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manufacturer of measuring instruments
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Thermo-hygrometer for compressed air measurement, cable 4 meters

code: D3121P-4

Thermometer, hygrometer is designed for measurement and datalogging of temperature, relative humidity for compressed air up to 25 bars with 4 meters cable into the internal non-volatile memory.


Free PC program enables to transfer recorded data to the computer for evaluation. LCD backlight.

Data logger is connected to the PC through USB cable only for data trasfer from the memory. During connection with the PC no measurement and record is enabled.

Simultaneous reading of temperature and relative humidity, dew point temperature reading selectable, external temperature-humidity probe with 4 meters cable. Probe diameter is 18mm, length 135mm.

Included in delivery:

  • Traceable calibration certificate
  • 9V battery
  • Instruction manual
  • Plastic transport case
  • Connector for external ac/dc adapter
  • mini USB cable
  • Self adhesive Dual Lock for easy installation
  • FREE analytical software COMET Vision

Technical data

Value
Measured value Temperature
Relative humidity
TEMPERATURE SENSOR
Measuring range -30 to +105 °C
Accuracy ±0.4 °C
Resolution 0.1 °C
HUMIDITY SENSOR
Measuring range 0 to 100 % RH
Accuracy ±2.5 % RH from 5 to 95 % at 23 °C
Resolution 0.1% RH
DEW POINT
Measuring range -60 to +80 °C
Accuracy ±1.5 °C at ambient temperature T <25 °C and RH >30 %
Resolution 0.1 °C
GENERAL TECHNICAL DATA
Operating temperature electronics -10 to +60 °C, external probe -30 to +105 °C
Channels 1x connectable temperature+humidity probe
Acoustic signalization + backlit LCD YES
Memory 16,000 values (non-cyclic record)
Recording interval adjustable from 10 s to 24 h
Measuring interval and display reading refresh 0.7 to 5 s
Recording mode noncyclic - data logging stops after filling the memory
cyclic - after filling memory oldest data is overwritten by new
Real time clock year, leap year, month, day, hour, minute, second
Power battery 9 V or 12 Vss adaptor with NiMH 9 V battery
Battery life approx. 6 months
Protection class IP20 electronics, IP40 sensors
Dimensions (without connectors) 191 x 71 x 27 mm; length/diameter of external probe 135/18 mm
External probe cable length 4 meters
Weight (including batteries) approx. 150 g
Warranty 3 years