11
Selecting “Yes” and pressing
will store the Ion Output Set Point.
Selecting “No” will exit setup and leave the set point unchanged.
Setting the Rate
The 977HL features a variable output frequency. The frequency that should be set
depends on the ionising product and the distance to the target object.
To set the rate
1. Press
to enter menu
2. Use
and
to select option 2 “Rate”
3. Use
and
to set the required value.
4. Press
to accept value.
Ionising Bars: For best operation at long distance a slow rate should be set.
Conversely at short range, select a fast rate. An approximate guide is as
follows:
25
Do not use closer
than 150mm
20 20
15
10
5
5
1
0
0.5
100 150 200 250 300 350 400 450 500 550 600
Operating Distance (mm)
Frequency Rate (Hz)
Suggested Frequency Vs Operating Distance for 976/977HL
Содержание 977HL
Страница 1: ...Model 977HL Operating Manual Current Monitoring Pulsed DC Controller for Hazardous Location Ionisers...
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Страница 11: ...9 4 Connect IEC mains cable Input voltages from 100 to 240V 50 or 60Hz are acceptable...
Страница 23: ...977HL Case and Mounting Detail 21...
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