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The pulse input data logger OM-CP-PULSE101A is a low-cost recording device that will sense a pulse input or contact closure from external sources such as transducers or pulse initiators (gas, water, and electric meters) and transform those inputs into engineering units. In addition, this data logger allows the user to store user defined units such as gallons/min into the device as well as scale factors and offset values. This enables the user to easily linearize and scale any transducer that provides a pulse or contact closure output to any user required units automatically.

Once activated the data logger senses and records the number of pulses/contact closures that occur within adjacent “time bin” periods. The bin period is selectable from 1 second to over 24 hours. At the end of each bin period, the total number of pulses/counts within the bin period is recorded. The data logger then starts another bin period and continues until either the memory is full or the test period has ended. 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 empty COM port and our easy-to-use software does the rest. The software converts your PC 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. 

Specifications

Input Connection: Removable screw terminal

Maximum Pulse Rate: 10 KHz

Input Range: 0 to 30 Vdc continuous

Input Low: <0.4V

Input High: >2.8V

Internal Weak Pull-Up: <60 µA

Input Impedance: >60 kΩ

Minimum Pulse Width/Contact Closure Duration: ≥10 microseconds

Reading Rate: 1 reading every second to 1 every 24 hours

Start Modes:

• Immediate start
• Delay start up to 18 months
• Multiple pushbutton start/stop

Multiple Start/Stop Mode: Start and stop the device multiple times without having to download data or communicate with a PC

Multiple Start/Stop Mode Activation: To start the device press and hold the pushbutton for 5 seconds, the device has started logging; to stop the device press and hold the pushbutton for 5 seconds while the device is logging, the device has stopped logging

Memory: 500,000 readings; software configurable memory wrap 250,000 readings in multiple start/stop mode

Memory Wrap Around: Yes (software selectable)

Real-Time Recording: The device may be used with PC to monitor and record data in real-time

LED Functionality:

• Green LED Blinks: 10 second rate to indicate logging; 15 second rate to indicate delay start mode
• Red LED Blinks: 10 second rate to indicate low battery and/or full memory; 1 second rate to indicate  an alarm condition

Password Protection: An optional password may be programmed into the device to restrict access to configuration options. Data may be read out without the password.

Engineering Units: Native measurement units can be scaled to display measurement units of another type. This is useful when monitoring outputs from different types of sensors such as flow rate, wind speed and more.

Battery Type: 3.6V lithium battery (included); user replaceable

Battery Life: 10 years typical, dependent upon frequency and duty cycle (see chart)

Time Accuracy: ±1 minute/month at 20ºC (68ºF), stand alone data logging

Computer Interface: USB (interface cable required); 115,200 baud

Software: XP SP3/Vista and 7 (32 and 64-bit)

Software: XP SP3/Vista/Windows 7 (32 and 64-bit)

Dimensions:

• Data Logger: 36 H x 56 W x 16 mm D (1.4 x 2.2 x 0.6″)
• Waterbox Enclosure: 74 H x 148 W x 39 mm D (2.9 x 5.8 x 1.5″)

Weight: 24 g (0.9 oz)

Materials:

•   Data Logger: ABS Plastic
•   Waterbox Enclosure: Black anodized aluminum