Fluke 975CK Bedienungsanleitung

975CK English Instruction Sheet

Page 1

975CK

Gas Sensor Calibration Kit

Instruction Sheet

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 CO2sensors 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 CO2.

Gas canisters are available as an accessory allowing the user to

calibrate the CO and CO2sensors.

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

canister; mixed CO and CO2for calibration gas, Nitrogen for

zeroing gas when calibrating CO2. See Figure 1

Note

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

2 minutes.

F1 F1

VELOCITY

PROBE

eha001.eps

Calibration Connections

PN 2768489

October 2006

All product names are trademarks of their respective companies.

975CK English Instruction Sheet

Page 2

Calibrating the CO and CO2 Sensors

Calibrate the CO and CO2sensors together, or separately.

To simultaneously calibrate both sensors,

1. If not already in calibration mode, press L, R, and

Ssimultaneously for 3 seconds to enter calibration mode.

2. Press 1[Yes] to initiate the calibration procedure.

3. Press 3[BOTH].

The Meter display reads:

Calibration Procedure

Apply Nitrogen…

4. Apply ½ liter/minute of nitrogen for 2 minutes. Press

3[Cancel] to exit calibration.

5. When sensor zero is complete, remove the nitrogen and

press 2[OK] or 3[Cancel] to exit calibration.

The Meter displays:

Apply CO Calgas concentration…

6. Enter the concentration amount using 1[DOWN] and

2[UP] to change the entry and 3[ENTER]to store it.

7. Apply the calibration gas mixture of CO and CO2. Press

2[OK] or 3[Cancel] to exit calibration.

8. When finished, remove gas and press [OK]. Enter the time

to next calibration date. Use 1[DOWN] and 2[UP] to

change the number and 3[ENTER]to store the number.

The calibration procedure is complete.

Calibrating the CO Sensor

To calibrate the CO sensor:

1. With the calibration cap on, press L, R, and S

simultaneously for 3 seconds to enter calibration mode.

2. Press 1 [Yes] to initiate the calibration procedure or

press 3[Cancel] to exit calibration mode.

3. Press 1[CO]. The Meter zeros the CO sensor. If desired,

press 3[Cancel] to abort Meter calibration.

4. Use 1[DOWN] and 2[UP] to change the gas

concentration (ppm). Press 3[ENTER]to enter the

concentration level.

975CK English Instruction Sheet

Page 3

5. The Meter prompts to apply the CAL Gas. Attach the mixed

CO and CO2calibration gas canister to the Meter via the

supplied hose or press 3[SKIP] to exit.

6. The Meter calibrates the CO sensor. Press 3to cancel.

When finished, remove gas and press 3[OK]. Enter the

time to next calibration date. Use 1[DOWN] and 2[UP]

to change the number and 3[ENTER]to store the number.

Note

When either CO or CO2sensors are calibrated, the

calibration date is reset by the user.

CO calibration is now complete and the Meter exits calibration

mode.

Calibrating the CO2Sensor

To calibrate the CO2sensor:

1. If not already in calibration mode, with the calibration cap on,

press L, R, and Ssimultaneously for 3 seconds to

enter calibration mode.

2. Press 1[Yes] to initiate the calibration procedure or

press 3[Cancel] to exit calibration mode.

3. Press 2[CO2].

4. Specify one-point or two-point calibration methods. The one-

point method uses CAL gas only. The two-point method

uses CAL gas and also Neutral gas (Nitrogen).

If one-point is chosen:

1. Use 1[DOWN] and 2[UP] to choose the CAL gas

concentration.

2. Press 3[ENTER] to enter the concentration.

3. Apply the CAL gas and press 2[OK], press 3[SKIP] to

exit calibration mode. The Meter will now calibrate the CO2

sensor for 2 minutes. press 3[Cancel] to exit calibration

mode If calibration fails, repeat the procedure. If it fails a

second time, have the Meter serviced.

4. The Meter finishes the procedure then prompts the user to

enter the time until the next calibration. Enter the amount

using 1[DOWN] and 2[UP] to change the number and

3[ENTER] to store the number.

If two-point is chosen:

1. Apply the neutral gas (Nitrogen) or press 3[Cancel] to

exit calibration mode.

975CK English Instruction Sheet

Page 4

2. When zeroing is complete, remove neutral gas (Nitrogen) and

press 2[OK] or 3[Cancel] to exit calibration mode.

3. Apply the CAL gas. Enter the amount using 1[DOWN]

and 2[UP] to change the number and 3[ENTER] to

store the number.

4. Apply cal gas and press 2[OK] or 3[Cancel] to exit

calibration mode.

5. The Meter finishes the procedure then prompts the user to

enter the time until the next calibration. Enter the amount

using 1[DOWN] and 2[UP] to change the number and

3[ENTER] to store the number.

CO2 sensor calibration is now complete and the Meter exits

calibration mode.

Contacting Fluke

To locate an authorized service center, visit us on the World

Wide Web at www.fluke.com or call Fluke using any of the

following numbers:

USA: 1-888-99-FLUKE (1-888-993-5853)

Canada: 1-800-36-FLUKE (1-800-363-5853)

Europe: +31 402-675-200

Japan: +81-3-3434-0181

Singapore: +65-738-5655

Anywhere in the world: +1-425-446-5500

LIMITED WARRANTY AND LIMITATION OF LIABILITY

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. These warranties will not cover damage

from accident, neglect, misuse, alteration, contamination, or abnormal

conditions of operation or handling. Resellers are not authorized to extend any

other warranty on Fluke’s behalf.

To obtain warranty service, contact your nearest Fluke authorized service

center to obtain return authorization information. Regulators need to be sent to

that Service Center with a description of the problem. Fluke will not accept

return of canisters. Customers must dispose of them in accordance with the

disposal instructions on the canister.

THIS WARRANTY IS BUYER'S ONLY REMEDY. NO OTHER WARRANTIES,

EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED

WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE, ARE GIVEN.

FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT,

INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, ARISING

FROM ANY CAUSE OR THEORY. Since some states or countries do not

allow the exclusion or limitation of an implied warranty or of incidental or

consequential damages, this limitation of liability may not apply to you.

Fluke Corporation

P.O. Box 9090

Everett, WA 98206-9090

U.S.A.

Fluke Europe B.V.

P.O. Box 1186

5602 BD Eindhoven

The Netherlands

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