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| Data Logger (Temperature, Humidity or other measurement / Multi channels) |
HUMIDITY LOGGER 3641-20 |
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| Temperature and humidity data collection |
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- Wide measurement range with long life (about 5 years) himidity sensor 9680-50
- Up to 16,000 measurement data can be collected with the optional 3911-20 for processing by PC
- Special software bundled with the 3911-20 enables storing of the recording time, interval, start, end, method and comments in the instrument’s memory
- Non-volatile memory preserves collected data even when the battery is depleted
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| Basic specifications |
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| Measurement items |
Temperature, Humidity |
| Input channels |
2 channels (2ch alternating measurement) |
| Measurement range |
Temperature: -20.0 °C to 70.0 °C (when using the internal temperature sensor), -40.0 °C to 180.0 °C (when using the external temperature sensor), - 40.0 °C to 85.0 °C (when using the 9680-50 temp and humidity sensor)
Humidity: 0.0 % to 100.0 % rh (when using the 9680-50 temp and humidity sensor) |
| Accuracy |
Temperature: ±0.5 °C (at 0.0 to 35.0 °C), or other Humidity: ±5 % rh (at 25 °C) |
| Data memory |
8000 data x 2ch (temperature, humidity, 60-minute intervals, total 333 days) |
| Recording interval |
2 to 30 seconds, 1 to 60 minutes, 14 settings |
| Power supply |
2 x 1.5 V, LR03 (AAA) alkaline dry cell batteries, lifetime approx. 1 year (recording interval 1 minute) |
| Dimensions, mass |
57 mm(2.24 in)W × 74 mm(2.91 in)H × 19.5 mm(0.77 in)D, 70 g (2.5 oz) |
| Accessories |
HUMIDITY SENSOR 9680-50 (1), LR03 alkaline dry cell batteries (2) |
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