Water purity meter TDS HD-139

Total dissolved solids (TDS) meter in water. Suitable for measuring water quality eg in aquariums. Practical small meter with one-point calibration.
 
Technical parameters:
 
- Measuring range 0 - 1999 ppm (mg / l)
- Resolution: 1 ppm
- Measurement accuracy: ± 2%
- Operating conditions: 0 - 50 ° C
- Power supply: 2x3V CR2032 button-type lithium battery (included)
- Dimensions (W x H x D): 27 x 150 x 20 mm
- Weight: 50 g
 
Package content: TDS meter, 2x3V battery, screwdriver for calibration, instructions