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GL500-2-1 Global Logger

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The GL500-2-1 Global Logger features two analog channels and one digital channel for recording data. The datalogger records over 81,000 readings and has four unique recording options: fast (10 samples per second), programmable interval (1 second to multiple years), logarithmic, and exception. Start and stop alarm times can be programmed to synchronize multiple loggers, delay sampling until a preset time, or limit the number of recordings during a day. The GL500U-2-1 USB model is great for direct connection to your laptop or desktop PC. The GL500S-2-1 serial (RS- 232) model is best for communication via modem or CE-based PDA.

GL500-2-1 Three Channel Datalogger for Data Recording

Powerful Monitoring
The GL500-2-1 can monitor two 4-20 mA sensors (0-5 volt inputs are available as a factory option) and features a scalable digital input that accepts switch closure signals and pulses from various external devices. The logger provides switched power to the sensors based on the programmable sample interval and sensor warm up time settings.

Two- and three wire sensors can be quickly connected to the datalogger’s internal terminal strip and calibrated via the included Global Logger II software. The GL500S-2-1 can be accessed through dial-out to an optional remote modem (GL500-Mod) attached to the serial communication port.

Smart Software
The GL500-2-1 includes Global Logger II Windows™ and Windows™-CE PDA software, which allow for easy setup, calibration, upload, and transfer to a spreadsheet program.

• Rugged and easy to use
• Records over 81,000 readings
• Accepts any 4-20 mA signal
• Battery-powered for remote monitoring
• User friendly Windows™ and Windows™

Power Two 9VDC alkaline batteries standard. 8 VDC min. to 24.0 VDC
absolute max.
Standby Current: 65μA typical
Logging Current: 5mA typical plus sensor current

Operating Temperature
Industrial, -40°C to +85°C (batteries may not apply)
Analog Inputs 4-20 mA, 0-5VDC inputs as a factory option
Resolution: 12-bit, 4096 steps
2 channels + battery monitor

Sensor warm-up time: Programmable 0-60 sec
Digital Input Switch closure or pulse input
Maximum Count: 65,535 (16-bit)
Maximum Input Voltage: 24VDC
Maximum Frequency: 100Hz
Minimum Pulse Width: 2mS

Sample Modes Fixed Interval: Programmable from 1 sec. to >1 year
High Speed: 10 samples/sec.
Logarithmic Sample Rate: Approximation
Exception: Log only on programmable deviation from previous reading

Storage Capacity 81,759 recordings of all inputs plus time stamp
Communication Port
GL500S-2-1: RS-232 4-pin circular connector
GL500U-2-1: USB Type B
Selectable Baud Rates: 9600, 19200, 28800, 38400, 57600, 115200
Clock Synchronizes to user’s computer
Data Overwrite Select memory wrap or unwrap

Ordering Information
Global Loggers
GL500U-2-1 USB
GL500S-2-1 RS-232 Serial

GL450-2-1 Weatherproof Enclosure
PDAWL16 Deluxe PDA Package
GL500-Mod Modem Package
1) Additional batteries not included.
2) Compatible only with GL500S-2-1 serial version