Apure PHK Industrial Digital Water pH Sensor. For acid / alkali / salt solution, chemical reaction process, industrial production process, to meet the majority of industrial applications on-line PH measurement of the harsh requirements.

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Signal output: RS485 (Modbus / RTU protocol).
Easy to connect to PLC, DCS, industrial control computer, general controller, paperless recording instrument or touch screen and other third partyequipment.
Dual high impedance differential amplifier, strong anti-interference, fastresponse.
Patented pH probe, the internal reference solution at least 100KPa (1Bar) pressure, very slowly from the porous salt bridge exudation, the positive osmosis for more than 20 months. Such a reference system is very stable, the electrode life than ordinary industrial electrodes multiply.
Easy to install: 3/4-inch NPT thread (pipe thread), easy to install in the pipeline and tank. The probe and display section can be separated and connected by acable.
IP68 degree of protection.

Product Name	Digital ph sensor
Brand	APURE
Measurement range	0～14pH
Temp	0-65°C
Pressure (MPa)	0-0.2
Output signal	RS485(MODBUS/RTU)
Accuracy	±0.1pH
Power Supply	12VDC~24VDC ±10%
Resolution	0.01pH
Cable length	5m, other length can be customized

Brand	Apure
Model	PHK
Measuring range	0~14.00pH；0~135℃
Resolution	0.01PH；0.1 ℃
Accuracy	0.01PH+1Digit；0.1℃ +1Digit
Electrode	0.05cm-1 sanitary grade electrode,1/2″ thread
Current output	Isolated protection 4-20mA signal output
Cable length	10m or others(5~30m)
Working conditions	temperature : 0~50°c; Humidity : ≤85%RH
Dimensions	96× 96 × 130mm
Cut off dimensions	92X92mm