Related Manuals for Digi-Sense 20250-11
Summary of Contents for Digi-Sense 20250-11
- Page 1 User Manual Thermohygrometer with NIST-Traceable Calibration Model 20250-11 THE STANDARD IN PRECISION MEASUREMENT 1.800.561.8187 GlobalTestSupply information@itm.co www. www. .com .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 2 Introduction The Digi-Sense Thermohygrometer (Model 20250-11) offers fast response and high accuracy. This device measures humidity (relative and absolute), temperature, plus it calculates dew point and wet bulb. Advanced features include data Hold, Min/Max readings, and automatic power-off. The instrument is fully tested and calibrated to NIST-traceable standards.
-
Page 3: Meter Description
Meter Description 1. Humidity/temperature sensor 2. LCD Power on/off button 4. MODE button Backlight button 6. °C/°F button 7. HOLD button 8. MIN/MAX button GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 4: Display Layout
Display Layout 1. Relative humidity unit 2. Absolute humidity unit (grams per cubic meters) 3. Absolute humidity (grains per cubic feet) 4. Humidity displayed reading 5. °C temperature unit 6. °F temperature unit 7. Dew point icon 8. Wet bulb icon 9. -
Page 5: Setup And Operation
Setup and Operation Power Press the Power on/off button to turn unit on. Taking Measurements 1. Hold the probe in the area to be tested. 2. Allow adequate time for readings to stabilize. 3. Press the MODE button to toggle between humidity measuring units (shown on top display): %RH, GPP, g/kg, g/m... - Page 6 Setup and Operation (continued) Dew Point Measurements 1. To select the Dew Point measurement, press the °C/°F button until the DP (°C) or DP (°F) icon appears in the lower right. 2. Dew Point temperature is now shown in lower display. Wet Bulb Measurements 1.
- Page 7 Setup and Operation (continued) Viewing the Min and Max Readings The MIN/MAX mode allows the user to view only the lowest (MIN) or highest (MAX) reading. 1. Press MIN/MAX button once and the MIN icon appears on bottom of screen. The LCD is now displaying the minimum reading of the selected parameter in the display.
- Page 8 Setup and Operation (continued) LCD Backlight Press Backlight button to turn on the backlight. Press again to turn off the backlight. Automatic Power-Off To conserve battery life, the meter automatically turns off after 10 minutes (indicated by the icon on the screen). To disable this feature: 1.
-
Page 9: Specifications
Specifications Range Humidity 0 to 100% RH Absolute humidity 0 to 500 g/m (calculated) 0 to 218.5 gr/ft Temperature –22 to 212°F (–30 to 100°C) Dew point (calculated) –22 to 212°F (–30 to 100°C) Wet bulb (calculated) 32 to 176°F (0 to 80°C) Resolution Humidity Temperature... - Page 10 Specifications (continued) Display Dual LCD Response time <15 sec (90% of final value in moving air) Sensors Humidity: precision capacitance; Temperature: thermistor Auto power-off Unit shuts off automatically after 10 minutes to preserve battery life Operating temperature 32 to 122°F (0 to 50°C) Operating humidity <80% RH, noncondensing Storage temperature...
- Page 11 Ensure that the compartment cover is securely fastened when finished. It is recommended that Digi-Sense products are cali- brated annually to ensure proper function and accurate measurements; however, your quality system or regula- tory body may require more frequent calibrations.
Need help?
Do you have a question about the 20250-11 and is the answer not in the manual?
Questions and answers