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 UX90-002M Light On/Off Data Logger is available in an expanded 512KB memory version capable of over 346,795 measurements.
IMPORTANT: This HOBO data logger requires HOBOware software and a communications device.
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 | 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 |
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).
Tech Specs
Test Equipment General Attributes |
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|---|---|
| Unique Features | Auto-calibration of ON and OFF thresholds ensures reliable readings User adjustable sensitivity control for low/high light level conditions Highly recommended light pipe accessory eliminates effects of ambient light to ensure the most accurate readings 512KB memory |
| Safety Approval | CE |
| Interfaces I/O | USB |
| IP Rating | IP50 |
| Product Weight | 23 GRAMS (0.051 LBS) |
| Product Height | 1.44 IN |
| Product Length | 2.34 IN |
| Product Width | 0.6 IN |
| Data Logging | Yes |
| Battery Type | CR2032 |
| Power Supply Voltage | Battery Powered |
| Country of Origin | United States |
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