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In order to configure your Thermochrons and read their data, you will need a Reader.

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Accessories

Model Comparison

Basic – TC Super – TCS Extreme – TCX Humidity – HC
Part No. DS1921G DS1922L DS1922T DS1923
Memory size 2,048 Readings
e.g. Approx. 7 days at 5 minute sample interval		 8,192 Readings (8 bit)
4,096 Readings (11 bit)
e.g. Between approx. 14 and 28 days at 5 minute sample interval		 8,192 Readings (8 bit)
4,096 Readings (11 bit)
e.g. Between approx. 14 and 28 days at 5 minute sample interval		 4,096 Readings (8 bit)
2,048 Readings (11 bit)
per channel
Range (°C) -40°C to 85°C -40°C to 85°C 0°C to 125°C -20°C to 85°C
0 to 100% Relative Humidity
Resolution (°C) 0.5°C Programmable
0.5°C – 8 bit  or
0.0625°C – 11 bit		 Programmable
0.5°C – 8 bit  or
0.0625°C – 11 bit		 Programmable
0.5°C – 8 bit  or
0.0625°C – 11 bit
Temperature Accuracy ± 1°C: -30°C to +70°C
± 1.3°C outside this range		 ± 0.5°C: -10°C to +65°C ± 0.5°C: +20°C to +75°C Better Than ±0.5°C from-10°C to +65°C with Software Correction
Sample interval 1 minute to 255 minutes 1 second to 273 hours 1 second to 273 hours
 1 second to 273 hours
Battery life ~5-7 years depending on sample rate ~5-7 years depending on sample rate ~5-7 years depending on sample rate ~5-7 years depending on sample rate
Humidity resolution Programmable
0.6% RH – 8 bit /
0.04% RH – 12 bit
Humidity accuracy ± 0.5°C: -10°C to +65°C
(With software correction)
Calibration Individually Calibrated in a NIST-Traceable Chamber Individually Calibrated in a NIST-Traceable Chamber Individually Calibrated in a NIST-Traceable Chamber Individually Calibrated in a NIST-Traceable Chamber
Water Resistance Water Resistant Enclosure (IP56) or Waterproof if Placed Inside DS9107 iButton Capsule Water Resistant Enclosure (IP56) or Waterproof if Placed Inside DS9107 iButton Capsule Water Resistant Enclosure (IP56) or Waterproof if Placed Inside DS9107 iButton Capsule Water Resistant Enclosure (IP56)