420PRO-L is a non-isolated, easy-to-use 2-wire transmitter. Configuration is made in seconds with the user friendly Windows software. No external power supply required for configuration.

420PRO-L is programmable for RTD's in 3- and 4-wire connection according to different standards as well as for 11 T/C types. Useful error correction functions improve the accuracy.
Unit of Measure

Input RTD

Input RTD - Cu 10 (Edison #15), 3-, 4-Wire Connection

 -200 to +260 ºC-328 to +500 ºF

Input RTD - Ni 100 (DIN 43760), 3-, 4-Wire Connection

 -60 to +250 ºC-76 to +482 ºF

Input RTD - Ni 1000 (DIN 43760), 3-, 4-Wire Connection

 -10 to +150 ºC-14 to +302 ºF

Input RTD - Ni 120 (Edison #7), 3-, 4-Wire Connection

 -70 to +300 ºC-94 to +572 ºF

Input RTD - Pt 100 (α = 0.00385), 3-, 4-Wire Connection

 -200 to +1000 ºC-328 to +1832 ºF

Input RTD - Pt 100 (α = 0.003902), 3-, 4-Wire Connection

 -200 to +1000 ºC-328 to +1832 ºF

Input RTD - Pt 100 (α = 0.003916), 3-, 4-Wire Connection

 -200 to +1000 ºC-328 to +1832 ºF

Input RTD - Pt 1000 (α = 0.00385), 3-, 4-Wire Connection

 -200 to +200 ºC-328 to +392 ºF

Input RTD - PtX 10 ≤ X ≤ 1000 (α = 0.00385), 3-, 4-Wire Connection

 Upper Range Depending on X-value

Specifications

Input Thermocouple Type

 B, C, E, J, K, L, N, R, S, T, U

Sensor Failure Monitoring

 Upscale, Downscale or Off

Output

 4 to 20 mA (Temperature Linear)
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Operating Temperature

 -4 to 158 ºF-20 to 70 ºC

Galvanic Isolation

 No

Supply Voltage

 8 to 32 VDC

Typical Accuracy

 ±0.15% of Temperature Span

Mounting

 Rail Acc. to DIN EN 50022, 35 mm

Adjustments

Zero Adjustment

 Any Value within Range Limits

Min. Span

 Pt100, Pt1000, Ni100, Ni1000 18 ºFPt100, Pt1000, Ni100, Ni1000 10 ºCT/C 2 mV

Features

N/A

  • Accepts RTD in 3 and 4-wire connection and 11 T/C types
  • Temperature linear output
  • Sensor error and system (sensor/transmitter) error correction for highest total accuracy
  • Configuration without external power
  • Easy-to-use Windows configuration software
  • NAMUR compliant
  • Test output without breaking the loop
  • USB communication
  • Withstands vibrations up to 10 g