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Get a Starter Kit!
*DI-194RS
*10-Bit Resolution
*WinDaq Software
*Cable Included
*Only $24.95
Graphtec GL900 midi Data Logger
Handheld 8-channel Data Logger
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- View the Multimedia Demonstration videos for an in-depth look at some of the many great features in the Graphtec Data Loggers.
- Built-in 5.7" TFT LCD Color Display
- Stand-alone or PC-connected operation
- High-speed Sampling
- Analog channel isolation
- 20mV to 500V full-scale measurements
- Four alarm outputs
- Optional battery pack
- USB and Ethernet PC interfaces.
| Note: The GL900, GL800 and GL200A are NOT compatible with WinDaq or WinDaq/XL Software packages. | ||||||||||||||||||||||||||||||||||||||
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Product Highlights
With its color monitor and internal memory the GL900 is a self-contained, compact, lightweight, multi-channel data logger with 8 analog measurement channels, each with input-to-output and channel-to-channel isolation. Measurements per channel of 20mV to 500VFS across 14 programmable ranges allow the GL900 to adapt to a wide range of signal types, including thermocouple-based temperatures (K,J,E,T,R,S,B,N,W) and process current (4-20 mA). Up to four pulse channels can count and measure speed using an optional cable, and Humidity measurements are also possible with an optional sensor. The GL900 may be configured to trigger up to four different alarm outputs as a function of measured values.
The GL900 allows data to be recorded to internal high-speed volatile RAM memory (64 MB) at rates as fast as 100,000 Hz. The unit also provides built-in non-volatile memory (256 MB) and accepts external USB flash drives (2 GB maximum file size) for lower speed sampling as fast as 1,000 Hz. The minimum sample rate for all memory configurations is one sample per minute.
The GL900 features built-in USB and Ethernet ports to facilitate data transfer to a connected PC either in real time or from its memory for analysis and archiving. Measurement protocols may also be uploaded from the PC to the instrument.
An optional battery pack allows power-independent operation and failsafe measurement continuity during a power failure.
8 Channels Measure Voltage, Current, and Temperature
Measure from 20mV to 500V full scale, as well as process current (4-20mA) and temperature measurements using type J,K,E,T,R,S,B,N, or W thermocouples.
Electrical Isolation Per Channel
The GL900’s eight analog input channels offer electrical isolation to allow accurate measurements in industrial applications where ground potential differences are often encountered.
High-speed Sampling
Depending upon the destination memory (internal RAM, flash, or external USB flash drive) sample rates as fast as 100,000 Hz are supported.
Four Unique ‘Pulse’ Inputs for Discrete Measurements
The GL900 provides discrete input channels that can be used for counting and rotational speed or flow measurement applications. Or program the discrete inputs as simple logic level input channels.
Four Alarm Outputs
Program the GL900 to trigger its open-collector outputs as a function of analog input signal level judgment, pulse judgment, or logic pattern.
Real Time Calculations
The GL900 may be programmed to calculate average value, peak value, minimum value, and rms. You can also generate calculated channels as a function of arithmetic operations in real time.
Bright TFT LCD Color Display
The focal point of the GL900 is its built-in color display that allows real time trending, data review, and complete instrument configuration.
Engineering Units Scaling
Each GL900 channel allows up to four break points to be programmed for accurate scaling into meaningful units like psi, grams, newtons, gallons per minute, liters, etc.
Flexible Triggering Options
The GL900 allows data capture to be started or stopped based upon a manual keystroke or automatically based upon signal level, an external event, date/time, alarm, duration, or Boolean channel combinations. Analog signal triggers can be programmed based upon level and window tests: above threshold, below threshold, inside window, or outside window.
Flexible Power Requirements
Power the GL900 from its provided international AC adaptor, from an optional built-in battery pack, or from any 9 to 24 VDC source using an optional cable.
PC Connectivity via USB or Ethernet
Allows data transfer to the PC either in real time or from the GL900’s memory. Also allows complete configuration of the GL900.
PC Software Bundle Included
The GL900 includes a Windows application for direct capture, measurement, and monitoring of GL900 data as well as analysis (FFT, X-Y plots, etc). The application can export data to an Excel file for further analysis and report creation. The software includes built-in help for quick reference.
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Data Acquisition Product Links: (click on text to jump to page) Data Acquisition | Data Logger | Chart Recorder | Thermocouple |
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| © 2008 DATAQ Instruments, Inc. All rights reserved. Date last edited 12/17/2008. |  Webmaster |