The HOBO Pendant Event/Temp Data Logger is a rugged, weatherproof event logger
with a 10-bit temperature sensor. It is ideal for use with tipping-bucket rain gauges,
and can record tens of thousands of measurements and events. The logger uses a
coupler and optical base station with USB interface for launching and data readout by
a computer.
Spezifikationen
External Event Input
Event Sensor
Two-wire interface suitable for measuring mechanical and electrical contact closures
Maximum Input Frequency
1 Hz (1 pulse per second)
Lockout Time
500 ms
Minimum Pulse Width
1 ms (hardware debounce)
Input/Output Impedance
100 kΩ
Edge Detection
Falling edge, contact closure, or Schmitt-trigger buffer
Preferred Switch Type
Normally open. For maximum battery life, the event input should be used with its preferred switch type. The logger will work with normally closed switches, but battery life will be compromised.
Open Circuit Input Voltage
Battery voltage, nominally 3.0 V
Maximum Input Voltage
Battery voltage + 0.3 V
User Connection
24 AWG, 2 leads: white (+), black (-)
Temperature Measurement
Measurement Range
-20° to 70°C
Accuracy
±0.53°C from 0° to 50°C A solar radiation shield is required for accurate temperature measurements insunlight.
Resolution
0.14°C at 25°C
Drift
Less than 0.1°C/year
Response Time
Airflow of 2 m/s: 10 minutes typical to 90%
Logger
Time Accuracy
±1 minute per month at 25°C
Operating Range
-20° to 70°C
Environmental Rating
Tested to NEMA 6 and IP67, suitable for deployment outdoors
Drop Specification
1.5 m onto concrete
NIST Traceable Certification
Available for temperature only at additional charge Temperature range -20° to 70°C
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