Alpha pH 500 pH/ORP 2-Wire Transmitter

  • Large LCD Display Screen 7 segment display complete with symbols for status information
  • User Friendly Features Many features to enhance the users experience
  • Warranty This product comes complete with a 1 year warranty
Product Options


The Eutech Alpha pH 500 pH/ORP 2-wire transmitter features a large LCD screen which doubles as a monitor, the inbuilt symmetrical mode, two wire design and input to output isolation means the user collects clean data in electrically noisy ambients. Heightened accuracy is ensured with the addition of Automatic Temperature Compensation which means measurements at varying temperatures are accurate.

The Alpha pH 500 measures, displays and transmits pH/ORP with temperature simultaneously whilst the offest adjustment function enables the user to adjust readings without the need to remove the electrode from the measurement tank or pipe.

This meter comes complete with a 1 year warranty.

Manufactured by: Eutech Instruments
Model: Alpha pH 500 pH/ORP 2-Wire Transmitter

Services offered for this product

  • Sales
  • Rental
  • Installation
  • Calibration
  • Maintenance


Range 0.00 to 14.00 pH
Resolution 0.01 pH
Accuracy ±0.01 pH
Range -1000 to 1000 mV
Resolution 1 mV
Accuracy ±2 mV
Range -10.0 to 110.0 °C
Resolution 0.1 °C
Accuracy ±0.5 °C
Sensor Pt100; 2 or 3 wire
Compensation Auto/manual
Transmitter Function 4 to 20 mA scalable outputs for pH/ORP, galvanically isolated
Out-Of-Range Current Output 3.8 mA:
‘On’ select selects 3.8 mA
‘Off’ selects 4 mA (under range)
Selects 20 mA (over range)
Hold Current Output 22 mA:
‘On’ select selects 22 mA
‘Off’ selects last measured current value
Load Max. 600 Ohm
Electrical Data And Connections
pH/ORP Input 2-pin terminal; asymmetrical/symmetrical
Connection Terminal 3-pin & 8-pin terminal, detachable blocks
LCD 7 segments display with symbols for status information
Power Supply
Input 12 to 24 V DC
EMC Specifications
Emitted Interference According to EN 61326
Immunity To Interference According to EN 61326
Environmental Conditions
Operating Temperature Range 0 to 40 °C
Max. Relative Humidity 80 % up to 31 °C decreasing linearly to 50 %
at 40 °C
Mechanical Specifications
Dimensions (WxHxD) 96 x 96 x 66 mm
Weight 210 g (unit) / 310 g (packed)
Ingress Protection IP65