DIN rail mount temperature transmitter RT420
probe head-mountedPt1004-wire

DIN rail mount temperature transmitter
DIN rail mount temperature transmitter
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DIN rail mount, probe head-mounted
Input type
Pt100, 4-wire, 2-wire, 3-wire
Output signal
current output
Other characteristics


●For head or rail mounting ●2-, 3- and 4- wire ●Error signaling in case of sensor break or short-circuit Characteristics The RT420 is a installation resistance thermometer with transmitter. Pt100 temperature probes can be connected (2-, 3- or 4- wire technology). The device has a linearized 4..20 mA current output. The RT420 is fully potted, robust, shakeproof and durable. This makes it particularly suitable for stressing industrial application as well as outdoor usage. The transmitter is factory preset, but can also be configured by the customer via programming tool. This makes customers' warehousing easier and has the advantages of a freely programmable measuring range. The RT420 is suitable for head or rail mounting depending on design type. The device provides error signaling in case of sensor break or sensor short-circuit. Technical data Measuring input: Pt100 Measuring range:-200..+850 °C, programmable Measuring span :25 to 1050 K Lower range limit:-200..+825 °C Sensor connection:2-, 3- or 4- wire connection Measuring rate:< 700 ms Output signal:4..20 mA, 2-wire technology Accuracy : ±0.25 °C or ±0.1 % of meas. span (higher value applicable) Accuracy (output) :< ±0.1 % of current signal Power supply UB :8..35 V DC
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.