Descripción
The HOBO Light On/Off data logger monitors indoor light changes with an internal sensor and records light on and off conditions, making it ideal for building energy audits and light usage analysis. The HOBO UX90-002 Light On/Off Data Logger is available in a standard 128 KB memory model (UX90-002) capable of 84,650 measurements and an expanded 512KB memory version (UX90-002M) capable of over 346,795 measurements.
Environment:
The UX90-002 Data Logger is for use in Indoor environments.
Measurements:
The UX90-002 Data Logger supports the following measurements:Light On/Off.
Manufacturer Specs
| Light Threshold | > 65 lux |
| Light Type | LED, CFL, fluorescent, HID, incandescent, natural |
| Accuracy | ±1 minute per month at 25°C (77°F) (see Plot A) |
| Battery Life | 1 year typical use |
| Memory | |
| UX90-002 | 128 KB (84,650 measurements, maximum) |
| UX90-002M | 512 KB (346,795 measurements, maximum) |
| Download Type | USB 2.0 interface |
| Download Time | 10 seconds for 128 KB; 30 seconds for 512 KB |
| Logger Operating Range | |
| Logging | -20° to 70°C (-4° to 158°F); 0 to 95% RH (non-condensing) |
| Launch/Readout | 0° to 50°C (32° to 122°F) per USB specification |
| Launch/Readout | 0° to 50°C (32° to 122°F) per USB specification |
| LCD | LCD is visible from: 0° to 50°C (32° to 122°F); the LCD may react slowly or go blank in temperatures outside this range |
| Size | 3.66 x 5.94 x 1.52 cm (1.44 x 2.34 x 0.6 in.) |
| Weight | 23 g (0.81 oz) |
| Environmental Rating | IP50 |

Tech Specs
Test Equipment General Attributes |
|
|---|---|
| Unique Features | 128 KB (84,650 measurements, maximum) |
| Safety Approval | CE |
| Interfaces I/O | USB |
| IP Rating | IP50 |
| Product Weight | 23 GRAMS (0.051 LBS) |
| Data Logging | Yes |
| Power Supply Voltage | Battery Powered |
| Country of Origin | United States |




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