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Palmer Wahl DST621&661_Probes | Digi-Stem DST621 and 661 Dual RTD Probes | Pt100 Class A
Part Number : DST621&661_Probes
The DST621&661_Probes listing covers the dual-sensor RTD probes built to order for Digi-Stem DST621 and DST661 meters (meter sold separately). Each probe holds two Pt100 Class A 4-wire RTDs in MgO packed MI cable: the primary feeds the battery-powered indicator, and the secondary is independent, loop powered at 24 V DC. Remote versions use a ten-conductor cable, and IP68 quick disconnects let the meter or probe be removed for lab calibration while the cable stays in place.
Key features
- Rigid, remote or adjustable angle styles
- NPT, swivel nut or 3-A sanitary (Standard 74-06) process connections
- Stems of 1/4, 3/8, 1/2 in or 5/8 in tapered, up to 72 in long
- Probe ID blocks unauthorised probes (rigid, and remote to 25 m)
- Remote cable up to 200 m
The manufacturer offers a NIST traceable certificate of conformance.
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