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Designed for wireless data logging, this battery-powered logger records temperature and light intensity across two channels from internal sensors. It transfers readings to a phone or tablet over Bluetooth Low Energy. Submersible and waterproof to 30 m (100 ft), it works great for underwater and outdoor temperature monitoring.
Designed for wireless data logging, this battery-powered logger records temperature and light intensity across two channels from internal sensors. It transfers readings to a phone or tablet over Bluetooth Low Energy. Submersible and waterproof to 30 m (100 ft), it works great for underwater and outdoor temperature monitoring.
Designed for durability, this compact waterproof logger is ideal for measuring temperature in streams, lakes, oceans, and soil environments. Data collection in the field has never been easier!
Remotely access your data in Onset's cloud-based HOBOlink software with the new MX Gateway.
Features
Applications
| Temperature sensor range | -4° to 158°F (-20° to 70°C) in air -4° to 122°F (-20° to 50°C) in water |
| Temperature sensor accuracy | ±0.5°C from -20° to 70°C (-4° to 158°F) |
| Temperature sensor resolution | 0.072°F (0.04°C) |
| Drift | less than 0.1°C (0.18°F) per year |
| Response time | 17 minutes typical to 90% in air moving 1 m/s, unmounted 7 minutes typical to 90% in stirred water, unmounted |
| Radio power | 1 mW (0 dBm) |
| Transmission range | Approximately 100 ' (30.5 m) line-of-sight |
| Wireless data standard | Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) |
| Logger operating range | -4° to 158°F (-20° to 70°C) in air |
| Logging rate | 1 second to 18 hours |
| Buoyancy (fresh water) | 0.07 oz (2 g) positive |
| Waterproof to | 100 ' (30.5 m) |
| Memory | 96,000 measurements |
| 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 in software. 2 years typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off in software. |
| Time accuracy | ±1 minute per month at 25°C (77°F) |
| Full memory download | Approximately 45 seconds; may take longer the farther the device is from the logger |
| Wetted materials | Polypropylene case, EPDM O-ring |
| Light sensor range | 0 to 167,731 lux (15,582 lum/ft2) |
| Light sensor accuracy | ±10% typical for direct sunlight |
| Dimensions | 0.69" x 1.32" x 2.22" (1.8 x 3.35 x 5.64 cm) |
| Weight | 0.45 oz (12.75 g) |
| Temperature sensor range | -4° to 158°F (-20° to 70°C) in air -4° to 122°F (-20° to 50°C) in water |
| Temperature sensor accuracy | ±0.5°C from -20° to 70°C (-4° to 158°F) |
| Temperature sensor resolution | 0.072°F (0.04°C) |
| Drift | less than 0.1°C (0.18°F) per year |
| Response time | 17 minutes typical to 90% in air moving 1 m/s, unmounted 7 minutes typical to 90% in stirred water, unmounted |
| Radio power | 1 mW (0 dBm) |
| Transmission range | Approximately 100 ' (30.5 m) line-of-sight |
| Wireless data standard | Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0) |
| Logger operating range | -4° to 158°F (-20° to 70°C) in air |
| Logging rate | 1 second to 18 hours |
| Buoyancy (fresh water) | 0.07 oz (2 g) positive |
| Waterproof to | 100 ' (30.5 m) |
| Memory | 96,000 measurements |
| 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 in software. 2 years typical at 25°C (77°F) with logging interval of 1 minute and Bluetooth Always Off in software. |
| Time accuracy | ±1 minute per month at 25°C (77°F) |
| Full memory download | Approximately 45 seconds; may take longer the farther the device is from the logger |
| Wetted materials | Polypropylene case, EPDM O-ring |
| Light sensor range | 0 to 167,731 lux (15,582 lum/ft2) |
| Light sensor accuracy | ±10% typical for direct sunlight |
| Dimensions | 0.69" x 1.32" x 2.22" (1.8 x 3.35 x 5.64 cm) |
| Weight | 0.45 oz (12.75 g) |
