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Teledyne API Model 100AH SO
2
Analyzer Instruction Manual, 02417, Rev. D
5.3.4 Range Menu
The instrument operates on any full scale range from 10 to 5000 PPM. The range is the
concentration value that equals the maximum current (or voltage) output on the rear panel of the
instrument.
If the range you select is between 10 and 500 PPM the front panel display will read the
concentration anywhere from 0 to 500 PPM regardless of the range selected, however the analog
output is scaled for the range selected. If the range selected is from 501 to 5000 PPM the front
panel display will read from 0 to 5,000 PPM. The M100AH has 2 internal hardware gain
settings, namely 0-500 PPM (gain of 10) and 0-5000 PPM (gain of 1). If the physical gain
changes, then the test measurement readings such as PMT and OFFSET will be adjusted
accordingly.
NOTE
If the instrument will be used on more than one range such as AUTO
RANGE or DUAL RANGE, it should be calibrated separately on each
applicable range (see Section 8.6 for calibration procedure).
Each 4-20 mA current output channel should be connected to one interfacing device only.
There are 3 range choices: only one of the following range choices can be active at any one time.
1. Single Range; two analog outputs are fixed to a single range.
2. Auto Range; both analog outputs are automatically set for low or high range.
3. Dual Ranges; each of an analog output ranges can be set differently.
5.3.4.1 Single Range
This range option selects a single range for both output channels (REC, DAS) of the M100AH.
To select Single Range press SETUP-RNGE-MODE-SING, then press ENTR. To set the value
for the range press SETUP-RNGE-SET, and enter the full scale range desired from 10 PPM to
5000 PPM, then press ENTR.
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