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2TX Product Specifications (PDF)

2TX Operation Manual (PDF)


2TX Mounting Schematics (PDF)


2TX Hookup Schematic WITHOUT Preamp (PDF)


2TX Hookup Schematic WITH Preamp (PDF)

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

pH Range

-2.00 to 16.00 pH

mV Accuracy

±1 mV

pH Resolution

0.01 pH

Temperature Range

-10.0 to 120.0 °C

pH Accuracy

±0.01 pH

Temperature Resolution

0.1 °C

No. Of pH Calibration Points

Up to 2 points

Temperature 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

±90mV

Temperature Compensation

ATC / MAN

pH Electrode Slope recognition

±30%

Signal Output

4.0 to 20.0mA

Input Impedance (Ohms)

>1012

Under / Over range current output

3.80mA / 21.0 0mA

mV Range

-1000 to +1000 mV

Power Requirements

24V DC  (12V to 36V DC)

mV Resolution

1 mV

Dimension

¼ DIN, depth 148mm

Advanced Sensor Technologies, Inc.
603 North Poplar Street, Orange, California 92868-1011 USA
Tel: + (1) 714-978-2837  Toll-Free: + (1) 888-969-2784 Fax: + (1) 714-978-6339 Website: http://www.astisensor.com
Manufacturing Long-Lasting Industrial pH Sensors, ORP sensors, Ion Selective Sensors & Conductivity Sensors for Difficult Inline Process Control Measurement and Monitoring Applications
Supplying Research Grade pH Electrodes, ORP Electrodes, Ion Selective Electrodes and Conductivity Electrodes for Laboratory Testing
Offering industry leading product developments and research services for OEM manufacturers and resellers requiring pH, ORP and Ion Selective Measurements for Medical In-Vitro and In-Vivo Applications and Industrial Inline, Immersion and Submersible Measurements