Home > Products > PH/ORP meter/transmitter > 4~20mA/RS485 cheap aquarium ph meter manufacturers in China with relays alarm
4~20mA/RS485 cheap aquarium ph meter manufacturers in China with relays alarm
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Product Details
Place of Origin: | Shandong, China | Brand Name: | Dongrun ph meter manufacturers in China | Model Number: | PHS-8B ph meter manufacturers in China |
Packaging Details
ph meter manufacturers in China: one piece in a carton
Product Description
4~20mA/RS485 cheap aquarium ph meter manufacturers in China with relays alarm
Company Introduction
Yantai dongrun Instrument Co., Ltd. was founded in 1998, specializes in manufacturing online water quality analysis equipment, material level meters, pressure gauges, flow meters, special temperature gauges and laboratory analysis equipment. Our company cooperate with the Chinese Academy of Sciences to build a water analysis laboratory, and the main products are TOC analyzer, ammonia analyzer, fluorescence oxygen analyzer, etc. We have passed the ISO9001 certification and has a professional R & D team, providing technical support to meet customer demand, particularly in the anti-corrosion, our company has a unique technology to meet different conditions of corrosion requiremes
Product Introduction
PHS-8B intelligent industrial PH transmitter is the intelligent industrial online analytical instrument. It can be connected to the high-impedance analog signal pH ORP electrode of many companies at home and abroad. It can be used to detect the pH, ORP value of the solution in chemical, petroleum, rubber, paper, tobacco, alcohol, sugar, food, mining, smelting, iron and steel, power generation, pharmaceuticals, water treatment and other industries.
Feature
16 bit high accuracy AD and low power microprocessor technology
Multi-level password protection, reliable and safe measurement data
Automatically identify and calibrate the PH standard solution. Automatic temperature compensation
High-resolution graphic LCD which can display the PH (mV) value, temperature, date, electrode slope, zero position, output current, etc. simultaneously.
Two analog (pH/mV and temperature) isolated output and digital signal output (RS485/ standard MODBUS protocol) can be chosen.
4-way alarm relay and 1-way cleaning control relay output
Isolated power supply is adopted to measure and output. Strong anti-interference ability.
Intelligent paperless record and power-off protection can record and inquire the operation of a month~a year and set data.
Technical Parameter
Measurement range | pH 0~14 ORP-1999~+1999mV |
Instrument stability | ±0.05pH(±2mV)/48 hour |
Measurement error | ±0.05pH(±2mV) |
Instrument resolution | ±0.01pH(1mV) |
Input impedance | >3×1012Ω |
Output signal | 4~20mA.DC or RS485(MODBUS) |
Input signal | high impedance millivolt signal |
Output load resistance | 4~20mA.DC, 0~500Ω |
Alarm setting range | 0~14pH( can be set) |
Alarm setting hysteresis width | full scale hysteresis setting |
Alarm output contact capacity | 250VDC, 3A |
Temperature measurement range | -10~150 |
Operating ambient temperature | -10~55 |
Power supply | 220V. AC ±10%, 50Hz, 15W |
Temperature compensating range | -10~100C |
Temperature compensating error | <0.005PH/C |
Protection grade | IP65 |
Dimension | 210(width)×185(height)×105(thickness) |
Company and trade show
Certificate
Package&shipping:
Company Profile
Yantai Dongrun Instrument Co., Ltd. is a manufacturer of instruments and meters with well-equipped testing equipment and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in water treatment, biopharmaceutical industry and other industries.
Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs.
We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
Contact Us
- Shandong Dongrun Instrument Science And Technology Co., Ltd.
- Contact nameDongrun Service Chat Now
- Phone86-0535-3971626
- AddressNo.1 Xiulin Road Yantai,Shandong
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