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Extech EA25 EasyView Hygro-Thermometer and Datalogger with NIST
Item #:
EXT-EA25-NIST
Brand:
Extech
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EA25 EasyView Hygro-Thermometer and Datalogger with NIST by Extech
Features
- Datalogs up to 15,000 records plus automatic timer function
- Built-in RS-232 PC serial interface comes complete with Windows® 95/98/NT/2000/ME/XP compatible software and optically isolated RS-232 cable
- Compact and rugged design features large display and bargraph
- Display any two parameters (Temperature and Humidity or Dew Point, or Wet Bulb) simultaneously
- Min/Max function stores & recalls highest and lowest readings
- Timer function displays the elapsed time (mins : secs and day : hour) to the minimum and maximum readings
- Programmable auto power off time frame
- Remote capacitance sensor with 39" (1m) coiled cable
- Switchable °C/°F temperature units
- Data Hold function freezes reading on display
- Auto power off to save battery life
- Low battery and overrange indication
- Complete with built-in stand, protective holster, probe and 6 AAA batteries
Applications
- Monitor Relative Humidity and Temperature in factories, clean rooms, offices, and greenhouses
- Produce reports of overnight or long term humidity and temperature fluctuations
Display | Multifunction LCD with bargraph and status indicators |
Sensor Type | Humidity: capacitance sensor; Temperature: thermistor |
Response Time | Humidity: 45% to 95% < 1 min; 95% to 45% < 3 min. Temperature: Approx. 2 seconds for a 10°C change |
Reading Rate | 2 readings per second |
RS-232 PC Interface | Optical connection with supplied interface cable. Software compatible with Windows™ XP, Vista and Windows 7 systems |
Datalogger storage | Stores 99 sets of data in manual mode (15,000 in auto mode) |
Sampling Intervals | 3 to 255 seconds (1 to 86,400 sec. using supplied software) |
Operating Conditions | 32 to 140°F (0 to 60°C); < 95% RH non-condensing |
Storage Conditions | 14 to 140°F (-10 to 60°C); <70% RH non-condensing |
Power Supply | 6 x 1.5V 'AAA' batteries |
Auto power off | After 30 minutes of inactivity |
Battery Life | Approx. 200 hours |
Dimensions / Weight | 5.9 x 2.8 x 1.4" (150 x 72 x 35mm); 8.3 oz. (235g) |
Function |
Range and Resolution |
Accuracy |
Humidity |
10.0 to 95.0% RH |
±3% RH (at 25°C, 30 to 95% RH ) ±5% RH (at 25°C, 10 to 30% RH ) |
Temperature |
-4 to 140°F (‐20 to 60°C) |
±1.8°F (±1°C) |