Specifications

Page 17

Hydrogen Sulfide Calibration Gas - 100PPM H2S GAS

Z1053100PN

HYDROGEN SULFIDE 100 PPM

Balance: NITROGEN

GRADE:CERTIFIED

CYLINDER:A58L

VALVE CGA:C-10

CONTENTS:58 LITERS

PRESSURE:500 PSI

SHELF LIFE:1 YEAR

H. HRM OEM SETUP

This knob command is a powerful function that will set the HRM module to standard factory

specifications. When this function is used it will zero the gas reading and the H2S reading, set the O

span,

and readjust the CG to zero and such. In order for this function to operate correctly, the Bloodhound should

breathe fresh air for about an hour, be up to temperature, and then this function would be used. On a brand

new HRM module, the HRM should run for 24 hours to allow the H2S, O2 and VQ500 to stabilize, then it

should be used twice in a row.

The downside is that if this command is used during a well in use, it will zero all the sensors to the current gas

levels. So, the worst case is that if a logger uses it incorrectly, he should then allow the Bloodhound to sample

clear air for an hour or so then use it again.

When this function is used, it will appear that all the readings on the Bloodhound will freeze, because the HRM

is not talking to the Brain Board while in this process of OEM setup.

I. Start CG Calibration Cycle

This knob command starts the chromatograph calibration cycle. This cycle automatically sets the time

windows within which the five or seven gas component peaks will appear. See the Bloodhound

Chromatograph section of this manual for a description of how to calibrate the chromatograph.

J. Power Down

This knob command is a secondary method of turning off the Bloodhound. Using this method, first disconnect

the unit from power (it will continue to run on the internal battery). Then select “POWER DOWN” and press the

MUTE/ENTER button.

NOTE: The primary way to turn off the Bloodhound is to disconnect the unit from power, then press

the red START/STOP button.

5. Front Panel Computer Control (Brain Board)

A. Buttons

On the front panel of the Bloodhound computer are eight (8) buttons that can also light up. The labeled

buttons light up when there is a VACUUM FAULT, PRESSURE FAULT, or BLOCKED SAMPLE LINE.

Only five (5) of the buttons are active for user input.

1> START/STOP – when pressed after the power cord is unplugged, this red button will cause the

Bloodhound to power down.

2> RED – any red button will cause the Bloodhound to “back-out” of any pending menu operation and go back

to normal operation.