Thermocouple Technology, LLC
Thermocouple Technology, LLC
350 New Street, Quakertown, PA 18951
Phone: 800.784.3783 215.529.9394
Fax: 215.529.9397
Email: sales@tteconline.com
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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

 N/A -200 to +260 ºC-328 to +500 ºF

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

 N/A -60 to +250 ºC-76 to +482 ºF

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

 N/A -10 to +150 ºC-14 to +302 ºF

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

 N/A -70 to +300 ºC-94 to +572 ºF

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

 N/A -200 to +1000 ºC-328 to +1832 ºF

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

 N/A -200 to +1000 ºC-328 to +1832 ºF

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

 N/A -200 to +1000 ºC-328 to +1832 ºF

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

 N/A -200 to +200 ºC-328 to +392 ºF

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

 N/A Upper Range Depending on X-value

Specifications

Input Thermocouple Type

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

Sensor Failure Monitoring

 N/A Upscale, Downscale or Off

Output

 N/A 4 to 20 mA (Temperature Linear) a1159.jpg

Operating Temperature

 N/A -4 to 158 ºF-20 to 70 ºC

Galvanic Isolation

 N/A No

Supply Voltage

 N/A 8 to 32 VDC

Typical Accuracy

 N/A ±0.15% of Temperature Span

Mounting

 N/A Rail Acc. to DIN EN 50022, 35 mm

Adjustments

Zero Adjustment

 N/A Any Value within Range Limits

Min. Span

 N/A 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