Bacharach HGM-SZ Specifications download pdf (Page 24)

Single Zone Gas Monitor

20 P/N: 3015-4256 Rev 13

PPM LOG – Contains records of the last 200 measurements. Each

record shows the measurement’s date, time, and ppm level. Note that

the interval at which the measurements are logged is determined by the

LOG INT function.

Use the Keypad Up and Down buttons to change the record number by

a factor of 1. Use the Right and Left buttons to change the record

number by a factor of 10. Press QUIT to return to the previous screen.

In the example on the right, record #025 shows that a level of 425 ppm

was measured on 11/07/10 at 15:35.

Note that the PPM Log can be cleared as described on page 25.

ALARMS – Contains records of the last 30 alarm events, with the

monitor’s most recent alarm being shown when the Alarm screen is first

displayed. After 30 events ha

ve been recorded, the newest record

overwrites the oldest. Each record displays either LEAK, SPILL, or

EVAC including the date and time the alarm occurred. Use any of the

Keypad buttons to scroll through the other alarm records. Press QUIT to

return to the previous screen. Refer to page

22.

Note that the ppm levels at which alarms occur are set using the

LEAKLVL, SPILLLVL, and EVACLVL functions.

In the example on the right, record #03 shows that a spill event occurred

on 11/10/10 at 15:06.

FAULTS – Contains records of the last 30 fault events, with the

monitor’s current fault status being shown when the Fault screen is first

displayed. After 30 events have been recorded, the newest record

overwrites the oldest. Each record lists an event’s numeric fault code

plus the date and time the fault occurred. Use any of the Keypad

buttons to scroll through the other fault records. Press QUIT to return to

the previous screen. Refer to System Faults (page 23).

In the example on the right, record #15 shows that a Purge Flow Fault

<1000> occurred on 11/10/10 at 12:37.

DIAGNOS – Enters the diagnostic function. Press the Up Arrow

Keypad button to toggle between the monitor’s two diagnostic screens.

Refer to (page 26).

GAS TYPE – Used to select of any one of the gas types listed for

monitoring. (See the gas library in the Specifications section.) Use the

Keypad to select the desired gas type, and then press ENTER to save

the selection and return to the previous screen.

LEAKLVL – Sets the Leak Alarm level, adjustable from 1 to 300 ppm.

Factory default is 100 ppm. Note that the Leak Alarm level cannot be set

higher than either the Spill or Evacuate Alarm levels. Refer to Appendix

for recommended alarm settings for other gases. Use the Keypad to set

the desired Leak Alarm level, and then press ENTER to save that level

and return to the previous screen.

EDIT LEAK LEVEL

0100 PPM

SELECT GAS TYPE

R134A

0.4ppm 0.00

0.00002au 4.260v

4.26500v <0000>

24.5cD 14.00psi

#15 <1000> @

11/10/10 12:37

#03 SPILL @

11/10/10 15:06

#025 425PPM @

11/07/10 15:35

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Bacharach HGM-SZ Specifications Page 24

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