Siemens MAG 1100, Operating Instructions Manual, Page: 354 / 665

Page 180 MultiRanger 100/200 – INSTRUCTION MANUAL 7ML19981FB05
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Using Sound Velocity Calibration
Ensure a steady level at some low value (P653 and P654 adjusted accordingly)
1. Allow sufficient time for the vapor concentration to stabilize.
2. Press TRANSDUCER to display the calculated reading.
3. Repeat Step Two at least five times to verify repeatability.
4. Measure the actual reading (e.g. with a tape measure).
5. Enter the actual value.
Repeat this procedure if the atmosphere type, concentration, or temperature conditions
are different from when the last sound velocity calibration was performed.
P652 Offset Correction
The value altered when an Offset Calibration is performed.
Alternatively, if the amount of Offset Correction required is known, enter the amount to be
added to the Reading before display.
P653 Velocity
The value adjusted based on the Sound Velocity at 20 °C (P654) vs. Temperature (P664)
characteristics of air.
Alternatively, enter the current sound velocity (if known), or perform a Sound Velocity
Calibration (P651). The units used are m/s if P005 = 1, 2, or 3 (ft/s if P005 = 4 or 5).
Note:
In gasses other than air, the temperature variation may not correspond
with the speed of sound variation. Turn off temperature sensor and use a fixed
temperature.
Primary Index
Single Point Model Dual Point Model
Global Transducer
Values
Range: -999 to 999.0
Related
• P650 Offset Calibration
Primary Index
Single Point Model Dual Point Model
Global Transducer
Values
Range: 50.01 to 2001 m/s (164.1 to 6563 ft/s)
Related
• P651 Sound Velocity Calibration
• P654 Velocity at 20°C