GRAPHTEC gl200a User Manual

midi LOGGER
SERVICE MANUAL
200/ 200A
GL200-UM-251
GL200-UM-251-05-9370

GRAPHTEC gl200a Specifications

General

Model	GL200A
Communication Interface	USB 2.0
Dimensions	180 × 106 × 40 mm
Weight	Approx. 450 g
Resolution	12-bit
Power Supply	AC adapter
Sampling Speed	Up to 10 ms
Power	AC adapter
Input Types	Voltage, Temperature, Pulse

Summary

TO ENSURE SAFETY

2. UPGRADING THE FIRMWARE

2.1 How to Upgrade the GL200/A Flash ROM from the USB memory device

Step-by-step guide to upgrade firmware using a USB memory device.

3. DISASSEMBLY AND REASSEMBLY

3.1 Notes on Disassembly and Reassembly

3.3 Disassembling the Top Cover and the Bottom Case Assembly

3.4 Replacing the Main Control Board

Detailed steps for removing and replacing the main control board.

3.5 Replacing the Control Panel Board

3.6 Replacing the LCD

3.7 Replacing the AMP Board

3.8 Replacing the Input Terminal Board

4. SETUP PROCEDURES

4.1 Entering the System Setup Menu

4.2 AC Line cycle Setting

4.3 Performing Setup1 (Voltage Input)

Procedure for voltage input setup, typically after AMP board replacement.

4.4 Performing Setup2 (Room Temperature Compensation)

Steps for room temperature compensation setup, using a zero controller.

5. INSPECTION AND CHECK PROCEDURES

5.1 Inspection and Check Methods

5.1.1 Measurement Accuracy

Procedure to check the voltage accuracy across different measurement ranges.

5.1.2 Temperature Accuracy

Procedure to check temperature accuracy using compensation leads and a zero controller.