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HOBO Pendant - Event Data Logger

Manufacturer:
The HOBO Pendant Event Data Logger is ideal for rainfall logging and connects to most standard tipping-bucket rain gauges to determine rainfall rates, times, and duration.
Part Number: UA-003-64
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$273.00 ex GST
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Pendant design for easy use in in the field

The HOBO Pendant Event Data Logger is ideal for rainfall logging and connects to most standard tipping-bucket rain gauges to determine rainfall rates, times, and duration. The HOBO Pendant Event records momentary contact events and temperature. Event data is only stored when it happens, which results in efficient memory usage while still providing detailed event data. For accurate temperature measurement in sunlight a solar radiation shield is required (RS1 Solar Radiation Shield, assembly required; M-RSA pre-assembled Solar Radiation Shield).


Features

  • Ideal for recording rainfall with tipping-bucket rain gauges
  • Records tips or momentary contact closures and temperature
  • Event-based data storage provides detailed data and efficient memory usage
  • Stores over 16,000 tips (160 in. of rainfall with a 0.01 in. rain gauge)
  • Includes scaling to inches, millimeters or other units

For a self-contained rainfall logger, see the HOBO RG3 which includes a data logger integrated into a tipping-bucket rain gauge.

HOBO Pendant Event Data Logger

The Pendant can store 16,000 events, which is 160 inches of rain. This product's optical interface allows for easy offloading. What's more, with the addition of a solar radiation field, researchers can also collect ambient temperature readings with this logger. The Pendant Event data logger syncs with HOBOware Pro software for expert analysis and graphing.


Technical Information

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 (-4° to 158°F)
Accuracy ±0.53°C from 0° to 50°C (±0.95°F from 32° to 122°F), see Plot A. A solar
radiation shield is required for accurate temperature measurements in
sunlight.
Resolution 0.14°C at 25°C (0.25°F at 77°F), see Plot A in Manual
Drift Less than 0.1°C/year (0.2°F/year)
Response Time Airflow of 2 m/s (4.4 mph): 10 minutes, typical to 90%

Logger

Time Accuracy ±1 minute per month at 25°C (77°F), see Plot B in Manual
Operating Range -20° to 70°C (-4° to 158°F)
Environmental Rating Tested to NEMA 6 and IP67; suitable for deployment outdoors
Drop Specification 1.5 m (5 ft) onto concrete
NIST Traceable Certification Available for temperature only at additional charge; temperature range
-20° to 70°C (-4° to 158°F)
Battery CR-2032 3V lithium battery; 1 year typical use
Memory 64K bytes; see Data Storage.
Materials Polypropylene case; stainless steel screws; Buna-N o-ring; PVC cable
insulation
Weight 50 g (1.7 oz.)
Dimensions 71 x 33 x 23 mm (2.8 x 1.3 x 0.9 inches); 1.8 m (6 ft) cable
The CE Marking identifies this product as complying with all relevant directives in the European Union (EU).

HOBOware Software

HOBOware software is used for launching, reading out, and plotting data from HOBO® data loggers. With HOBOware, you can also check logger status, filter and export data, save changes to graphs in project files, and scale data with the Linear Scaling and Pulse Scaling data assistants. There are two versions of HOBOware: HOBOware and HOBOware Pro.


HOBOware Standard features

  • Simple menus for fast, easy logger setup and readout
  • Point & click for fast setup and readout
  • Scaling to real-world engineering units
  • Presentation-quality graphs
  • Easy export of data files to text or Excel format

FREE DOWNLOAD


Learn more about HOBOware and HOBOware-Pro Features >>


IMPORTANT: This HOBO data logger requires HOBOware software and a communications cable (see related products below)


Pendant design for easy use in in the field

The HOBO Pendant Event Data Logger is ideal for rainfall logging and connects to most standard tipping-bucket rain gauges to determine rainfall rates, times, and duration. The HOBO Pendant Event records momentary contact events and temperature. Event data is only stored when it happens, which results in efficient memory usage while still providing detailed event data. For accurate temperature measurement in sunlight a solar radiation shield is required (RS1 Solar Radiation Shield, assembly required; M-RSA pre-assembled Solar Radiation Shield).


Features

  • Ideal for recording rainfall with tipping-bucket rain gauges
  • Records tips or momentary contact closures and temperature
  • Event-based data storage provides detailed data and efficient memory usage
  • Stores over 16,000 tips (160 in. of rainfall with a 0.01 in. rain gauge)
  • Includes scaling to inches, millimeters or other units

For a self-contained rainfall logger, see the HOBO RG3 which includes a data logger integrated into a tipping-bucket rain gauge.

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