Sonit provides rtd calibrator.It is portable 41 digit rtd calibrator [pt-100 rtd source] which displays set temperature ranges from -100 0c to +400 0c, with accuracy of 0.5%. In source mode, the pt-100 resistance value corresponding to the set temperature is available at the terminals. In source mode, the set temperature value is also displayed. This rtd calibrator is powered by 9 v batteries [single cell] and housed in a compact abs plastic box. This instrument is useful for field calibration of instruments like indicators/controllers, scanners, recorders, etc, which accept pt-100 rtd as input.
