Greystone Energy Systems TXRC Series Catalog Page
ROOM TEMPERATURE
TRANSMITTERS
TXRC Series
Precision temperature
control/sensing
FEATURES:
• Precision RTD sensing element
• Choice of scaled ranges and outputs
Various options: Setpoint Adjustment, Override, etc.
•
• Custom laser etching available
Peace of mind
through reliable
temperature monitoring
GREYSTONE HAS AN ISO 9001 REGISTERED QUALITY SYSTEM
DESCRIPTION:
The TXRC Series room temperature transmitter is a precision current loop transmitter. It utilizes the platinum RTD
and is available in various congurations. The transmitter provides a high accuracy signal with excellent long term
stability, low hysteresis and fast response while being virtually immune to power supply noise and input voltage
uctuations. All models operate on a wide range of AC or DC power supplies.
The TXRC is supplied in an attractive wall mount enclosure. The universal back plate can be mounted directly to
several electrical box styles or directly on any wall.
The TXRC has various options available such as setpoint adjustment, manual override, etc. that allows for use in
a multitude of applications.
SPECIFICATIONS :
Sensor................................................................1000 ohm or 100 ohm Platinum RTD
Sensor Accuracy.............................................±0.3˚C (±0.54˚F) @ 0˚C (32˚F)
Output Signal..................................................4-20mA current loop, 0-5 vdc, or 0-10 Vdc
(factory congured)
Transmitter Accuracy...................................±0.1% of span, including linearity
4-20 mA loop Power Supply......................15-35 Vdc or 22-32 Vac
Minimum Current Loop ..............................2 mA nominal (occurs with shorted sensor)
Maximum Loop Current..............................22.5 mA nominal (occurs with open sensor)
Maximum Loop Load...................................>600 ohms
0-5 Vdc Power Supply..................................10-35 Vdc or 10-32 Vac
0-10 Vdc Power Supply................................15-35 Vdc or 15-32 Vac
Maximum Current (Voltage)......................5 mA nominal
Maximum Output (Voltage) ......................Limited to <5.5 Vdc for 0-5 Vdc, <10.5 for 0-10 vdc
Input Voltage Eect......................................Negligible over specied operating range
RFI Rejection ...................................................Good RFI rejection of normal frequencies
Protection Circuitry.......................................Reverse voltage protected and output limited
Operating Conditions..................................0 - 50˚C (32 - 122˚F), 0-95% RH non-condensing
Enclosure..........................................................White ABS - IP30 (NEMA 1)
84mmW x 117mmH x 29mmD (3.3” x 4.6” x 1.15”)
Wiring Connections......................................Screw terminal block (14 to 22 AWG)
OPTIONS:
Setpoint Adjustment
Type....................................................................Front panel slidepot, 2 wire resistance output
Range.................................................................0K to 10K Ω standard
Custom spans available ..............................1K, 2K, 5K, 10K or 20K Ω
Manual Override
Type....................................................................Front panel, momentary pushbutton
Front panel pushbutton..............................50 mA @12 Vdc, N.O., SPST
Status LED Input
Signal Type.......................................................Active high, low or 2-wire, 5 V current limited standard
LED Colors........................................................Yellow (Y), Red (R) or Green (G),
Power Supply..................................................5 Vdc standard, 10 or 24 Vdc optional
Communication Jacks
Molex .................................................................4 Pin header to 4 pin terminal block. Requires HHTA - Hand Held Adapter
Fan Speed Switch
Type....................................................................Side mounted, 5 position slide switch
Designators .....................................................O, Auto, Low, Medium, High
Signal.................................................................2 wire, resistance output - 0, 2, 4, 6, 8 KΩ
Custom ranges available, contact Greystone
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