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MEASUREMENT SPECIFICATIONS OM-51 STATE DATA LOGGER Inputs: two inputs; a magnetic sensor mounted in the datalogger and an external cable for detecting contact closures (external cable is included). Spacing Between Data logger and External Magnet: closed, less than or equal to 3/4"; open, greater than or equal to 3/4" (external magnet is included) External Contact Input: passive relay switch or contact closure OM-52 MOTOR ON/OFF DATA LOGGER Sensor Type: AC field sensor Magnetic Field Threshold: approx. 2 Gauss at 60 Hz; the logger will typically work with AC motors drawing 1A or more Mounting: mount the data logger on or close to the motor housing or to one phase of the power line to the equipment being monitored Angular Response: the datalogger is sensitive to that part of the AC field that is perpendicular to the data logger's face |
GENERAL SPECIFICATIONS Measurement Capacity: 2000 state changes Time Resolution: 0.5 seconds Minimum State Duration: 0.5 seconds Memory Modes: stop when full, wrap-around when full (user selectable) Memory: non-volatile EEPROM memory retains data even if battery fails Operation: blinking LED lights show current state Time Accuracy: ±1 minute per week at 20°C (68°F) Operating Temperature: -20 to 70°C (-4 to 158°F) Operating Humidity: 0 to 95% non-condensing Storage Temperature: -20 to 70°C (-4 to 158°F) Power: 3.6 V lithium battery Battery Life: 1 year Dimensions: 2.4"H x 1.9"W x 0.8"D (68 x 48 x 19 mm) Weight: 1 oz (29 g) |
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