Xylem GL500-2-1 Data Logger - Manual (Page 4)

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IV.
Specification:
Power Supply:
Two 9VDC alkaline batteries standard
5 VDC Min. to 24.0 VDC Absolute Maximum
Standby Current: 65uA Typical
Logging Current: 5mA Typical + sensor current
Operating Temperature Industrial, -40ºC to +85ºC (Batteries may not apply)
Analog Sensor Inputs:
4-20mA
Resolution: 12-Bit, 4096 Steps
2 channels + battery voltage monitor
Sensor Warm-up Time: Programmable, 0-60 Seconds
Digital Input: Switch closure input
Maximum Input Voltage: 24VDC
Maximum Frequency: 100Hz
Minimum Pulse Width: 2mS
Maximum Count: 65,535 (16-Bit)
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:
81,759 Recordings for two analog inputs, battery voltage
monitor and date/time stamp
Communication Ports: GL500S-2-1: RS-232 4-pin circular connector
GL500U-2-1: USB Type B
Selectable Baud Rates: Auto Detect or fixed, rates at
9600, 19200, 28800, 38400, 57600, 115200