Automatic gas test and calibration interface

The Crowcon CheckBox IMH (Instrument Management Hub) automates the calibration and bump testing* of portable gas detectors, reducing operation time and so reducing costs

The Crowcon CheckBox IMH (Instrument Management Hub) automates the calibration and bump testing* of portable gas detectors, reducing operation time and so reducing costs.

The station can test up to 10 Crowcon detectors at once, calibrating, bumping and uploading data files as required.

The CheckBox IMH now has added functionality allowing the Crowcon newest instruments - the Tetra3 and the Detective+ - as well as established detectors such as the Triple Plus+, to be tested and calibrated.

Tetra3 is a rugged, lightweight and small personal monitor with single-button operation, IP67 enclosure, top mounting display and reliable lithium-ion battery technology.

It is very easy to use, even with a gloved hand.

The Triple Plus+ has long been an industry favourite, with over 55,000 instruments now in circulation.

With the new Checkbox IMH upgrade, users of existing fleets of Triple Plus+ units can now reduce their maintenance costs and enable automatic calibration traceability.

The Detective+ is the latest Crowcon transportable area gas monitor.

Tripod mounted, with optional folding or fixed legs, the device now has options for internal pump - complete with water trap/filter - and infra-red sensors for either CO2 or flammable gases.

The wide range of Crowcon toxic and oxygen sensors are available and Detective+ units also feature a stackable system to reduce carriage and storage costs .

By allowing both pumped and non-pumped detectors to be calibrated and tested using the same procedure, with no additional operator involvement required, the CheckBox IMH greatly simplifies the whole process.

All data is permanently recorded ensuring traceable records and can be uploaded and saved for future access.

Gas lot or batch numbers and expiry dates can also be entered into the CheckBox IMH records and printed on certificates.

The station supports up to eight gas inlets.

One inlet provides air for zeroing, with the remaining inlets allowing up to seven different calibration gases (or a combination of gas mixes) to be tested.

When testing standard four-gas monitors (flammable, oxygen, hydrogen sulphide and carbon monoxide), the device supports the use of quad-mixed calibration gas, minimising calibration time and gas usage.

The CheckBox IMH optimises gas bottle usage between single and mixed gases by automatically determining the best gas bottle or combination of bottles to calibrate each detector.

It does this by comparing the sensor combination to the gas bottles attached to the system.

* A bump test applies a gas mixture to a detector to check whether the sensors are working within acceptable response limits.

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