DS221 Specifications


TempTrak® DS221 Specifications

Current Output (+/- current)

Current Loop Power Input: 12 VDC to 30 VDC, 25 mA maximum
Current Draw: 4 mA for 21,731 Hz input (0° C RTD temperature)
20 mA for 14,935 Hz input (300° C RTD temperature)
20.1 mA for fault condition (out of range or no signal)
Maximum Current Draw Error: ±0.167% of full scale (±0.5° C for 300° C range) for 14,935 Hz to 21,731 Hz input frequency, over specified power supply and operating temperature range

Rieter Frequency OUTPUT (+/- frequency)

Output Signal: Open collector output: 30 V max, 120 mA max
Frequency Form: Rectangular pulses
Frequency Range: 14,935 Hz to 21,731 Hz
Measurement Resolution: 0.015°C


Operating Environment: Temperature: 0 - 85° C (non-condensing)
Input Signal: Pulsed infrared LED @ 935nm

Specifications subject to change without prior notification.