Specifications;
Long-term records of transportation and logistics, preservation of food, vegetables and fruits, refrigeration and fermentation environment; storage and transportation of medical drugs; records and studies of environmental ecology; management and control records of warehousing, laboratories, museums, moisture-proof cabinets, etc.
model |
DR-20 |
DR-20D |
DR-22 |
DR-22D |
temperature data logger |
Temperature Humidity Data Logger |
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Measuring range |
Temperature: -40~+85 ℃ (-40~+185 ℉ ) |
Temperature: -40~+85 ℃ (-40~+185 ℉ ) |
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Accuracy ( at25 ℃ ) |
Temperature: 0.1 °C ( 0.1 °F) |
Temperature: 0.1 °C ( 0.1 °F); Humidity: 0.1%RH |
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memory capacity |
500,000 temperature data |
250,000 records of temperature and humidity |
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monitor |
LCD digital display ( DR-20D, DR-22D only ) + LED status warning (red, green) |
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sensor |
Built-in high-precision semiconductor SENSOR |
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Sampling Rate |
From 1 second to 24 hours, users can freely set |
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baud rate |
57600 |
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Battery Life |
About 10 years ( records every 15 minutes, no display and no alarm conditions) |
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The main function |
Common: button start, delayed start, LED (green) operation indication, upper and lower limit Hi/Lo setting, LED (red) warning; built-in instrument ID number, high-capacity battery, IP-65 water- repellent structure, recording location registration, Power saving sleep function, hanging ring. |
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size / weight |
80*53*16mm ; about 54 grams ( DR-20/DR-22), about 60 grams ( DR-20D/DR-22D) |
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Certification |
RoHS; CE; IP65 |