Description
Temperature Sensor (MX2201 and MX2202)
| Range |
-20° to 70°C in air(-4° to 158°F in air)-20° to 50°C in water(-4° to 122°F in water)
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| Accuracy |
0.5°C from -20° to 70°C(±0.5°C from -4° to 158°F)
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| Resolution |
0.04°C(0.072°F)
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| Drift |
<0.1°C per year(<0.18°F per year)
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| Response Time |
17 minutes typical to 90% in air moving 1 m/s, unmounted
7 minutes typical to 90% in stirred water, unmounted
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Light Sensor (MX2202) |
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| Range |
0 to 167,731 lux(0 to 15,582 lum/ft2)
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| Accuracy | ±10% typical for direct sunlight (see Light Measurement on page 2 for more details) | ||||
Logger |
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| Logger Operating Range |
-20° to 70°C in air(-4° to 158°F in air)
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| Buoyancy (Fresh Water) |
2 g positive(0.07 oz positive)
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| Waterproof |
To 30.5 m(To 100 ft)
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| Radio Power |
1 mW(0 dBm)
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| Transmission Range |
Approximately 30.5 m line-of-sight(Approximately 100 ft line-of-sight)
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| Wireless Data Standard | Bluetooth Low Energy (Bluetooth Smart) | ||||
| Logging Rate | 1 second to 18 hours | ||||
| Time Accuracy |
±1 minute per month at 25°C(±1 minute per month at 77°F)
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| Time Accuracy | ±1 minute per month at 25°C (77°F) | ||||
| Battery | CR2032 3V lithium, user replaceable | ||||
| Battery Life |
1 year typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always On enabled in software.
2 years typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always On disabled in software.
Faster logging intervals and statistics sampling intervals, burst logging, remaining connected with the app, excessive downloads, and paging may impact battery life.
To ensure proper battery installation, see Battery Information for detailed instructions on replacing the battery.
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| Memory | 96,000 measurements | ||||
| Full Memory Download Time | Approximately 45 seconds; may take longer the farther the device is from the logger | ||||
| Wetted Materials | Polypropylene case, EPDM O-ring | ||||
| Dimensions |
3.35 x 5.64 x 1.8 cm(1.32 x 2.22 x 0.69 inches)
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| Weight |
12.75 g(0.45 oz)
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| Environmental Rating | IP68 | ||||
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