JFE Advantech MK-750ST-E User Manual

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Instruction manual

for

Gas Leak Viewer

MK-750ST-E

Thank you very much for purchasing our Gas leak viewer MK-750ST-E.

This operation manual contains essential information and tips for proper

and effective use of the instrument. Please read this manual thoroughly

before commencing operation and keep the manual in a secure place for

future reference.

Table of Contents

Questions and Answers:

M
Michelle LaneAug 7, 2025
What to do if JFE Advantech Gas Detectors display shows or?
- B
  Brandon KramerAug 7, 2025
  If the display shows or, it indicates that the instrument’s operational temperature is exceeded, or the internal temperature is too high. Avoid using the instrument in high-temperature environments exceeding 45°C, or limit use to short periods (several minutes) in such conditions. Also, avoid leaving it powered on for extended periods in enclosed spaces. Turn the power off and restart after the instrument's temperature has decreased.
J
Jennifer ThomasAug 14, 2025
Why JFE Advantech Gas Detectors display does not show sound pressure map or is not stable?
- T
  Tony SmithAug 14, 2025
  If the display doesn't show a sound pressure map or it's unstable, it could be due to a low ultrasonic wave. Try increasing the Gain. Alternatively, no ultrasonic wave might be generated or it might be below the detection level. If there is no sound source this is normal. To confirm, use an oscillator (MP-161-S001) or a simulative sound source (ultrasonic sound source) to see if your instrument shows a sound pressure peak.

JFE Advantech MK-750ST-E Specifications

General

Measurement Range	0 to 100% LEL
Weight	Approx. 200g
Detection Gas	Combustible Gas
Alarm Type	Audible and Visual
Operating Temperature Range	-10°C to +50°C
Installation Location	Indoor
Response Time	Within 30 seconds
Dimensions	120 x 80 x 40 mm
Power Supply	DC 24V or Battery