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Digital HygrothermographTH-4000

  • Temp. & Humidity Indicator
  • Sensor included
特徴Thermohygrometer with its measuring range of 10% to 95% RH and 0°C to 80°C.
Real-time measurement possible with Software U801.
Auto power off/ Data Hold/ Max. & Min. Record.


ZTC-9021AC/DC Adapter


General Specifications

Sensor TypeHumidity : High Precision Thin Film
Capacitance Sensor
Temp. : Thermistor
Sampling TimeApprox. 0.8 Second.
Measuring UnitHumidity : %RH
Temp. / Dew Point : °C
FunctionData Hold, Max/Min,
Auto Power Off
DisplayLCD : 44mm x 28mm
Digit Size : Main 14mm, Sub 7mm
Data OutputRS-232 PCSerial interface
Power Supply006P (DC9V) battery x 1pcs.
Battery LifeApprox. 104Hours.
Power ConsumptionApprox. 4.6mA
Ambient Temp. : Operating
(Should not be frozen)
0 – 50 °C (Main Unit) 0 – 80 °C (Probe)
Ambient Humid. : Operating
80%RH max. (Main Unit) 95% RH max. (Probe)
DimensionsMain Unit:135(H) x 60(W) x 33(D)mm
Probe : Փ26mmx200mm (Head : Փ15mm)
Cable Length:Approx. 1m
WeightApprox. 264g (including batteries, Probe)
AccessoriesInstruction Manual, Probe x 1pcs. 006P battery x 1pcs.
ComplianceCE, RoHS


FunctionMeasuring rangeResolutionAccuracy
Humidity10 – 95%RH0.01%RH≧70%RH ±
(3%reading +1)
<70%RH ±3%RH
Temperature0 – +80°C0.01°C±0.8°C
Dew Point-25.3 – +48.9°C0.01°C

*Dew Point value is calculated from the humidity/temp. measurement.
The accurancy is depended on those of temperature and humidity measurement.
*Temperature Conditions : 23±5°C environment testing.

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