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Industrial pH Two Wire 4-20 mA Transmitters LCD Display w-NEMA-4X Housing Model Available
PHTX-11/PHTX-014/PHTX-212
PLACE ORDER - Isolated or Non-Isolated Models Available
- 4 to 20 mA Output
- Manual or Automatic Temperature Compensation
- Integral LCD Display with NEMA-4X Enclosure Model Available, PHTX-11
Description
Description
The model PHTX-014 pH two wire transmitter is designedto provide a standard 4 to 20 mA current output which isproportional to the pH being measured. Its small size andencapsulated construction allow for easy installation andwill accommodate any pH electrode with a BNC connector.Temperature compensation is either manual or automaticwith use of any 1000 Ohm Platinum RTD.
The PHTX-212 isthe same as the PHTX-014 but with a range of 2 to 12 pH. This is a popular choicefor use with recorders or any application where it is convenient to divide the outputinto ten division.
The PHTM-ORP is for an ORP electrode input with a range of 0 to 2000mV.
The PHTX-11 features include a NEMA-4X housing,an integral LCD display for continuous pH reading or fora direct corresponding readout in milliamps, using a convenientpush-button switch. The 4 to 20 mA output signal may bescaled in the field to meet specific pH ranges in any 1 to 14 pHunit increment. Temperature compensation is manual using afixed resistor or automatic using any of trodeks’sOL-700 Series thermistors probes.
SPECIFICATIONS
Range: 0 to 14 pH or 2 to 12 pH
Span:
PHTX-014: 0 to 14 pH;
PHTX-212: 2 to 12 pH;
PHTX-ORP: 0 to 2000 mV;
PHTX-11: Any 1 to 14 pH unit, user selectable output
Accuracy: ±0.02 pH; PHTX-ORP: ±1.0 mV
Operating Temperature:
PHTX-014, PHTX-212, PHTX-ORP: -25 to 70°C (-13 to 158°F);
PHTX-11: -10 to 60°C (14 to 140°F)
Input Impedance: > 10^13 Ohms
Temperature Compensation:
Manual: fixed resistors;
Automatic: PHTX-014, PHTX-212: 1000 ohm Platinum RTD;
PHTX-11:M trodeks’s OL-700 series thermistor probes
Connector: BNC
Power: 12 to 80 Vdc (24 Vdc recommended)
Output:
PHTX-014, PHTX-212, PHTX-ORP: Non-isolated 4 to 20 mA;
PHTX-11: isolated 4 to 20 mA
Input to Output Isolation: PHTX-11: 600 V maximum
Dimensions:
PHTX-014, PHTX-212, PHTX-ORP: 57.4 H x 38.1 W x 38.1 mm D (2.25 x 1.5 x 1.5");
PHTX-11: 125 H x 74.2 W x 99.6 mm D (4.92 x 2.92 x 3.92")
Display: PHTX-11: 3 1/2 digit LCD
Display Resolution: PHTX-11: 0.01 pH
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