ACR Systems

TRH Temperature & Relative Humidity Data Logger

Economical dual-channel temperature and relative humidity data logger with five (5) year battery life

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TRH Temperature Relative Humidity Data Logger 00312
TRH 1000 2

The TRH-1000 is a low-cost, easy-to-use temperature and relative humidity data logger. With its precision calibrated internal temperature and relative humidity sensor, simply place the logger in the field and leave it to record. Once the desired information has been recorded, plug the logger into your computer and begin downloading and viewing the logged data with ACR’s simple TrendReader® 2 Express Software or feature filled TrendReader® 2 Software. The TRH-1000 is the ideal data logger for quick and accurate temperature and humidity measurements in a variety of applications.

• Easy to use
• High memory capacity
Size25.4 mm x 58.4 mm x 81.3 mm (1 in x 2.3 in x 3.2 in)
Weight74 g (2.6 oz)
Case MaterialCycoloy® (GE Plastics) C120 ABS + Polycarbonate
Operating Limits-40°C - 70°C (-40°F to 158°F)
Clock Accuracy± 2 s/day
Battery3.6 V Lithium, 1 Amp-Hour
Battery Life5 yrs under normal use (factory replaceable)
Memory Size64 kB (32,676 readings per channel)
Sampling MethodsFirst-in First-out, Stop When Full, Delay Start, or Spot & Average
Sampling IntervalsUser selectable from 8 s - 34 min; readings stored to memory can be spot or averaged over the sample interval (except for the 8 s interval)
Resolution8 bit (1 part in 256)
PC RequirementsWindows PC with a least 256 MB RAM, 250 MB of hard drive space and one free serial or USB port depending on interface
Software RequirementsTrendReader® 2 Express or TrendReader® 2 (Compatible with Windows XP, Windows Vista, Windows 7, Windows 8 & Windows 10)
Temperature Sensor TypeCMOSens® (by Sensiron)
Temperature Sensor Range-40°C - 70°C (-40°F - 158°F)
Temperature Sensor Accuracy± 0.6°C @ 25°C (± 1.0°F @ 77°F); ± 2.0°C from -40°C - 70°C (± 3.6°F from -40°F - 158°F)
RH Sensor TypeCMOSens® (by Sensiron)
RH Sensor Range0% - 100% RH, Non-condensing
RH Sensor Accuracy± 4% RH between 20% and 80% RH; otherwise ± 5%
• Hydroponic grow operations
• HVAC system testing & balancing
• Pharmaceutical and Lab storage monitoring
• Building comfort monitoring

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