Define Instruments Inc
- Home
- Companies
- Define Instruments Inc
- Products
- Define - Model TM-2DLI - 2-Wire ...
Define - Model TM-2DLI -2-Wire Isolated Universal Transmitter
The TM-2DLI accepts one of several input signal types and generates a 4-20mA or 20-4mA output. This versatile 2-wire transmitter accepts a range of standard input types, and outputs a 4-20mA loop. USB programming is hassle free, and takes less than a minute using Define ToolBox.
Most popular related searches
- 2-wire universal transmitter (DIN-mount, isolated)
- Current, voltage, thermocouple, RTD and potentiometer input
- Loop powered, 4-20mA output
- LED indicator for error notification
- Potentiometer for fine offset adjustment of current output
- Current, voltage, TC, RTD, & potentiometer input
- 3750VAC isolation between input & output
- -4 to 185°F (-20 to 85°C) operating temp
- 10.5 to 36VDC power supply
- 35mm symmetrical DIN rail mount
- Program using free Define ToolBox software download
- No power supply or calibrator required
- Requires a USB Bridge Key
- Designed to withstand harsh EMC environments
- CE approved & 5-year guarantee
Universal Input
- Configuration: 2 wire
- Number of universal inputs: 1 isolated universal input, full input specifications below
Power
- Power supply: 10.5-36V DC
- Supply voltage sensitivity: <±0.005%/V FSO
General Specifications
- Accuracy: ≤ ±0.1% of span
- Accurate to: <±0.03% FSO typical
- Ambient drift: <±0.003%/°C FSO typical
- Isolation test voltage: Between input and output: 3750V AC for 1min
- Noise immunity: 125dB CMRR avg (2.0kV DC limit)
- RF immunity: <1% effect FSO typical
- Maximum load: 1,200Ω (at 20mA with 36V input)
- Linearization tables: 32-point flexible linearization available
- Response time: 400msec typical (10-90% 300msec typical)
Thermocouple Input
- Thermocouple types: B, E, J, K, N, R, S, T
- Input impedance: 1MΩ min
- T/C lead resistance: 100Ω max
- Cold junction compensation: -4 to 194°F (-20 to 90°C)
- CJC error: <±1°C
- Accuracy: E, J, K, N, T: <±1°C. B, R, S: <±2°C
- Ambient drift: E, J, K, N, T: <±0.05°C. B, R, S: <±0.2°C
- Sensor break output drive: Function high upscale/low downscale
- USB programmable zero: 0–±99% of the span
- RTD Input
- RTD input type: PT100 or PT1000 DIN 3-wire type (2-wire can be used with off set calibration)
- Lead wire resistance: PT100: 10Ω/wire max. PT1000: 5Ω/wire max 0.02% FSO off set error per Ω of lead resistance.
- Sensor current: 0.15mA nominal
- Sensor break output drive: Function high upscale/low downscale
- USB programmable zero: 0–±99% of the span
- USB programmable span: –328 to 1562°F (–200 to 850°C)
- 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
- Other available RTD types: JIS, PT392, CN10
Current Input
- USB programmable zero: 0–±99% of the span
- Field programmable span: 1μA–24mA DC
- Input impedance: 10Ω
- Max over-range: 50mA DC continuous
- Linearity & repeatability: <±0.02% FSO typical
Voltage Input
- USB programmable zero: 0–±99% of the span
- USB programmable span: 100mV to ±10V DC (bipolar)
- Input impedance: 300kΩ min
- Maximum over voltage: 60V DC continuous
- Linearity & repeatability: <±0.02% FSO typical
- Potentiometer Input
- 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 & repeatability: <±0.02% FSO typical
Analog Output (Retransmission)
- Analog output type: 4-20mA or 20-4mA (loop powered)
- Output load resistance: 650Ω at 24V DC (50Ω/V above 10.5V DC)
- Max output current: Limited to < 28mA (emission and immunity)
Programming
- Define ToolBox: Simple programming using Define ToolBox (requires Bridge Key, sold separately)
Construction
- Casing: 35mm DIN mount case
- Dimensions (H x W x D): 3.11 x 0.79 x 2.68″ (79 x 20 x 68mm)
- LED indication: Flashing=Normal, On=Fault
- Potentiometer: For fine offset adjustment of current output
Environmental Conditions
- Operating temperature: -4 to 185°F (-20 to 85°C)
- Storage temperature: -4 to 185°F (-20 to 85°C)
- Operating humidity: 5–85%RH max (non-condensing)
Certifications & Compliances
- Casing: Panel mount case
- EMC: EN61326 (Emissions); EN61326 (Immunity); EN61010-1 (Safety)
