How to specify a
Flexirack
/
Controller 1.(See Step 1 *) Select sensors (This step is not required for infrared detector heads). Select sensor accessories. Are dust covers or splash guards required? Sensor Part Numbers. 2. (See Step 2 *) Select a transmitter (by gas to be sensed), one for each sensor and a remote calibration module for each transmitter (4-20mA) as well as a explosion proof housing (This step is not required for infrared detector heads). Add one remote calibration meter (4-20 mA). A remote calibration module and meter will not be needed if you are specifying a SafeCal system. Are lightning arrestors required? If so, one arrestor and another housing is needed to protect each transmitter/sensor. Transmitter Part Numbers 3. (See
Step
3 *) Select a controller (by gas to be sensed). Two controller types are
available: 4. (See
Step
4*) Select the Flexirack mounting, either panel/rack mount or
wall/enclosure mount. Consider buying a slightly larger Flexirack than you need
to accommodate future expansion (specify blank front panels for the extra slots) 5. (See Step 5*) Select a power supply. Power Supply Part Numbers 6. (See Step 6*) Select a protective enclosure such as NEMA 4X or NEMA 12 if required. 7. (See Step 7* ) Select an owners manual for each gas category to be detected. Specify tags and engraving (if required). Owners Manuals & Tag Part Numbers 8. (See Step 8 *) Select spare parts. See table below. 9. (See Step 9 *) Choose a calibration kit and a gas for each different type of gas to be detected. Calibration Part Numbers
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