NIVELCO EasyTREK SP-500 Pro, Инструкция по установке и программированию

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P29 - - - - Blocking out of disturbing object (s) FACTORY DEFAULT: 0
If P28a is set to 0, this parameter determines the delay of the echo dropout signal in the adjustable range 0…999 s.
P31: - - - - Sound velocity at +20 °C (m/s) FACTORY DEFAULT: 343,8 (m/s)
This parameter is used when the speed of sound in the gases above the measured surface differs substantially from that of in the air. It is
recommended for applications where the gas is more or less homogeneous.
If it is not, the accuracy of the measurement can be improved by using 32-point linearization (P48, P49).
EView2 setting: “Device Settings” → “Measurement optimalization” → “Sound velocity at +20 °C.”
For sound velocities in various gases, see section “Sound Velocities.”
P32: - - - - Specific gravity FACTORY DEFAULT:
0
If a value other than “0” is entered for specific gravity in this parameter, the weight will be displayed instead of VOL.
If the metric unit system is selected, the unit of this parameter is kg/dm
3
, and lb/ft
3
if the selected unit system is the US.
EView2 setting: “Device Settings” → “Measurement optimalization” → “Density.”
P34: - - - - Threshold offset FACTORY DEFAULT:
0
It modifies the relative acceptance threshold set for the echo diagram between −4095 and +4095. It can be used to increase (p ositive value) or
decrease (negative value) the noise suppression capability of the device relative to the default setting. Setting the value to 0 does not affect the
original setting.
EView2 setting: “Device Settings” → “Measurement optimalization” → “Threshold offset.”