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Technical Data
molbox1+™ Flow Terminal
± 0.125 % of reading—lowest uncertainty
for gas flow calibration
The new molbox1+ flow terminal from Fluke’s DH
Instruments Division represents a significant update
to the molbloc/molbox gas flow calibration system.
molbox1+ combined with molbloc flow elements enables
you to achieve the lowest uncertainty available for
gas flow meter and controller calibrations. A special
configuration, molbox1+S, allows you to use molbloc-S
sonic nozzle flow elements at higher pressures than
were previously possible, greatly extending their usable
flow range.
A molbloc/molbox1+ gas flow calibration system is the
ideal solution for calibrating flow meters, thermal mass
flow controllers (MFCs), rotameters, turbine meters,
bubble meters, and other flow measurement devices.
With real-time measurements, no moving parts and
supported by traceable calibration in several different
gases and operating pressures, molbloc/molbox can
handle virtually any calibration application without
compromise. molbloc/molbox systems are widely
used in many industries, including pharmaceuticals,
semiconductors, aerospace, environmental monitoring,
energy production, reference gas blending, and
research and standards laboratories.
molbox1+
features
at a glance
• ± 0.125 % of reading
uncertainty on mass
flow measurements
with molbloc-L and
molbloc-S elements
with premium
calibrations
• molbox1+S
configuration gives
extra rangeability
with molbloc-S
elements without
requiring vacuum
pumps
• Now use any
molbloc element for
both high and low
pressure applications
in the same gas
• Even more robust
internal pneumatic
design
• Full suite of software
automation products
and hardware
accessories to
create a complete
gas flow calibration
system—including
new COMPASS®
for Flow calibration
assistance software
