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TM-4DPI - 4-wire Universal Transmitter

This versatile 4-wire transmitter accepts a wide range of standard input types, and features a user-selectable current or voltage output. USB programming is hassle free - it takes just 2 minutes using our purpose-built software, and no calibration or power supply is required.

4-wire universal transmitter (DIN-mount, isolated)
Accepts current, voltage, thermocouple, RTD and potentiometer input
Current or voltage output
LED indicator for error notification
USB port for PC programming (requires TM-USB communications kit)
Potentiometer for fine offset adjustment of current output

Specifications
Casing

TM-4DPI - 4-wire universal transmitter (DIN-mount, isolated)

Standard Specifications
Configuration	4-wire
Voltage output	0-10V DC or -10 to +10V DC
Current output	4-20mA, 0-20mA, 20-4mA or 20-0mA 20mA max output drive (650Ω max load at 13V DC)
Power supply	21-100V DC or 85-265V AC
Supply voltage sensitivity	<±0.005%/V FSO
Output load resistance	700Ω at 24V DC (50Ω/V above 9.5V DC)
Max output current	Limited to <28mA (emission and immunity)
Emissions compliance	EMC EN 61326
Immunity compliance	EMC EN 61326
Safety compliance	EMC EN 61010-1
Accurate to	<±0.03% FSO TYPICAL
Ambient drift	<±0.003%/°C FSO TYPICAL
Noise immunity	125dB CMRR AVERAGE (2.0kV DC limit)
R.F. immunity	<1% effect FSO TYPICAL
Isolation test voltages	Between input and output: 3750V AC for 1min
Response time	400msec TYPICAL (10-90% 300msec TYPCIAL)
Operating temperature	-20 to +85°C
Storage temperature	-20 to +100°C
Operating humidity	5-85%RH MAX (non-condensing)

Voltage Input Specifications
USB programmable zero	0-±99% of the span
USB programmable span	100mV to +/-10V DC (bipolar)
Input resistance	300kΩ MIN
Max over-range	60V DC continuous
Linearity & repeatability	<±0.02% FSO TYPICAL

Current Input Specifications
USB programmable zero	0-±99% of the span
Field programmable span	1µA-24mA DC
Input resistance	10Ω
Max over-range	50mA DC continuous
Linearity & repeatability	<±0.02% FSO TYPICAL

Thermocouple Input Specifications
Thermocouple types	B, E, J, K, L, N, R, S, T
USB programmable zero	0-±99% of the span
Field programmable span	Refer to ordering information for min/max ranges for each type
Input impedance	1MΩ MIN
T/C lead resistance	100Ω MAX
Cold junction comp.	-20 to +90°C
Accuracy	E, J, K, N, T: <±1°C, B, R, S: <±2°C
Temperature drift	E, J, K, N, T: <±0.05°C, B, R, S: <±0.2°C
CJC error	<±1°C
Sensor break output drive	Function high upscale / function low downscale

RTD Input Specifications
RTD input	Pt100 or Pt1000 DIN 3-wire type (4-wire can be used with offset calibration)
Sensor current	0.15mA nominal
Lead wire resistance	Pt100: 10Ω/wire MAX, Pt1000: 5Ω/wire MAX (0.02% FSO offset error per Ω of lead resistance)
USB programmable zero	0-±99% of the span
USB programmable span	-200 to +850°C
Sensor break output drive	Function high upscale / function low downscale
Linearity (Pt100)	0.02% FSO for span inputs ≤200°C 0.1% FSO for span inputs ≤850°C
Linearity (Pt1000)	0.02% FSO for span inputs ≤200°C 0.2% FSO for span inputs ≤520°C
Available RTD types	JIS, Pt100/1000, Pt392, Cu10

Potentiometer Input Specifications
Potentiometer input	3-wire potentiometer
Excitation voltage	1.2V DC
Potentiometer resistance	0-2KΩ LOW POT, 0-1MΩ HIGH POT
Field programmable zero	0-90% of the span
Field programmable span	0.1-100%
Linearity and repeatability	>±0.02% FSO TYPICAL

USB port (requires TM-USB kit)
Status LED: Flashing=Normal, On=Fault
Potentiometer for fine offset adjustment of current output
35mm DIN mount case: 79 x 30 x 68mm (H x W x D)

Product is eligible for private labelling.