ACR Electronics SmartReader Plus Reference Manual page 91

ET-016: Extended exposure to temperatures above 70°C may result in permanent
resistance drift, resulting in loss of ±0.2°C tolerance over the 0 to 70°C temperature
range. Extended exposure to temperatures below 0°C may result in some mechanical
damage due to thermal contraction effects.
ET-004 Low Temperature Probe
Description:
R25 Value:
Equation:
Range:
Resolution:
Accuracy:
Cable:
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SmartReader Plus Data Logger
red and black leads are stripped and tinned.
Figure C-1: ET-016 Probe Resolution
NTC thermistor and cable potted into the end of a 89mm (3½
") long tapered stainless steel penetration tip with 89mm (3½
") long by 19mm (¾") diameter tapered plastic handle.
2,252 ohms
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-60 to 55°C (-75 to 130°F)
Refer to Figure C-2
±0.2°C (±0.4°F) from 0 to 55°C (32 to 130°F)
±0.6°C (±1.1°F) from -50 to -30°C (-58 to -22°F)
±0.3°C (±0.54°F) from -30 to 0°C (-22 to 32°F)
3m (10ft) standard length with Teflon® protective jacket; red
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