2TX Loop Powered Transmitter for Analog pH & ORP Sensors


2TX 2-Wire Transmitter for pH, ORP and Temperature Measurements

  • Large LCD Display of pH or ORP plus Temperature
  • Power Down Flash Memory: Stores all calibration & parameter data even if the unit is powered down
  • 6 Button easy to use Keypad w/ Intuitive Large Screen LCD Menu
  • 1 or 2 Point pH Calibration
  • Buffer Select: (4.01, 7.00, 10.01) or (4.00, 6.86, 9.18)
  • Supports External Preamplifiers for Low-Noise Operation and Extended Cable Lengths up to 500 feet from 2TX meter
  • Wide Operational Range of 12 V to 36 V DC
  • Excellent Input / Output Signal Isolation
  • Scaleable 4 to 20 mA Output
  • EFF, Electrode Efficiency Function
  • Auto ATC Temperature Sensor Select or Manual ATC
  • 1/4 DIN, IP-65 Waterproof and Dustproof Enclosure
  • CE Approved

Reliable & Affordable Isolated 2-Wire Loop Powered pH & ORP Transmitter

COMPARISON CHART OF 3TX, 2TX & 4TX TRANSMITTERS

pH Range-2.00 to 16.00 pHmV Accuracy±1 mV
pH Resolution0.01 pHTemperature Range-10.0 to 120.0 °C
pH Accuracy±0.01 pHTemperature Resolution0.1 °C
No. Of pH Calibration PointsUp to 2 pointsTemperature Accuracy±0.3°C
pH Buffer(pH 4.01, 7.00, 10.01) or
(pH 4.00, 6.86, 9.18)
Temperature Sensor (for ATC)PT100, PT1000, 3K Balco, 10K thermistor
PH Electrode Offset recognition±90mVTemperature CompensationATC / MAN
pH Electrode Slope recognition±30%Signal Output4.0 to 20.0mA
Input Impedance (Ohms)>1012Under / Over range current output3.80mA / 21.0 0mA
mV Range-1000 to +1000 mVPower Requirements24V DC  (12V to 36V DC)
mV Resolution1 mVDimension¼ DIN, depth 148mm

https://www.astisensor.com/2tx.php