Heath Consultants Hi Flow Sampler - Manual (Page 39)

Hi Flow

Sampler Calibration
Instruction 0055-9017 39
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 Kit, P/N 0055-8002
• 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)
Connect the components of the calibration kit, calibration gas cylinder, and Hi Flow

Sampler together as shown in Figure 3-1. DO NOT, however, attach the calibration
equipment to the instrument until instructed to do so in the calibration procedure.