Hi Flow
Sampler
Calibration
Instruction 0055-9017
41
3 Calibration
It is recommended that the Hi Flow
Sampler be calibrated by your nearest Bacharach
Service Center every 30 days. Calibration, however, can be performed in the field if your
facility has the necessary equipment and qualified personnel to perform the procedures
described in the following sections.
The following procedures describe how to:
•
View the dates on which calibrations were performed
•
Verify calibration
•
Calibrate the background and leak gas sensors
•
Display the gain values of the calibration amplifier circuits
•
Erase calibration
3.1 View Calibration Dates
Do the following to view the dates on which calibrations were performed on the
background-gas and leak-gas sensors at both low (2.5% CH
4
) and high (100% CH
4
)
calibration gas levels:
1.
From the Main Screen select
Menu
>
Calibration
>
Calibration
Dates
.
2.
The following Calibration Dates Screen is displayed where mm/dd/yy is the month,
day, and year calibration was performed:
3.
Press the
ESC
key twice to return to the Main Screen.
3.2 Gas Calibration Equipment Setup
The following equipment is recommended to both check the calibration and perform a
calibration procedure on the Hi Flow
Sampler:
•
Calibration Kits
o
Hi Flow Cal Kit with Returnable or Disposable Cylinders. Contains 2.5% & 100%
Methane, Case with 2 demand flow regulators, 2-way ball valve with demand
regulator). P/N HPN 300060-0
o
Hi Flow Cal Kit with Refillable Cylinders. Contains 2.5% & 100% Methane,
Pelican Style Case with two stage demand flow regulators, and transfillers for
mother tanks. P/N HPN 300004-0
o
Available from Heath Consultants Inc. Ph.(713) 844-1300 or [email protected]
•
Calibration Gas:
2.5% CH
4
in air, P/N 0051-1121
100% CH
4
, P/N00 55-0060
Zero Air, P/N 0051-7131 (optional)