Rika Sensor is a weather sensor manufacturer and environmental monitoring solution provider with 10+ years of industry experience.

RK500-12 Liquid PH Sensor Water Quality Monitoring Sensor 1

RK500-12 Liquid PH Sensor Water Quality Monitoring Sensor 2

RK500-12 Liquid PH Sensor Water Quality Monitoring Sensor 3

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RK500-12 Liquid PH Sensor Water Quality Monitoring Sensor

OEM/ODM:

Available

MOQ:

1 PCS

Model:

RK500-12

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RK500-12 PH Sensor specification v3

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PRODUCT DESCRIPTION

RKk500-12 liquid PH sensor is a good solution to measure the PH value. It does not require a professional calibration instrumentand is simple to operate. lt can be used to continuously measure the PH value of wastewater . The PH water sensor is suitable for agriculture,sewage treatment plants, chemical industry, printing and dyeing, papermaking, pharmaceuticals. , electroplating and environmental protection. This pH sensor for water quality monitoring ensures accurate readings for your water systems.

Real-Time Temperature Compensation

Accurate readings from 0-+80℃, ensuring reliable performance in dynamic environments;
Accurate pH measurements for various water types

IP68 Waterproof

Designed for long-lasting reliability in both fresh and saltwater environments

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High precision.

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High sensitivity.

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Fast response.

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Widely used.

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Excellent stability.

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Simple operation.

SPECIFICATIONS

Item	Technical Specification
Measurement Principle	Electrochemistry
Range	0-14PH
Supply	7-30VDC(power consumption<0.2W)
Accuracy	±0.05PH
Resolution	0.01PH
Temperature Compensation	Temperature compensation is optional
Response time	<8s(flowing liquid), <14s(stationary liquid)
Stability	≤0.01PH/24h
Output Signal	4-20mA & RS485 at the same time
Calibration Cycle	Every 6 month(General water ) Every 3 month or shorter(Seriously polluted water )
Operating Environment	0-+80℃(<0.6MPa), high pressure is customizable
Cable length	5m(default),customizable
Ingress Protection	IP68
Storage	10-60℃@20%-90%RH

PH SCALE
PH value	Description	PH value	Description
<4.5	Strongly acidity	7.5-8.5	Faintly alkalinity
4.5-5.5	Acidity	8.5-9.5	Alkalinity
5.5-6.5	Faintly acidity	>9.5	Strongly alkalinity
6.5-7.5	Neutral

DIMENSION

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Type A

Universal type ABS housing, Up and down are NPT3/4 threads

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Type C

Standard glass type Length=120mm

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Type B

Highly corrosion resistant PPS housing, Up and down are NPT3/4 threads

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Unit:mm

ELECTRODE MAINTENANCE & INSTALLATION AND FIXED

PH electrode is not used at ordinary times and can be soaked in 3mol/l KCL solution or saturated KCL solution. It is strictly prohibited to immerse the electrode in distilled water and deionize the water or tap water with minimal plasma content.If the PH electrode is contaminated with inorganic substances, it can be cleaned with 0.1mol/l Hcl or NaOH solution for a few minutes and then washed with distilled water. If the PH electrode is contaminated with organic substances, it can be cleaned with alcohol or acetone and then cleaned with distilled water.(note: the protective cap before the electrode should be removed when using);

Clean the electrode with tap water every 3 months or 6 months according to the working environment.

Mounting bracket(length=1m) is optional