Loop Powered Simplex/Duplex Temperature Transmitter – Head Mount – LTX-3000-H

Libratherm Instruments Pvt. Ltd.
Libratherm Instruments Pvt. Ltd.

Loop Powered Simplex/Duplex Temperature Transmitter – Head Mount – LTX-3000-H

Product Description :
LTX-3000-H-1 – Two Wire Temperature Transmitter (Head Mounted) for Simplex Sensor.
LTX-3000-H-2 – Two Wire Temperature Transmitter (Head Mounted) for Duplex Sensor.
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  • Two wire design (supply and output on the same lines).
  • Accepts RTD (Pt-100) / thermocouple / millivolt input.
  • (4-20) mA non-isolated and isolated output.
  • ZERO and SPAN adjustments for on-site calibration.
  • Easily fits in std. thermocouple head (weather or flame proof or in explosion proof JB).
  • Loop supply of 12 to 36VDC (with loop continuity LED).
  • Saturation or open sensor current limited to 25Ma.
  • Reverse polarity protection.
  • Available in both Field mount and DIN rail mount versions.
  • Special model ISO-12 for 4-20mA to 4-20mA isolation.
  • Carry thermocouple or RTD signals over long distance without noise and loss of accuracy.
  • Eliminates the use of a costly compensating cable.
  • Useful for converting other mV/Ohms signal to equivalent 4-20mA loop.
ParametersDescription
InputThermocouple, mV, RTD (Pt-100) or resistance signal from displacement, position or level sensor.
RangeSubject to specified input (User should specify the required range).
Output(4-20) mA, two wire and loop powered
(calibrated linearly to the input signal).
Accuracy ± 0.5 % to +/- 1% of the calibrated range or better including linearity, Hysterisis, and compensation error.
CalibrationOn site using ZERO / SPAN presets (user settable using a small screw driver)
Zero Adjustment: +/-25% of the range (20 Turns).
Span Adjustment: +/- 25% of the range (20 Turns).
Loop supply (Vs)(12 to 36) VDC
Loop Status The built in Red LED indicates the continuity status of the loop.
LED will not glow if the current loop is broken.
Loop Resistance600 Ohms @ 24VDC (loop supply dependent).
Max. Load ResistanceRL Max = (Vs-12V) / 20 mA.
IsolationInput and Output are Galvanically isolated (> 1KV) for isolated models
Burn Out DetectionThe output shall saturate > 20mA (max. 25mA @ 24VDC loop supply)
Operating Temp.10 °C – 70 °C
Sizes22 x 75 x 100 mm.
Sr. No.Model SpecificationsPart No.
SIMPLEX TRANSMITTER - K TC
1LTX-3000-H-1INPUT : K TYPE T/C RANGE : 0 to 400 °C 2001-01-01
2LTX-3000-H-1 INPUT : K TYPE T/C RANGE : 0 to 600 °C 2001-01-02
5LTX-3000-H-1 INPUT : K TYPE T/C RANGE : 0 to 1200 °C 2001-01-03
3LTX-3000-H-1 INPUT : K TYPE T/C RANGE : 0 to 800 °C 2001-01-04
4LTX-3000-H-1 INPUT : K TYPE T/C RANGE : 0 to 1000 °C 2001-01-05
DUPLEX TRANSMITTER - K TC
6LTX-3000-H-2INPUT : K TYPE T/C RANGE : 0 to 400 °C2001-02-01
7LTX-3000-H-2 INPUT : K TYPE T/C RANGE : 0 to 600 °C2001-02-02
8LTX-3000-H-2 INPUT : K TYPE T/C RANGE : 0 to 800 °C 2001-02-03
9LTX-3000-H-2 INPUT : K TYPE T/C RANGE : 0 to 1000 °C 2001-02-04
10LTX-3000-H-2 INPUT : K TYPE T/C RANGE : 0 to 1200 °C 2001-02-05
SIMPLEX TRANSMITTER - RTD(PT-100)
11LTX-3000-H-1 INPUT : RTD Pt-100 RANGE : -50 to 100 °C 2002-01-01
12LTX-3000-H-1 INPUT : RTD Pt-100 RANGE : 0 to 100 °C 2002-01-02
13LTX-3000-H-1 INPUT : RTD Pt-100 RANGE : 0 to 150 °C 2002-01-03
14LTX-3000-H-1 INPUT : RTD Pt-100 RANGE : 0 to 200 °C 2002-01-04
15LTX-3000-H-1 INPUT : RTD Pt-100 RANGE : 0 to 250 °C 2002-01-05
16LTX-3000-H-1 INPUT : RTD Pt-100 RANGE : 0 to 300 °C 2002-01-06
17LTX-3000-H-1 INPUT : RTD Pt-100 RANGE : 0 to 350 °C 2002-01-07
18LTX-3000-H-1INPUT : RTD Pt-100 RANGE : 0 to 400 °C2002-01-08
DUPLEX TRANSMITTER - RTD(PT-100)
19LTX-3000-H-2INPUT : RTD Pt-100 RANGE : -50 to 100 °C2002-02-01
20LTX-3000-H-2INPUT : RTD Pt-100 RANGE : 0 to 100 °C 2002-02-02
21LTX-3000-H-2INPUT : RTD Pt-100 RANGE : 0 to 150 °C 2002-02-03
22LTX-3000-H-2INPUT : RTD Pt-100 RANGE : 0 to 200 °C 2002-02-04
23LTX-3000-H-2INPUT : RTD Pt-100 RANGE : 0 to 250 °C 2002-02-05
24LTX-3000-H-2INPUT : RTD Pt-100 RANGE : 0 to 300 °C 2002-02-06
25LTX-3000-H-2INPUT : RTD Pt-100 RANGE : 0 to 350 °C2002-02-07
26LTX-3000-H-2INPUT : RTD Pt-100 RANGE : 0 to 400 °C2002-02-08

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