General Tools and Instruments PWM301 - Manual (Page 4)

* Build in temperature sensor, ATC ( auto temperature
compensation ).
* IP67, water proof and protection.
* Data hold function for freezing the desired value.
* Auto power off to save the battery life.
* Records max. and min. value with recall.
* Microcomputer circuit, intelligent function, high accuracy.
* Compact size, light weight.
* Power supply by DC 1.5 V battery ( UM4/AAA ) x 4 PCs,
2. SPECIFICATIONS
Display LCD, size : 20 mm x 28 mm.
Measurement 0 to 1999 uS. * uS - micro simens cm.
Resolution 1 uS.
Accuracy ± ( 3 % + 1 d ) F.S.
* F.S. : full scale.
* 23 ± 5
℃
Temperature Automatic, 0 to 50 ( 32 to 122 ).
℃ ℉
Compensation
Probe Carbon rod electrode for long life.
Structure
Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value.
Sampling Approx. 0.8 second.
Time
Circuit Custom one-chip of microprocessor LSI
circuit.
Power off Auto shut off saves battery life or
manual off by push button.
* Power will off automatically after
10 min., if no button be pressed.
2