Descripción
The HOBO Motor On/Off data logger records motor on and off conditions within an AC magnetic field with its internal sensor, or mechanical contact closures from external sensing devices. This data logger is ideal for tracking the usage and runtimes of motors, pumps, compressors, and other equipment. The HOBO UX90-004M Motor 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
| Internal Motor Sensor | |
| AC Magnetic Field Threshold | > 40 mGauss at 60 Hz |
| External Input | |
| External Contact Input | Electronic solid state switch closure or logic driven voltage output |
| Range | 0 to 3 V DC (USB powered), 0 to 2.5 V DC (battery powered) |
| Maximum State and Runtime Frequency | 1 Hz |
| Solid State Switch Closure | Input Low: < 10 K Ohms; Input High: > 500 K Ohms |
| Internal Weak Pull-Up | 100 K Ohms |
| Input Impedance | Solid state switch closure: 100 K Ohms pull up |
| Logger | |
| Resolution | Pulse: 1 pulse, Runtime: 1 second, State and Event: 1 State or Event |
| Time Accuracy | ±1 minute per month at 25°C (77°F) |
| Battery Life | 1 year, typical with logging intervals greater than 1 minute and normally open contacts |
| 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 |
| 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 8.48 x 1.52 cm (1.44 x 3.34 x 0.6 in.) |
| Weight | 30 g (1.06 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 |
|
|---|---|
| Unique Features | Dual internal motor sensors gives better sensitivity for well-shielded motors External input for measuring mechanical contact closures when signal strength is low Auto-calibration of ON and OFF thresholds ensures reliable readings 512KB memory |
| Safety Approval | CE |
| Interfaces I/O | USB |
| IP Rating | IP50 |
| Product Weight | 30 GRAMS (0.066 LBS) |
| Product Height | 1.44 IN |
| Product Length | 3.34 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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