Loop Powered Isolator – ISO-12
₹2,888
Prices are inclusive of Delivery Charges.
ISO-12: Two-Wire Loop Powered 4-20mA Isolator.
SKU: N/A
Category: Temperature Transmitters
Key Features
- 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.
- 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.
Application
- 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.
Technical Specification
Parameters | Description |
---|---|
Input | Thermocouple, mV, RTD (Pt-100) or resistance signal from displacement, position or level sensor or 4-20mA. |
Range | Subject to specified input (User should specify the required range). |
Output | (4-20) mA, two wire and loop powered |
(calibrated linearly to the input signal). Isolated or Non-Isolated, as per model. | |
Accuracy | ± 0.5 % to +/- 1% of the calibrated range or better including linearity, Hysterisis, and compensation error. |
Calibration | On 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) | 24VDC +/- 10% for the isolated versions |
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 Resistance | 600 Ohms @ 24VDC (loop supply dependent). |
Max. Load Resistance | RL Max = (Vs-12V) / 20 mA. |
Isolation | Input and Output are Galvanically isolated (> 1KV) for isolated models |
Burn Out Detection | The output shall saturate > 20mA (max. 25mA @ 24VDC loop supply) |
Operating Temp. | 10 °C – 70 °C |
Mounting | On 35 mm DIN rail. |
Sizes | 22 x 75 x 100 mm. |
Ordering Information
Sr. No. | Specifications | Part No. |
---|---|---|
1 | Two wire Loop powered 4-20mA to Isolated 4-20mA Transmitter | 2007 |
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