Onset
Temp Bluetooth 2 External Sensor
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Pickup available at EUCA Head Office
Usually ready in 24 hours
Temp Bluetooth 2 External Sensor
EUCA Head Office
Pickup available, usually ready in 24 hours
Clearwater Office Park
Parkhaven, Block H Ground Floor
Boksburg
Gauteng
1459
South Africa
A weatherproof data logger with two external temperature sensors. Leveraging Bluetooth technology for easy setup and data download directly to your mobile device or Windows computer running Onset's free HOBOconnect app, this logger delivers high-accuracy measurements in harsh outdoor environments.
Documentation
Data SheetUser Manual
Highlighted Features
- Convenient wireless setup and download via Bluetooth (100-foot range)
- Retrieve data in hard-to-reach locations
- Visual alarms alert you to out-of-range conditions
- Compact, weatherproof housing with built-in mounting
- View current data in real-time with Onset’s free HOBOconnect app
- Share downloaded data easily from your mobile device
- Accuracy: +/- 0.2C°
Specifications
| Feature | Specification |
|---|---|
| Temperature Sensor | |
| Range | -40 to 100°C (-40 to 212°F); Tip and cable immersion in fresh water up to 50°C (122°F) for one year |
| Accuracy | ±0.25°C from -40 to 0°C (±0.45 from -40 to 32°F) |
| ±0.2°C from 0 to 70°C (±0.36 from 32 to 158°F) | |
| ±0.25°C from 70 to 100°C (±0.45 from 158 to 212°F) | |
| Resolution | 0.04°C (0.072°F) |
| Drift | <0.01°C (0.018°F) per year |
| Response Time (typical, to 90% of change) | |
| Without Solar Radiation Shield | 3 minutes in air moving 1 m/sec; 20 seconds in stirred water |
| With RS1/M-RSA Solar Radiation Shield | 7 minutes in air moving 1 m/sec |
| With RS3-B Solar Radiation Shield | 4 minutes in air moving 1 m/sec |
| Logger | |
| Operating Range | -40° to 70°C (-40° to 158°F) |
| Radio Power | 1 mW (0 dBm) |
| Transmission Range | Approximately 30.5 m (100 ft) line-of-sight |
| Wireless Data Standard | Bluetooth Low Energy (Bluetooth Smart) |
| Logging Rate | 1 second to 18 hours |
| Memory | 128 KB (84,650 measurements, maximum) |
| Battery Type | 2/3 AA 3.6 Volt lithium, user replaceable |
| Battery Life | 2 years, typical with a logging interval of 1 minute and Bluetooth Always On enabled; 5 years, typical with a logging interval of 1 minute and Bluetooth Always On disabled. |
| Physical | |
| Dimensions | Logger housing: 10.8 x 5.08 x 2.24 cm (4.25 x 2.0 x 0.88 in.) |
| Weight | Logger: 75.5 g (2.66 oz) |
| Materials | Acetal, silicone gasket, stainless steel screws |
| Environmental Rating | NEMA 6 and IP67 |
Applications
In what environment does this data logger operate?
This data logger operates in an outdoor environment.
What measurements does this data logger support?
The MX2303 data logger supports the following measurement: Temperature