Xylem GL500 MULTICHANNEL DATA LOGGER - Manual (Page 4)

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IV. GL500 Specification:
Power Supply:
Voltage: 4.2 VDC Min. to 24.0 VDC Absolute Maximum
Standby Current: 70uA Typical
Logging Current: 5mA Typical + sensor current
Operating Temperature
Industrial, -40ºC to +85ºC (Battery may not apply)
Analog Sensor Inputs:
4-20mA (0-5VDC as factory option)
Resolution: 12-Bit, 4096 Steps
7 Input channels + battery voltage monitor
Sensor Warm-up Time: Programmable, 0-60 Seconds
Digital
Inputs: 2 Independent pulse counters
Maximum Input Voltage: 24VDC
Maximum Frequency: 100Hz
Minimum Pulse Width: 2mS
Maximum Count: 65,535 (16-Bit)
Sample Now Input:
Sample-on-Demand input, software enabled
Maximum Input Voltage: 24VDC
Minimum Pulse Width: 2mS
Sample Modes: Fixed Interval: Programmable from 1 Sec. to >1 Year
High Speed: 10 Samples per second
Logarithmic Sample Rate (Approximation)
Exception (Log only on deviation from previous reading)
Storage Capacity:
40,879 Recordings for all inputs plus time stamp
Communication Ports: RS-232 DB9 or USB Type B
Selectable Baud Rates: Auto Detect or Fixed Rates at
9600, 19200, 28800, 38400, 57600, 115200