TM 75053
ML605/U
Figure 67. Volume Meter Hydrogen-Helium ML605/U.
1. NOMENCLATURE: Volume Meter, Hydrogen-Helium
and hydrogen gas at a rate of 600 cubic-feet-an-hour
ML605/U.
minimum.
2. TYPE CLASSIFICATION: Standard A.
6. TECHNICAL CHARACTERISTICS:
3. SECURITY REQUIREMENTS: Unclassified.
Rate of gas delivery:
Helium _ _ _ _ _ _ _ _ _ 420 cu-ft-per-hr, min.
4. PRIMARY USE OR CONCEPT OF EMPLOYMENT:
Hydrogen _ _ _ _ _ _ _ _ _ _ _ 600 cu-ft-per-hr, min.
Measures volume of gas required to properly lift meteor-
ological sounding balloons.
Method of metering gas delivery:
Gas volume indicator at 60
5. BRIEF FUNCTIONAL DESCRIPTION:
F. and 1,013 millibars pres-
Volume, Meter, Hydrogen-Helium ML605/U (volume
sure.
meter) is designed to measure the correct volume of gas
Temperature compensating
in cubic feet required to obtain the proper lift for meteor-
bimetal element-correct for
ological sounding balloons when inflated with helium or
temperature changes be-
hydrogen cylinder gas, Volume Meter, Hydrogen-Helium
tween +140 F. and 40
ML605/U can be assembled in an inflation and launching
F.
system consisting of a cylinder gas supply, Volume Meter,
Inflation data place _ _ _ _ _ _ Indicates the proper
Hydrogen-Helium ML605/U, and Balloon Inflation and
meter volume for
Launching Device ML594/U. The volume meter delivers
each balloon series.
helium gas at a rate of 420 cubic-feet-an-hour minimum
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