Water Activity Meter

Water Activity Meter

  • Product Number:LD-SH01
  • Product Difference:Portable design, measures water activity within 5-10 minutes with an accuracy of ±0.015 aw

Product Introduction

Portable Water Activity Meter Operating on the ERH water activity testing principle, this device measures water activity by detecting the equilibrium state between the surface of a hydrated material and the surrounding ambient gas. It measures water activity within 5-10 minutes with an accuracy of ±0.015 aw. Featuring a built-in lithium battery, it is highly portable for quality control personnel to carry and use anytime, anywhere. Manufacturing facilities without dedicated laboratories can also utilize it for rapid testing.

Product Features

  • Compact and portable for easy carrying.

  • Fast measurement speed, typically requiring only 5-10 minutes for standard samples.

  • Access measurement history anytime.

  • Choose between two measurement modes: automatic or timed (1-120 minutes).

  • Features high-precision sensors imported from the USA for superior accuracy and stable performance.

  • Touchscreen operation with adjustable backlight brightness for intuitive human-machine interaction.

  • Multi-point calibration ensures enhanced measurement accuracy.

  • Includes time setting and factory reset functions.

Product parameters

Measurement Range0.030-1.000aw
Resolution±0.001aw
Accuracy±0.020aw
SensorHigh-precision imported sensor
Temperature resolution±0.1℃
Measurement TimeTypically 5-10 minutes for standard samples
Measurement ChamberUltra-quiet circulating measurement chamber
Measurement MethodAutomatic and Timed (National Standard Method)
CalibrationTwo-point calibration (NaCl standard salt solution and MgCl₂ standard salt solution)
Sample DishDedicated
Storage History500 entries
Time Setting & Factory Reset FunctionAvailable
Operating EnvironmentTemperature 0-50°C, Humidity 0-70% RH
Power Supply4×1.5V AA batteries (high-capacity)
Dimensions & Weight240×105×35mm, 600g
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