pH/ORP Controller is an accurate secondary instrument with LCD digital display. it is applicable to determine pH value solution. The instrument is suitable for online monitoring of pH/ORP in departments of petroleum, chemical, medicine-produce, water treatment, ETP, WWTP, Electroplating, Environmental monitoring, etc.. . It’s strong anti-interference and simple maintenance.

• Measurement range: pH: 0.00 ~ 14.00pH,
• mV: -1000mV~+1000mV
• Display information: pH / ORP (mV)
• Output: 4~20mA output, max load 1k
• Temperature compensation: Automatic.
• Transmission signal: 4 to 20mA isolated output.
• Control action: ON/OFF max 220VAC/max3A/max600VA
• Calibration: 2 points
• Environment: 0-60℃
• pH ORP Accuracy: 0.1pH, 1mV
• Temperature accuracy: 0.1℃
• Dimension: 92×92×110mm
• Power supply: 220VAC 50Hz.

• Model:-REF-200
• pH Measuring Range:- 0~14pH
• Low resistance sensoring film,
• Ceramic salt bridge,
• 3/4" NPT thread,
• 3.0KCl electrolyte,can't be re-filled.
• Temp:-0~60 C
• Working pressure: 0.4MPa (Even high pressure is option)Cable length: 5 meter with BNC header Glass electrdoe, NYLON jacket

• Model:- REF-300
• pH measuring Range:- 0~14pH
• Low resistance sensoring film
• Ceramic salt bridge
• 3/4" NPT thread
• 3.0KCl electrolyte,can't be re-filled.
• 0.1MPa / 0.4MPa / 0.8MPa pressued, long lifespan.
• Temp:-0~85 C (0~130 C is optional)
• Working pressure: 0.6MPa (Even high pressure is option)
• Cable length: 5 meter with BNC header (VP header is optional)Glass electrdoe, PPS jacketLiquid ground pole: Available. Can be used in dual high-impedance differential amplifier, improve anti interference, improve response speed.

Ref-28 conductivity controller is microprocessor, strong anti-interference & simple maintenance, easy for operation with temp compensation and can be connected with various types of ec probes. Its strong anti-interference and simple maintenance. ref-28 widely used in online monitoring of the conductance values in the chemical industry, metallurgy, water treatment plants, pharmaceutical, biochemical, electronics, electroplating, printing and dyeing, environment protection, food & beverages industry, effluent treatment plants, sewage treatment plants, water industry, breeding industry and so on. the built-in dot matrix lcd can display conductivity (ec) value in μs/cm, temperature, alarm settings and time. Configuration menu is simple and flexible, easy for operation. It can be used for online, inline industrial application.

• Measuring range: ec: 0. 00 ~ 200,000 μs/cm
  • temperature: 0. 0℃~80℃
• Resolution: ec: 0. 01μs/cm
  • temperature: 0. 01℃
• Accuracy : ec: 0. 1μs/cm ± 1 digit
  • temperature: 0. 1 ℃ ± 1 digit
• Display type: lcd.
• Transmission signal: 4 ~ 20ma isolated output.
• Calibration: automatic identification of ec buffer solution,
• Input sensor model: the conductivity sensor can be with constant value as below:
• 01, 0. 1, 1. 0, 10. 0, 30. 0 (cm? ? ? 1)
• Data storage: 30 days
• Alarm output: 2 separate on off relay output: high, low, programmable.
• Measure distance: ≤ 20meter
• Dimension: 96×96×135 mm (h×w×d)
• Protection : ip64
• Weight: 1. 0kg
• Installation: pipe, tank or plane installation
• Power supply: 100 ~ 240 vac; 50hz ±1hz.

conductivity electrode is suitable for industrial conductivity controller , online –inline measurement application. Titanium electrode, corrosion resistance, long lifespan, also suitable for ultrapure water and weak electrolyte.

• electrode constant: 0. 01, 0. 1, 1. 0, 10. 0, 30. 0 (cm? ? ? 1) (as per customer request)
• reference scale: 0. 00 ~ 20μs/cm (0. 01 cm? ? ? 1), 0. 00 ~ 200 μs/cm (0. 1 cm? ? ? 1),
• 0. 00 ~ 2000 μs/cm (1. 0 cm? ? ? 1), 0. 00 ~ 20000 μs/cm (10. 0 cm? ? ? 1),
• 0. 00 ~ 200,000 μs/cm (30. 0 cm? ? ? 1)
• electrode type: 2-electrode
• electrode material: titanium
• temperature compensation: pt1000
• mechanical connection: 3/4" npt (pipe thread)
• operating pressure: 0. 6mpa
• medium temperature: 0. 0℃~80℃ (0. 0℃~120℃ optional)
• connection type: 5 meter cable with wire connection
  (also available in cable length of 7meter, 10 meter, 15 meter,20 meter on request)

Our Dosing Pumps have been widely used in chemical injection technique system in the large-scale water treatment, petroleum, chemical industry, power plant, natural gas, pharmacy, food and laboratory fields at both domestic and abroad.

Stroke frequency adjustment from 0 (strokes per hour) to 100 (strokes per minute) Optional internal (manual) or external control mode Flexible slope adjustable response to mA input signals Divide or multiply (batch) input pulses (1 to 999) Optional batch accumulate function Keypad lock fuction avoid mis-operating Low-level shutoff with alarm output

• Programmable flow monitoring with alarm output
• 6-level pressure control
• Continuous non-volatile memory (EEPROM)--no battery required
• Remote ON/OFF control
• Pulse (pacing) output
• Automatic line voltage compensation and over voltage Protection
• Programmable menu for optional features/parameters
• Serial communication interface optional for computer remote control