SADP_Operating_ Instructions_0114
1.0 General Description
The SADP & SADP-TR are battery operated portable dewpoint meters designed for spot checks or
continuous use. The instrument provides direct indication in dewpoint temperature and parts per million
on a 12cm analogue scale. SADP-D versions perform the same function but display only Dewpoint on a
LCD display.
The instrument may be used to give a continuous reading as long as sample gas is flowing through the
test chamber [head] of the instrument, a reading will be given of the gas moisture content. Alternatively
results are obtained in a few minutes when making spot checks.
The SADP instrument is operated with its own internal batteries and requires no external power source.
The instrument comes supplied with 6 “c”-size cells. In normal operation these will last for over 12
months.
The unique measuring head is designed to keep the sensor dry when the instrument is not in use,
making spot checks a simple and speedy process with minimum air or gas usage.
The SADP is provided as standard with a padded carrying case with shoulder strap, a moisture
calculator, a screwdriver for the Automatic Calibration control, a special key for the security plate
covering the battery carriers, and a 2 meter length of flexible PTFE (Teflon) sample pipe.
The instrument is certified for use in hazardous areas (Ex ia IIC T6 Ga).
1.1 Ranges
SADP-(r): Range
Purple (P) -100 to 0 deg.C DP, 0-6000 PPM.
Silver (S) -100 to -20 deg.C DP, 0-1000 PPM.
Red (R) -80 to -20 deg.C DP, 0-1000 PPM, 0-10 on TR version.
Grey (G) -80 to 0 deg.C DP, 0 - 6000 PPM, and 0-10 on TR version.
Blue (B) -80 to +20 deg.C DP, 0 - 23,000 PPM, (manual-cal)
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