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Pendant Event Data Logger

Onset HOBO Data Logger Recording Events, Pulses and Temperature

HOBO Pendant Event and Temperature Data LoggerThe 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 features a 2-wire interface cable for measuring mechanical and electrical contact closures, user-replaceable battery and a 1.5 meter drop specification.

Required Software and Components
>> HOBOWare Software Kit
>> Optic Base Station or Waterproof Data Shuttle

NOTE: NIST Calibration is available.
Large Quantity Discounts Are Available!

Features   Specifications


Description Part Number Qty 1-9 Qty 10+  
HOBO Pendant Event Logger UA-003-64
 $95.00 call
Required Software Kits - 1 Required (Compare HOBOWare Versions)
HOBOware Lite Software Kit for Windows/Mac (includes Software and Cable) BHW-LITE
 $45.00 call
HOBOware Pro Software Kit for Windows (includes Software and Cable) BHW-PC
 $99.00 $92.00
HOBOware Pro Software Kit for Mac (includes Software and Cable) BHW-MAC
 $99.00 $92.00
Communication Kits - 1 Required
Optic USB Base Station (includes Coupler) BASE-U-4
 $115.00 $107.00
Pendant Optic Base Station with Coupler BASE-U-1
 $65.00 $61.00
Waterproof Shuttle Data Transporter/Optic Base Station w/ Couplers - Requires HOBOWare Pro Software U-DTW-1
 $230.00 $214.00
Optional Accessories
Extra/Replacement Batteries (pack of 5) - CR2032 lithium batteries HRB-Temp-5
 $10.00 $8.00
Custom USB Interface Cable Cable-USBMB-HS
 $9.00 $8.00
Pendant Event Logger Features

Pendant Event Logger Specifications

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
Lockout eliminates false readings from tipping-bucket bounce
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 Volts
Maximum Input Voltage Battery Voltage + 0.3 Volts
User Connection 24 AWG, 2 leads: White (+), Black (-)
Temperature Sensor
Measurement Range -20°C to 70°C (-4°F to 158°F)
Accuracy ±0.47°C at 25°C (±0.85°F at 77°F)
A solar radiation shield is required for accurate temperature measurements in sunlight
Resolution 0.10°C at 25°C (0.18°F at 77°F)
Drift Less than 0.1°C/year (0.2°F/year)
Response Time Airflow (2 m/s): 10 minutes, typical to 90%
Time Accuracy ± 1 minute per month at 25°C (77°F)
Operating Range -20°C to 70°C (-4°F to 158°F)
Drop Specification 1.5 m (5 ft) onto concrete
Battery User Replaceable CR-2032 3V Lithium Battery
Battery Life 1 Year with Typical Use
Data Storage Capacity Logger has 64,000 bytes of nonvolatile data storage. Data storage requirements per event are a function of enabled channels and logging interval. When events are three to 12 days apart, 32 bits are required to record a single event (16,000 events). When events are less than 16 seconds apart, only 22 bits are required to record a single event (23,000 events). In most cases, 25,000 to 30,000 data points (including events, temperature, and/or battery measurements) can be logged. For most rain bucket applications, battery life, not memory capacity, will be the factor that limits deployment duration.
Standards Compliance CE, NEMA 6, IP67
Weight 50 g (1.7 oz.)
Dimensions 71mm x 33mm x 23mm (2.8" x 1.3" x 0.9"); 1.8 m (6 ft) cable

Optic USB Base Station

  • Offload and Relaunch Loggers in the Field
  • Optical Infrared Interface
  • Easy USB connection to PC
  • Includes All Couplers and USB Cable

Pendant Optic Base Station and Coupler

  • Offloads and Relaunches Pendant Data Loggers in the Field
  • Optical Infrared Interface
  • Easy USB connection to PC
  • Includes Coupler and USB Cable

Waterproof Shuttle Data Transporter

 

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