Fluke 975CK Instruction Sheet

Gas sensor calibration kit

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Gas Sensor Calibration Kit

Calibration

Calibration due dates are tracked using the Meter's clock and

stored in non-volatile memory. Due dates can be configured by

the user from one to 365 days. When the Meter reaches its

calibration due date, it alerts the user but will continue to operate.

The Meter's CO and CO

or returned to Fluke for service. See "Contacting Fluke". The

recommended calibration interval is 1 month for CO and 1 year

for CO

Gas canisters are available as an accessory allowing the user to

calibrate the CO and CO

Install the calibration cap and attach the hose to the correct gas

canister; mixed CO and CO

zeroing gas when calibrating CO

Calibration gas is applied at the rate of ½ liter/minute for

2 minutes.

2768489

October 2006

All product names are trademarks of their respective companies.

sensors can be calibrated by the user

sensors.

for calibration gas, Nitrogen for

. See Figure 1

Note

Calibration Connections

975CK

Instruction Sheet

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Page 1 The Meter’s CO and CO sensors can be calibrated by the user or returned to Fluke for service. See “Contacting Fluke”. The recommended calibration interval is 1 month for CO and 1 year for CO...
Page 2 Calibrating the CO and CO Sensors Calibrate the CO and CO sensors together, or separately. To simultaneously calibrate both sensors, If not already in calibration mode, press L, R, and S simultaneously for 3 seconds to enter calibration mode. Press 1 to initiate the calibration procedure.
Page 3 The Meter prompts to apply the CAL Gas. Attach the mixed CO and CO calibration gas canister to the Meter via the supplied hose or press 3 [SKIP] to exit. The Meter calibrates the CO sensor. Press 3 to cancel. When finished, remove gas and press 3 [OK].
Page 4 Regulators are warranted for 2 years from the date of purchase against defects in the materials and assembly, and performance within specification. If the regulator is considered by Fluke to be defective then Fluke will replace the regulator at no charge. If the gas canister leaks or the gas becomes unstable within 3 years from the manufacturing date on the canister, Fluke will replace the canister at no charge.