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The RT820D Series loop-powered RTD temperature transmitters are Micro-processor based and are designed for highest accuracy, highest stability and highest resolution.
Based on Intempco’s patented MIST technology, they offer the highest performance for the most demanding temperature measurement applications.
The advanced programming, via the MIST PKIT, allows for one or two point calibration, re-scaling, filtering, and tagging.
MIST820D units are DIN rail-mounted conforming to DIN standard 46277 package which is very compact.
Features- Micro-processor based design
- Fully field re-programmable with module and PC based software
- Input RTD Pt100 with 3-wire compensation
- 2-wire loop-powered 4-20 mA output
- Factory calibrated or customer calibrated
Specifications
Brand
Accuracy
- ± (0.05° C (0.09° F) + 0.05 % of Calibrated Span) with Two-Point Calibration
- ± (0.10° C (0.18° F) + 0.10 % of Span) with One-Point Calibration
Adjustment Type
- Factory Set (Pre-Set)
- Field Adjustable (Customer Calibrated)
Current
- Excitation Current RTD: 0.2 mA
Enclosure, Body Material
- Polyamide
Mounting
- DIN Rail (DIN 46277)
Operating Temperature
- -40° to 80° C (-40° to 176° F)
Output
- 4-20 mA, 2-Wire Loop Powered, Linear to Temperature
Power Supply
- 12-32 Vdc, Polarity Protected
Power Supply Effect
- < 0.001 %/V
Resistance
- Sensor Lead Resistance RTD: RTD Resistance + 2 times lead wire resistance must be less than 6,000 ohms
Resolution
- 0.0005 mA (15-bits)
RFI/EMI Effect
- 1 % of Span or Less
RTD Type
- Pt100, 3-Wire, Alpha = 0.00385, DIN EN 60751
Sensor Circuit
- Open Circuit Detection: Downscale 2.5 mA
- Open Circuit Detection: Upscale 24 mA
Sensor, Probe Connection
- 2-Wire
- 3-Wire
Sensor, Probe Type
- RTD
Span - Minimum
- 50° C (122° F)
Span & Zero Adjustments
- By Software
Stability
- Long Term Drift: ≤ 0.1 % of Full Scale Per Year
Storage Temperature
- -40° to 80° C (-40° to 176° F)
Temperature Effect
- ± 0.002° C/°C
Temperature Range
- -50° to 600° C (-58° to 1,112° F)
Update Time
- Warmup: 30 seconds
