Testing, Analysis and Measurement

Joman 本社

EstablishmentJanuary 2017
capital700Ten thousand
number of employees4
addressOita/Beppu-shi/8th Floor, Alliance Tower Z, 3-7 Tano-yu Town
phone0977-75-9781
last updated：
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Joman Product Lineup

856～860 item / All 860 items

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Nitrogen Dioxide Detector JS8806

This product is a portable nitrogen dioxide detector that displays the measurement of combustible gas concentration on the LCD screen when nitrogen dioxide gas is detected.

It is equipped with a user-configurable low concentration/high concentration alarm function. When the detected value exceeds the pre-set alarm threshold, it warns with three types of alarms: sound, light, and vibration.

  • Other measurement, recording and measuring instruments

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Carbon Monoxide Detector JS8807

When carbon monoxide gas is detected, the gas concentration is displayed on the LCD screen.

There is a user-configurable low/high concentration alarm function. When the detection results exceed the pre-set alarm values, it will issue a warning with a beep sound, visual alarm, and vibration alarm.

  • Other measurement, recording and measuring instruments

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Hydrogen Detector JS8809

This device is a portable hydrogen (LEL) detector. When this product detects hydrogen, the measured hydrogen concentration will be displayed on the LCD screen.

It is equipped with a user-configurable low concentration/high concentration alarm function. When the detection results exceed the pre-set alarm settings, it alerts the user with sound, light, and vibration. When the detection results exceed the pre-set alarm settings, it alerts the user with sound, light, and vibration.

  • Other measurement, recording and measuring instruments

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Flammable Gas Detector JS8902

This product is a portable combustible gas (LEL) detector that displays the concentration of combustible gas on the LCD screen when detected.

Users can set low concentration/high concentration warning functions themselves. When the detection results exceed the pre-set warning values, it will alert the user with sound, light, and vibration.

  • Other measurement, recording and measuring instruments

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Hydrogen Meter JS8909

This device is a portable hydrogen (H2) detector that displays the hydrogen concentration value on the LCD screen when hydrogen is detected.

It is equipped with a user-configurable low concentration/high concentration alarm function. When the detection results exceed the pre-set alarm settings, it warns the user with audio, light, and vibration alarms.

  • Other measurement, recording and measuring instruments

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