVAC. Measures wind speed in four units of measure, temperature in ºC & ºF, humidity, dew point and also measures barometric pressure in three units of measure. This pen anemometer will display two parameters simultaneously and indicate when batteries are low. Also features hold, min-max and auto power off. Comes ready to use with four AAA batteries and a soft carrying case with belt loop. Weight: 6.5oz (182g) with batteries. Dim: 7¾" x ¾" (205 x 48mm).
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Technical Details

- Airspeed knots: 0.8 ~ 58
- Temper ºF: 32 ~ 122º
- RH: 10 ~ 95%
- Dew Point ºF: -14 ~ 120º
- Barometric Pressure: 10~1100 hPa
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Tuesday, February 9, 2010

Radiation Detector By Sper Scientific

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Small and light enough to go anywhere, yet sensitive enough to detect minuscule amounts of gamma, beta or X-rays. Excellent for scanning lab work areas and clothing for traces of radioactivity after clean-up, or as a personal monitor in areas of potential radiation exposure. Useful in school labs for geology and science projects. One-button operation, can be used by untrained personnel. Uses a Geiger-Mueller tube detector. The Meterregisters 0~10mR/hour (milli-Roentgen) and 0~100 uSv/hour (microsieverts) on a dual scale. Audible clicking will increase with the amount of background radiation. Beeping begins at 20mR/hr, increasing in frequency in proportion to the radiation level. Powered by a 9-Volt battery, included, which lasts 50 hours at normal background levels. Note: Radiation Meter 840026 features a broader dual scale: 0~100mR/hour and 0~1000uSv/hour.

5 YEAR WARRANTY
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Technical Details

- Calibration Radiation: Gamma - Cesium 137 1 mR/hr = 10 µS/hr
- Range: 0 to 10mR/hr
- Typical Accuracy: ±20%
- Max/Min Detection Energy: 30 KeV to 1.5 MeV
- 5 YR Warranty
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Customer Buzz
 "too expensive for what you get" 2010-01-23
By Mark Crispin (Bainbridge Island, WA USA)
This is essentially the same unit as the RDX Nuclear DX-1 which you can get elsewhere for about $150. It is a fine $150 Geiger counter, but a horribly overpriced $300 Geiger counter.



For that kind of money you're much better off getting an International Medcom CRM-100 (a far superior model) for $275.

Customer Buzz
 "Simple, easy to use, and surprisingly sensitive" 2008-10-14
By K. D. Schon (In Transit)
I am a collector and dealer in crystals and minerals and use this meter to check for general levels of radiation - it is surprisingly sensitive for it's size and price, and very well-built - much more so than others in this price range. If you just need a good, high-quality detector for general use and are not in need of scientific measurements, this is a good choice. When purchased new, mine came with a sample of uranium ore to verify the functionality.


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Sper Scientific pH Meter - Advanced - 850055

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Reads either pH (in 0.01 resolution) or mV in large digits, with time, date, and temperature (in ºC or ºF) shown simultaneously on the lower display. Also indicates stable reading, low battery and displays calibration data. Scroll 99 data points with time stamps and min/max readings directly on the backlit LCD. Features hold, up to 5 point calibration, automatic buffer recognition, manual or automatic temperature compensation and USB. Comes with 4 AAA batteries. Will accept any pH probe or ORP probe (PROBES SOLD SEPARATELY) with a BNC connector. Weight: 14oz (397g).
Dim: 6¾ x 2¾ x 1¼ (170 x 70 x 33mm).
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Technical Details

- pH Range: pH: 0 ~ 14 l Resolution: 0.01 l Accuracy: ±0.02 pH
- Range: mV: -499 ~ 499 l Res. ±0.1mV (-199.9 ~ 199.9 mV)
- Range: ORP: -199.9 ~ 199.9 l Res. ±0.1mV (-199.9 ~ 199.9 mV)
- Temperature ºF: 23 ~ 176 ºF l Re. 0.1° l Accuracy: ± 2 ºF
- Temperature ºC: -5 ~ 80 ºC l Resolution 0.1° l Accuracy ± 2 ºF
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Monday, February 8, 2010

Remote Alarm RH / Temperature Monitor by Sper Scientific

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The remote ambient temperature / relative humidity sensor is mounted on a cord over 7' long. Place the highly accurate sensor inside a desiccator, refrigerator, drying or other environmental chamber and view displays of temperature or RH together with their min-max readings on the monitor outside. Select ºC or ºF and minimum and maximum temperature and RH alarms. When these parameters are exceeded an audible alarm sounds. Stands or wall mounts. Takes 1 AAA Battery. Dim: 4 1/8" X 2 ¾" X 6/8" (105 X 70 X 20 mm). Weight: 3 oz (85 g).
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Technical Details

- Select ºC or ºF
- Min and Max Temperature Alarm
- Relative Humidity Alarm
- Stands or wall mounts.
- CE Certified
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Customer Buzz
 "Not bad, limited range" 2008-12-22
By Ken Kressin (Cannon Falls, MN USA)
Not a bad product. The upper temp range is limited to 158F which was lower than I really wanted, so I had to position the sensor so the temperature was within range. These specifications were not documented here. The documentation shipped with the product is in broken english, but workable. The manual as well as user interface implies you can set either a low or high alarm, but it appears you must set both or the alarm sounds. Thus, after a bit of frustration, I was able to get this product doing what I needed. I am using it to warn me if my outdoor wood boiler runs out of wood or stops making heat for any other reason. I taped the sensor on the return pipe in the basement, and mounted the box above a light switch. I like that it has a replacable battery and that the cord is long enough - around 5ft.


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Type-k Thermocouple Probes Insertion Penetration Probes, Sper Scientific

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Type-K Thermocouple Probes Insertion Penetration Probes, Sper Scientific : Type-K thermocouple probes for use with Type-K thermometers in 14003-070 series. Ambient probes provide fast response in air or gas. Choose the beaded wire ambient probe to sample hard-to-reach areas. Ordering Information: Type-J probes are available
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Technical Details

- Description: Insertion. Sper Scientific No.Cat. No.: 800065.
- Unit: Each
- Insertion
- This product may be an accessory for Type-K Thermocouple Probes, Sper Scientific and may differ from the image shown. If you have any concerns, please contact us prior to placing your order.
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Saturday, February 6, 2010

Large Display Waterproof Ph Meter - Pen Style By Sper Scientific

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Highly stable and accurate readings with large LCD display. Designed for simple one-hand operation. Automatically calibrates to pH 4, 7, 10 buffers and can be adjusted to recognize non-standard buffers as well. Features hold function, and auto power off with low battery indicator. The case is IP65 water proof, and will float if accidentally dropped into the water. Comes with 4 button-cell batteries and a built-in electrode kept moist with a protective cap. Dim: 6 ½ x 1 ½ x 1" (165 x 35 x 32mm). Weight: 2 ½oz (68g).
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Technical Details

- Range: 2~12
- Resolution: 0.1
- Accuracy: ±0.3 pH
- IP-65 water proof
- 1 YR Warranty
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Customer Buzz
 "Doesnt work that good" 2009-12-10
By Rustin C. Wilson (LA)
Mine shows low batts all the time, even with brand new batts. Reading bounces all over the scale!


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Friday, February 5, 2010

Large-Scale Scientific Computing: 5th International Conference, LSSC 2005, Sozopol, Bulgaria, June 6-10, 2005, Revised Papers (Lecture Notes in Computer ... Computer Science and General Issues)

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This book constitutes the thoroughly refereed post-proceedings of the 5th International Conference on Large-Scale Scientific Computations, LSSC 2005, held in Sozopol, Bulgaria in June 2005.

The 75 revised full papers presented together with 5 invited papers were carefully reviewed and selected for inclusion in the book. The papers are organized in topical sections on advances in computational mechanics and multi physics, robust algebraic multigrid and hierarchical preconditioning methods, monte carlo: tools, applications, distributed computing, control systems, uncertain systems, operator splitting, their application and realization, distributed numerical methods and algorithms for grid computing, environmental modelling, large scale computation of engineering problems, and numerical methods for the Schrödinger equation and application.


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Wednesday, February 3, 2010

Digital Programmable On Off Timer by Sper Scientific

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Ruggedly designed for prolonged use as both a bench-top count-up timer and a stopclock. Non-skid feet keep the unit firmly in place during usage, yet it is small and light enough to be easily moved around the lab as needed. A large LCD and buttons make it easy to operate. Counts-up to 10 hours with 1/100th second resolution in selectable cumulative or interval split modes. Comes complete with one AA battery and two leads for connection to an external trigger such as a photo gate
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Technical Details

- Non-skid feet
- Large LCD
- Counts-up to 10 hours
- AA battery included
- Two leads included
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Sper Scientific Alarm Thermometer / Hygrometer Red - 800041R

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This alarm thermometer / hygrometer allows the user to set min/max temperature and humidity alarms. When the temperature or humidity exceeds the preset parameters, an audible alarm will sound. Simultaneous display of ambient humidity or temperature with both min/max readings. User selectable °C or °F. Useful wherever monitoring of humidity and temperature is critical as in pharmaceutical and semiconductors clean rooms, warehouses, museums, workplaces, environmental cabinets, greenhouses, and ripening rooms. Stands or wall mounts and comes with 1 AAA battery.

5 YEAR WARRANTY.
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Technical Details

- Temp Range: -20~70°C, -4~158°F l Humidity Range: 20~99%
- Resolution: 0.1°C or F l Humidity: 1%
- Accuracy: ±2°from -4~122°F, ±3°above 122°F, ±1°C from -20~50°C, ±1.5° above 50°C
- Humidity Accuracy: at 77°F (25°C) ±6%RH from 30~60%RH
- Humidity Accuracy: ±8%RH above 60% RH or below 30%
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Tuesday, February 2, 2010

Sound Meter With Certificate - Digital Sound Meter, Sper Scientific - Model 57800-258 - Each

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Sound Meter with Certificate - Digital Sound Meter, Sper Scientific - Model 57800-258 - Each : Ideal for testing for OSHA requirements. Offers a wide variety of measuring options including A and C decibel frequency weighting scales, fast or slow response, AC or DC output and peak function. Large display has a resolution of 0.1dB and indicates low b
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Technical Details

- Unit: Each
- Sound Meter with Certificate
- This product may be an accessory for Digital Sound Meter, Sper Scientific and may differ from the image shown. If you have any concerns, please contact us prior to placing your order.
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Monday, February 1, 2010

Standard Digital Multimeter with Rubber Holster by Sper Scientific

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All the multimeter functions required for standard applications and more, at a terrific price. Comes with a protective rubber holster featuring a tripod back that also attaches to a belt. The holster has a clip which holds the test lead in place while at work and covers the tip for safety while traveling. Operates on a single 9V battery, included. Special features: 1999 count display, Continuity, Hold, Square wave output, 3999 count display, Auto Ranging (DCV, ACV, resistance), Sleep mode, Time display, AC Current, Transistor
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Technical Details

- DC Voltage: 200mV/200mV/20V/200V/500V
- AC Voltage: 200V/500V
- DC Current: 200µA/20mA/200mA/10A
- Resistance: 200/2000/20K/200K/20M
- 1999 count display
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