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For detailed setup and operation instructions, please select your product below to view the official user guide.

Procedures by Device

Bump Test Procedure

01. What is a bump test?

A bump test is a functional check of a gas detector, performed by briefly exposing the device to a known concentration of target gas. It verifies that the sensor and alarm system (audible, visual, and vibration) respond correctly.

Note: A bump test does not calibrate the sensor—it is solely used to confirm basic operational integrity prior to use.

02. Why is a bump test necessary?

Even though all devices are factory-calibrated, many industries (e.g., oil and gas, mining, fire services, laboratories) require routine bump testing for the following reasons:

To detect sensor failure caused by aging, contamination, or poisoning

To ensure the alarm system functions correctly

To enhance operator safety, especially before entering hazardous or confined spaces

03. Overview of Bump Test Procedure

1. Prepare a standard test gas with a known concentration.
2. Attach the calibration cap to the detector's gas inlet and connect the gas tubing to the cap.
3. ntroduce the test gas (usually until readings stabilize).
4. Verify:

· Does the detector respond quickly?

· Are the alarms (sound/light/vibration) triggered?

· Is the reading within a reasonable tolerance range?