Welch Allyn Tycos - Testing Procedure

Welch Allyn Inc. Aneroid Sphygmomanometers Service Manual
Revision A
Welch Allyn Inc. Page 15 of 40
3.3 Testing
1. Hook up the Hand Gauge that needs to be tested to the
pneumatic tubing of the test equipment.
2. Apply 320 mmHg to the gauge.
3. Release the pressure to 300 mmHg. on the digital pressure meter,
or a calibrated aneroid or mercury gauge.
Note:
The aneroid or
mercury gauge must be accurate to +/- 3 mmHg at the stated
target pressures using a calibrated digital pressure meter. If using
a calibrated aneroid or mercury column the accuracy must be +/-
6 mmHg.
4. Check reading of the pressure meter or gauge to that of the Hand
Gauge under test. Refer to section 1.3 for specifications.