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75 (104)
Revision 4
Because only one display position is reserved for the parameter number, 2-digit parameters are
indicated in an abbreviated form. Parameter 10 is indicated as 0, and parameters 11 to 17 as 1., 2., 3.
and so on, with a single digit followed by a period.
See Table 20 for an overview of the user-adjustable parameters:
Table 20: The device parameters
No. Parameter
Value
1 Display unit
000: Displays measurement range in %.
Default value.
001: Displays output signal level in mA.
002: Displays dust concentration in mg/m
3
.
Displays - -.- - if mg/m
3
is disabled.
2 Signal averaging time (sec)
000 ... 300
Default = 50 sec
3 Measurement range (%)
000 ... 999
Default = 100% (20× the baseline value calibrated during Auto
Setup)
4 ALERT threshold
(% of range)
000 ... 100
Default = 25% (8 mA)
5 ALARM threshold
(% of range)
000 ... 100
Default = 100% (20 mA)
6 Alarm delay time (sec)
000 ... 180
Default = 30 sec
7 Flow velocity compensation
at 4 mA (m/s)
Parameter not functional on this device.
Displays “00.0“ when selected.
8 Flow velocity compensation
at 20 mA (m/s)
Parameter not functional on this device.
Displays “00.0 “ when selected.
9 Zero/Span check interval
(hours)
000 ... 999
Default = 0 hours (no check)
0
(10) Command parameter
001: Reset to factory default
002: Enable mg/m
3
calibration
003: Disable mg/m
3
calibration
1.
(11) Integer part of x-intercept
𝜶𝜶
−
99 ... 099
Default = 0 mg/m
3
2.
(12)
Decimal part of
x-intercept
𝜶𝜶
000 ... 999
Default = 0 mg/m
3
3.
(13) Integer part of slope
𝜷𝜷
000 ... 999
Default = 0 mg/m
3
per mA
4.
(14) Decimal part of slope
𝜷𝜷
000 ... 999
Default = 0 mg/m
3
per mA
5.
(15)
20 mA scaling ×
1 000 000 IEU
000 ... 999
Default = 004
6.
(16) 20 mA scaling × 1000 IEU
000 ... 999
Default = 000
