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Supco DSP1000 Digital Psychrometer with Dew Point and Wet Bulb, -22 to 212 Degree F, +/- 0.9 Degree F Accuracy

4.3 out of 5 stars 7 customer reviews

Was: $110.92
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Specifications for this item
Brand Name Supco
Part Number DSP1000
UPC 687152191918
EAN 0687152191918
Item Depth 1-21/64 inches
Item Weight 7.04 ounces
Number of Items 1
Overall Height 8-55/64  inches
Overall Width 1-49/64  inches
UNSPSC Code 41111900


Frequently Bought Together

  • Supco DSP1000 Digital Psychrometer with Dew Point and Wet Bulb, -22 to 212 Degree F, +/- 0.9 Degree F Accuracy
  • +
  • SuperCool Slide Rule
Total price: $117.09
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Product Features

  • Fast response time
  • High accuracy
  • Micro Processor based design
  • Dual display temperature and humidity
  • Measures 1-49/64" width by 8-55/64" height by 1-21/64" depth; 1 year warranty

Product Description

The DSP1000 provides fast, accurate measurements for analysis of critical environmental conditions. Temperature, Humidity. Wet Bulb Temperature, Dewpoint Temperature, Fast Response, Dual Display, Max Hold, Data Hold Function, No Twirling, No Reading Charts, No Water Necessary. Auto Power Off (Disable Sleep Mode). Backlight, Measures 1.77" width by 8-55/64" height by 1-49/64" depth; 1 year warranty. Applications: Cellophane, Chemical, Laboratory, Pharmaceuticals, Textile, Paper, Photographic, Printing, Snowmaking, Tobacco, Indoor Air Quality, Wine Storage, Floral, Meat. Humidity Range: 0-100 percent RH (Non-Condensing). Temperature Range: -22 degree F to 212 degree F (-30 degree C to 100 degree C). Dewpoint Temperature Range: -22 degree F to 212 degree F (-30 degree C to 100 degree C). Wet Bulb Temperature Range: 32 degree F to 176 degree F (0 degree C to 80 degree C). Humidity Accuracy: +/-2 percent RH (20 percent RH to 80 percent RH), +/-2.5 percent RH (all other ranges). Temperature Accuracy: +/-0.9 degree F/+/-0.5 degree C (at 77 degree F/25 degree C), +/-1.5 degree F/+/-0.8 degree C (all other ranges). Resolution: 0.01 percent RH, 0.01 degree F/0.01 degree C. Response Time: 10s (90 percent at +77 degree F (+25 degree C) still air). Battery Type: 9V Battery NEDA 1604, IEC 6F22 (included). Operation Temperature: 32 degree F to 104 degree F/0 degree C to 40 degree C (<80 percentRH). Storage Temperature: 14 degree F to 140 degree F/-10 degree C to 60 degree C (<70 percent RH). Weight: 7.05oz (200g).

Product Details

  • Item Weight: 7 ounces
  • Shipping Weight: 10.4 ounces (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B004OMAM30
  • Item model number: DSP1000
  • Average Customer Review: 4.3 out of 5 stars  See all reviews (7 customer reviews)
  • Amazon Best Sellers Rank: #33,292 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
This Psychrometer is very accurate as claimed. I compared the DSP1000 to 2 other units I have for HVAC diagnostics and they are calibrated and accurate to within 1.5 degrees. A negative is the 9 volt battery, which has low milliamp (mAh) hour and is more expensive to replace than AA's. However, considering it has a large easy to read display and is backlit, the higher voltage is necessary and keeps the unit compact.
One thing to keep in mind: This unit draws power even when it is off. The microprocessor needs some power when idle so it knows when the soft power button is pressed. There is a parasitic draw that takes its toll on the low capacity 9 volt batteries.
I tested the current draw with my Fluke 287 and found the unit uses 48 microamps (uA )when turned off. This doesn't sound like much, but it drained a new battery completely over winter storage. You will want to remove the battery if unused for extended periods.
The large display on top always shows the relative humidity (RH) while the lower display toggles between wet bulb, dry bulb and dew point in either Fahrenheit or Celsius. Made in China for Supco.
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Verified Purchase
My piano tuner introduced me to this psychrometer (which is a type of hygrometer). It is excellent and gives accurate readings. It is much better than those hygrometers that work on other principles (e.g., the hair hygrometer).
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Verified Purchase
We are currently using it to calculate superheat for residential HVAC. It's been working great. It's easy to read and very accurate. It does feel delicate though, so always keep it in the case.
Please note the lighted display is very high quality. It's bright, not like the usual cheap LCD display backlight.
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Verified Purchase
I am not sure on How accurate it is made in Taiwan you can get the same one that doesn't say supco for half the price I think supco just puts there name and charges double the price
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