Major tech MT993 Instruction Manual
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Major tech MT993 Instruction Manual

Multifunction loop calibrator
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INSTRUCTION MANUAL
MT993
MULTIFUNCTION LOOP CALIBRATOR

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Summary of Contents for Major tech MT993

  • Page 1 INSTRUCTION MANUAL MT993 MULTIFUNCTION LOOP CALIBRATOR...

  • Page 3: Table Of Contents

    Page no Contents 1. Safety Instructions.................4 2. Product Overview ................4 2.1. Function Introduction ..............4 2.2. Interface Terminal ..............5 2.3. Power & Charge ..............5 3. Button Panel Introduction ..............6 3.1. Button Function Operation Description ........6 4. Display and Signal Description ............7 4.1.

  • Page 4: Safety Instructions

    • When there is any quality problem with the instrument or when there is a question about using the instrument. You can contact Major Tech customer service and we will resolve it for you.

  • Page 5: Interface Terminal

    2.2. Interface Terminal There are 4 inner diameter 4mm wiring ports on the top surface, which are represented by different colour rings The blue port (IN-) is an alternate function, and it is also an input-, which can be switched to a 24V independent test power supply. The (IN-) port is internally shorted with the black (COM) port in the input state.

  • Page 6: Button Panel Introduction

    3. BUTTON PANEL INTRODUCTION All buttons are made of white translucent silicone material. The colour LED backlight is set under the buttons, which can make the key surface change colour with the change of function and mode, providing a more intuitive status indication.

  • Page 7: Display And Signal Description

    4 - (FN) Exit Return key: In the main interface, click (FN), it will turn into a red light to activate the downshift function of other keys (enter different modes, etc.). In the setting interface, the function of (FN) is to return. 5 - (Main Interface): Main display interface 6 - (PRESET) Up function key: When the key is white, it is to add value or select upward (when the output pulse is quantitative and the...

  • Page 8: Ma Current Signal

    Output Circuit Voltage: The MT993 can set current output no-load voltage. The purpose of 12V is to save power. Some devices require a 24V drive capability.

  • Page 9: Loop Detection

    Operating Instructions In PWM Mode: PWM displays two parameters, the frequency value (that is, the period value) and the duty cycle. The frequency value will be displayed in the original engineering quantity position (no engineering quantity display). Note that the maximum frequency does not exceed 9999Hz.The frequency value/duty cycle parameters can be set when outputting.

  • Page 10: Extensions

    port outputs 24V voltage between the (24V) port and the (COM) port. It does not affect the detection type of the input signal by the (IN+) port. In this case, select mA for the input signal type. Then the (IN-) port can be combined with the (IN+) port to form a 24V output, and at the same time to detect the current loop.

  • Page 11: Signal Conversion

    5.3. Signal Conversion The input signal is converted into an output signal. For example: the input frequency signal is converted into a current signal, and the input range is 0-1000hz and converted into 4-20mA Parameter Settings: 1. Input upper limit/input lower limit: the amplitude range of the input signal 2.

  • Page 12: Real-Time Curve

    Instructions: 1. Start and Exit: When the main interface (FN) is red, press the left key (AUTO) to start/exit the programming output mode. 2. Up, Down, Left and Right keys: After starting the programming output mode, the backlight of the up, down, left and right keys will turn blue.

  • Page 13: Fault Resolution & Equipment Maintenance

    Current/Voltage/Frequency 7. FAULT RESOLUTION & EQUIPMENT MAINTENANCE 7.1. Fault Resolution No response when the MT993 is turned on： 1. Determine if the battery has power and if the indicator light is on when charging. 2. Firmware upgrade error operation leads to system crash.

  • Page 14: Equipment Maintenance

    Do not place this unit in places with high humidity, dust, direct sunlight, outdoors, or near high temperatures. 7.3. Firmware Upgrade MT993 uses USB emulated U disk for firmware upgrade. Upgrade Steps： 1. Plug the meter into the PC, and turn it on. Wait for the PC to recognize the USB drive named "Bootloader".
  • Page 16 MAJOR TECH (PTY) LTD South Africa Australia www.major-tech.com www.majortech.com.au sales@major-tech.com info@majortech.com.au...

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