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Event Data loggers
Part of the NOMAD® Family


Event Data loggers  Part of the NOMAD® Family | OM-CP-EVENT101 and OM-CP-EVENT110

Event Data loggers Part of the NOMAD® Family

See All Models Below

  • Memory: 13,107 Time Stamped Events
  • Miniature Size
  • Memory Wraparound
  • Interfaces to Tipping Bucket Rain Gages and Other Devices with TTL Pulse, Contact Closure Output
  • Real-Time Operation
  • Operational in Minutes


This product is no longer available please see OM-CP-EVENT101A as a direct substitute

The OM-CP-EVENT101 and OM-CP-EVENT110 are low-cost recording devices that will sense a contact closure from external sources such as transducers or pulse initiators (gas, water, and electric meters) and record the time that a particular event has occurred. Once activated the data logger senses and records transition or state changes at the input. Its real time clock ensures that all data is time and date stamped. This is ideal for recording events. The storage medium is non-volatile solid state memory, providing maximum data security even if the battery becomes discharged. Its small size allows it to fit almost anywhere. Data retrieval is simple. Plug it into an available COM port and our easy-to-use software does the rest. The software converts your computer into a real time strip chart recorder. Data can be printed in graphical or tabular format and can be exported to a text or Microsoft Excel file.

Event Resolution: 1 second (records only up to 1 event per second,
works with flow meters that output less than one pulse/second)
Minimum Contact Closure Time: 1 msec
Input Range: 0 to 12 Vdc continuous; (0 to 30 Vdc peak)
Input Low: <0.4V
Input High: >2.7V
Internal Weak Pull-Up: < 500µa
Recommended Duty Cycle for Inputs Greater Than 12 Vdc (Over 1 min Interval @ 25°C): 18V:<50%; 24V:<25%; 30V:<10%
Event Recording: Device records an event when the contact closes
(falling edge of the electrical signal)
Input Connection: Removable screw terminal
Input Impedance: >1 KΩ
Memory Wrap Around: Selectable in software
Real Time Recording: Device may be used with PC
to monitor and record data in real time
Visual Indicator: LED flashes on event
Power: 3.6 V lithium battery included
Battery Life: OM-CP-EVENT101: 1 year at 25°C
OM-CP-EVENT110: 10 years at 25°C
Time Accuracy: ±1 minute per month at 20°C (68°F)
when RS-232 is not in use
Data Format: Date and time stamped
Computer Interface: PC serial, RS-232C COM or USB
(interface cable required)
Communications: OM-CP-EVENT101: 2400 baud
OM-CP-EVENT110: 57600 baud
Software:XP SP3/Vista and 7 (32 and 64-bit)
Operating Environment: -40 to 80°C (-40 to 176°F)
0 to 95% RH non-condensing
Dimensions: OM-CP-EVENT101: 36 H x 64 W x 16 mm D (1.4 x 2.5 x 0.6")
OM-CP-EVENT110: 43 H x 69 W x 20 mm D (1.7 x 2.7 x 0.8")
Weight: OM-CP-EVENT101: 30 g (1 oz)
OM-CP-EVENT110: 60 g (2 oz)
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Replacement 2 position terminal block connector
All prices on this site are shown in Singapore Dollars.
Note: Comes complete with 3.6V lithium battery. Operator’s manual and interface cable are included with the OM-CP-IFC200 software/cable package (required for data logger operation, sold separately). OM-CP-EVENT101 is CE approved only.