Welch Allyn Micro Tymp 1, Service Manual

Page: 24 / 82

Section 2.5 Service
M I C R O T Y M P 1 H I G H A L T I T U D E M O D I F I C A T I O N
Your Microtymp has been specially modified for use at high altitudes. Therefore, the
following information should be added to page 3:
Increase in +200 Vcc
Actual Vol. .0cc 1.0cc 1.5cc 2.0cc
Elevation
1850m (6100 ft.) +.1 +.3 +.4 +.5*
2300m (7500 ft.) +.1 +.3 +.5 —
2700m (8800 ft.) +.2 +.4 +.6 —
3100m (10,100 ft.) +.2 +.5 +.7 —
3400m (11,200 ft.) +.3 +.5 +.8 —
3750m (12,300 ft.) +.3 +.6 +.9 —
4100m (13,400 ft.) +.3 +.7 +1.0* —
*Above this elevation, +200 Vcc reading of this volume is over instrument's range.
“Open” symbol will result.
This also affects the 1.9cc Quick Check Cavity. Over 6100 ft., it cannot be used
(see page 18).
pg 20.1