ZA-3500 Portable Dew Point Meter - Globeinstrument | Globeinstrument

ZA-3500 Portable Dew Point Meter

Portable Dew Point Meter (Micro Water)

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ZA-3500 takes high-performance dew point transmitter and integrates multiple up-to-date research achievement and proprietary technology in measurement of dew point. It has the function of SF6 moisture automatic conversion in standard condition and software upgrading. It is one of existing dew point measurement instruments with the most advanced technique and the most powerful function.
Non-toxic discharge device is optional to protect your working environment


  • Micro automatic conversion in standard condition (ppms accords with the latest national standard).
  • Self-calibrating of zero point and slope at starting up (proprietary technology).
  • Calibration of dew point with full-scale range by single-point method (proprietary technology).
  • Sensor drying protection device (proprietary technology).
  • Storage and printing of measurement data.
  • Intelligent prompting of electricity quantity, intelligent charging protection.
  • Lithium battery supply super-long standby.
  • SF6 gas non-toxic discharge device internal and print function (optional).


Measurement of dew point: -80~+20℃when the dew point temperature is lower than 0℃ .The output of sensor is frost point
Typical precision: better than ±1℃
Response time(Td): When the gas temperature is 20℃:

-60→-20℃   5s(63%), 10s(90%)

-20→-60℃   45s(63%),10min(90%)

Operation environment:
Temperature -10~+60℃
Relative humidity 0~100%RH(non condensation)
Pressure one barometric pressure
Parameters of complete appliance:
Working flow no influence
Power supply built-in lithium battery (7.2V 8000mAh), AC/DC
Using time >10 h
Digital output RS232C  USB2.0
Printing* 24 characters/row, stylus printer
Dimensions 273mm×257mm×143mm
Weight About5.6kg




  • Real-time curve display
  • Printing of measured data*
  • Storage of measured data
  • Micro water automatic conversion in standard condition (ppms accords with the latest national standard)
  • System time display
  • Display of electricity quantity
  • Setting of printing data*
  • Network communication
  • Chinese and English bilingual interface


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