PHB-3 pH meterDetailed product description：

Economical pH testing pen that meets conventional usage requirements and offers the highest cost-effectiveness.
Automatic calibration, no temperature compensation, waterproof.
Low voltage alarm display.
Automatically shut down within 10 minutes.
The electrode can be replaced and a calibration solution can be configured.
IP57 waterproof rating.

pH	measurement range	0~14.0 pH
	resolution	0.1 pH
	accuracy	± 0.1pH ± 1 word
	temperature compensation	Nothing
Other technical parameters	auto-correction	1-point calibration (7.00 pH)
	Power supply	2 AAA batteries, 1.5V × 2; Can be used continuously for more than 100 hours.
	Dimensions and Weight	39×25×176 mm/95g
	waterproof rating	IP57

1. PHB-3 pen pH meter, 1 unit
2. One bottle of pH correction buffer solution (pH7.00/10ml)
3. Two AAA batteries
4. Instruction manual

PH composite electrode 201-G plastic shell pH composite electrode specially designed pH electrode, compatible with PHB-3 pH meter, can be replaced by oneself, special plug.
PH correction buffer solution pH 7.00 correction buffer solution 500mL/250mL/50mL (bottle)