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Analog PH Sensor ASP400

A Ph Sensor is an important tool for measuring the pH of water. It is capable of measuring alkalinity and acidity in water and other solutions. Correct use of pH electrodes ensures the quality of food or wastewater or industrial processes. In most cases, the standard pH range is between 0 and 14 pH. When a substance has a pH of 7, it is considered neutral. Substances with a pH greater than 7 indicate high alkalinity, and substances with a pH less than 7 are acidic. The ASP400 series of pH probes developed and produced by Daruifuno has an upgraded shell material based on the ASP300. The pH sensor is made of high-temperature-resistant and corrosion-resistant PPS material and is more suitable for monitoring the pH value of various types of sewage. The internal structure of the ASP400 sensor has also been improved, making it more stable, faster in response and longer in life when measuring pH. Temperature has an impact on pH value. ASP400 is divided into ASP400V without temperature sensor, ASP400N with NTC10K temperature sensor and ASP400T with built-in PT1000 temperature sensor. Users can choose the appropriate electrode according to their own needs. The cable length of the pH electrode can also be predetermined. The default is 5 meters and can be customized up to 60 meters.

Features:
The pH probe uses a low-impedance hemispherical glass membrane, which is high in strength and not easily broken.
Double salt bridge design, filled with large capacity KCl gel, long service life
Large area annular porous PTFE separator, fast penetration, fast response, not easy to block
Reinforced PPS shell packaging, resistant to high temperature and corrosion, suitable for all types of sewage
There are 1-inch NPT mounting threads at the beginning and end for easy installation.
Optional protective cover with cleaning interface can be connected to the air pump to achieve automatic underwater cleaning.

Specification
Measuring Range pH:0~14pH ORP:-2000~2000mV Temp.:-10~150℃
Resolution pH:0.01pH ORP:1mV Temp.:0.1℃
Temp. Compensation automatic (PT1000/NTC10K) or manual
Accuracy 0.1% FS or pH: ± 0.02pH, ORP: ±2mV, take the larger one
Display Screen 3.2 inch LCD screen
System Language English
Calibration Method pH: 3 points; ORP: 2 ponits
Password Six-digit passcode setting
Relay Output 2 SPST relays,max. load 3A/250VAC
Current Output 0/4~20mA
Protection Grade IP66
Working Temperature 0~60°C
Storage Temperature 20~70°C
Dimension 100*100*120mm
Material Enhanced ABS
Power Supply AC:100~240VAC, 50~60Hz;DC:18~36VDC
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