HY-ALERTA™ 1600, Intrinsically Safe Area Hydrogen Monitor
OPERATING MANUAL
90000012 R8
Page 11 of 31
the bar indicates the last peak value obtained and filled boxes indicate current value. The following
figure describes how to interpret the hydrogen meter:
7.3
KEYPAD
A 5 button keypad is used to alter the LCD, change settings and initiate special functions from the
Configuration Menu:
Pressing
▲ (up arrow button) displays the peak hydrogen reading.
Pressing
▼ (down arrow button) displays the current percent hydrogen concentration.
Pressing
► (right arrow button) clears the peak hydrogen value.
Pressing and holding the
ENTER
button invokes the Configuration Menu.
Pressing
▼ (down arrow button) scrolls down through function menus or scroll down through a
numerical range.
Pressing
▲ (up arrow button) scrolls up through function menus or scroll up through a numerical
range.
Pressing the
ENTER
button or
► (right arrow button) selects the function.
Pressing
◄ (left arrow button) backs out of menus.
7.4
CONFIGURATION MENU
The following functions will be found in the Configuration Menu:
Information Disp
– model information
Firmware Rev
– firmware revisions
Serial Number
– model serial number
Calibration Date
– date of the last factory calibration
Set Alert/Alarm
– Define hydrogen level that will trigger the alert and alarm signals.
Alert Level
–the level of hydrogen that will cause the LED to turn amber
Alarm Level
– the level of hydrogen that will cause the LED to turn red
Set H2 Range
– Define hydrogen sensitivity range (standard factory setting: 0% to 5% hydrogen by
volume).
Low H2 Range
– The lowest level of hydrogen (standard factory setting: 0% hydrogen by
volume) to correspond with the low range analog output setting.
High H2 Range
– The highest level of hydrogen (standard factory setting: 5% hydrogen by
volume) to correspond with the high range analog output setting.
Configure IDAC
– define analog output range (standard factory setting: 4mA to 20mA)
Low Range
– low level analog output (standard factory setting: 4mA) to correspond with
lowest level of hydrogen range
High Range
– high level analog output (standard factory setting: 20mA) to correspond with
highest level of hydrogen range
Error
– analog output (standard factory setting: 3mA) of error status
>
0
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2
>
0
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5
>
0
.01
0
>
0
.02
2
>
0
.04
6
>
0
.10
0
>
0
.22
0
>
0
.46
0
>
1
.00
0
>
2
.20
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>
4
.60
0
>
1
0.
0
0
>
2
2.
0
0
>
4
6.
0
0
>
1
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0
>
0
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1
Hydrogen = 4.67%