Error When No Atmospheric Correction Is Made - Pentax W-800 Series Basic Instruction Manual

6.3 Error when no atmospheric correction is made

When measurement is carried out with no Atmospheric Correction (with the settings fixed at a
temperature of 15°C and an atmospheric pressure of 1013 hPa or 760 mmHg), the Error per 100
meters in temperature and pressure will be shown in the tables below.
• When the actual pressure is 1013 hPa (760 mmHg) and the temperature is 25°C, conducting
the measurement with the temperature left at 15°C will result in the measurement being
short by 0.9 mm per 100 meters.
[Error table: When hPa (15°C, 1013hPa as standard)]
[Error table: With mmHg (15°C, 760mmHg as standard)]
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