Water Quality Testing Pen

Product information:
Type: Portable water quality analyzer
Measurement range: 0-9990ppm
Power supply voltage: 3V
Resolution: 1PPM
Specifications: White leather case packaging, yellow leather case packaging, white PP box packaging, yellow

Accuracy: ± 2%
Range: 1~9990ppm
Voltage: 3V
Accuracy: 1ppm
Weight: 57g
Size: 30 * 15 * 155mm

Packaging list:
Test pen+ Leather case+instruction manual* 1