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molbox1+ Flow Terminal

sku Product SKU:  FCL-molbox1+

The new molbox1+ flow terminal from Fluke Calibration 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 calibration 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 gas flow meter calibration, as well as for calibrating 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.

Already own a molbloc/molbox flow system? Upgrading to the newest capabilities is easy and economical.


molbox1+ innovations enable the molbloc/ molbox1+ system to achieve the lowest gas flow measurement uncertainties in the industry. The lower uncertainty is made possible by several key improvements, including:

  • Use of Fluke Calibration's exclusive quartz reference pressure transducer (Q-RPT) technology to precisely measure both absolute and differential pressure. molbox1+ Q-RPTs are specially characterized sensors benefitting from the same technology used in Fluke Calibration’s pressure transfer standards.
  • Premium molbloc calibrations linearize molbloc flow output to better capitalize on existing precision and repeatability.
  • Expanded molbloc modelization enables improved performance of molbloc-L laminar flow elements across their range of operating pressures.
  • Reduced uncertainty on gas properties utilizing data from NIST Reference Fluid Thermodynamic and Transport Properties Database (REFPROP).
  • Continued improvements in Fluke Calibration’s molbloc calibration chain, based on fundamental massand time-based mass flow measurements using Fluke Calibration’s own dynamic Gravimetric Flow Standard.

Two levels of molbloc flow element calibration are now available to let you balance uncertainty and cost:

  • Premium: ± 0.125 % of reading flow measurement uncertainty (with molbox1+)
  • Standard: ± 0.2 % of reading flow measurement uncertainty (with molbox1 or molbox1+)

New molblocs are eligible for either calibration type. Existing molblocs are compatible with molbox1+ at ± 0.2 % of reading uncertainty with no changes required. See below for details on upgrade service to existing molblocs to allow premium calibration and measurement specifications.

The molbloc/molbox system has stood the test of time for flow meter calibration since the early 1990’s, used in many demanding calibration laboratories, intercomparisons and government organizations worldwide. Fluke Calibration’s uncertainty specifications are conservative and backed by a thorough uncertainty analysis and metrology support. Fluke Calibration’s innovation and design is continually aimed at making sure our products deliver specifications that can be realized by the user, not under best case conditions but in your real-world application.

molbox1+S sonic nozzle calibration device expands rangeability—without vacuum pumps molbox1+S is a special configuration of molbox 1+ that enables you to cover a wide range (10:1 range turndown) with molbloc-S sonic nozzle flow elements, without requiring costly vacuum pumps. molbox1+S sonic nozzle calibration device is available with upstream Q-RPT pressure range up to 2 MPa (300 psia) to allow molbloc-S elements to be conveniently used over a wide flow range upstream of flow meters being tested at atmospheric pressure, a common application. This extra rangeability makes it simple to configure a calibration system using fewer molbloc elements and minimal accessories. It also greatly extends the range of your existing molbloc-S elements when a high pressure molbloc calibration is added.

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AMETEK-DC Load Module

sku Product SKU:  AME-DC Load Module

ReFlex Power™ is a high density, modular programmable power system providing DC, AC and electronic load assets all under control of a single controller. It provides a reconfigurable, flexible platform ideal for ATE and production test environments where RFP™ can provide programmable stimulus and bias power as well as programmable loads for the device(s) under test. The EIA 4U high RFP™ mainframe can hold up to 12 single-slot modules or combinations of single, dual and triple slot wide modules to configure (or reconfigure) the system for the particular requirements at hand. The mainframe can support up to 6 kW of output power.

Up to 8 mainframes, potentially up to 95 modules, can be controlled via a single controller. The controller communicates to the individual modules via a high speed proprietary bus protocol, providing very high data rates and a high degree of deterministic control. The RFP™ controller communicates to the host controller via an Ethernet LAN connection designed to be compliant with the LAN Extension for Instrumentation ( ™ ) standard, assuring interoperability and ease of integration. RFP™ system modules can be combined via the controller, permitting the creation of “virtual assets” with the voltage/current combinations required for a particular test regime. Creating “virtual assets” reduces the “logistical tail” and total cost of ownership.

Available power modules include 

  • Single slot, 330 Watt programmable DC supplies
    • 16V, 20.6A
    • 65V, 5.1A
  • Dual slot, 1kW programmable DC supplies
    • 33V, 30A
    • 50V, 20A
    • 50V, 25A
    • 120V, 8.3A
    • 450V, 2.3
  • Triple slot, 875 VA, single phase, programmable AC supply
    • Dual range: 280V(rms), 3.5A(rms)
    • Dual Range: 140V(rms), 7A(rms)
  • Triple slot, 500V, programmable electronic DC loads
    • 15A, 375 Watt
    • 30A, 750 Watt

The mainframe provides internal power distribution, cabling, I/O and power connection and rack mounting for 12-asset slots. The mainframe also supplies the signal and control bus fabric supporting multi-module series/parallel operation, complex triggering, fault I/O and inter-mainframe control infrastructure.


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700HPPK Pneumatic Test Pump Kit

sku Product SKU:  FCL-700HPPK


The 700HPPK is designed to be at home in the lab or the field. Lightweight and portable, it features collapsible feet, built-in handhold, and a canvas carrying case, making it easy to carry to the field.

The 700HPPK works on just about any surface, so you don’t need a flat laboratory bench or flat area in the field.

With the 700HPPK, you don’t need to carry a lot of extra equipment or accessories. No PTFE tape or extra tools are required thanks to a swivel ¼ NPT female reference gauge connector that makes switching reference gauges fast and easy.

The pump kit is designed so that the calibration manifold attaches and detaches easily via quick detent pins. You won’t need to spend a lot of time setting it up or packing it away at the end of the day.


The 700HPPK generates pressure up to 21 MPA (3000 psi) within 20 seconds to full scale into a 10 cm3 volume. A detachable pressure adjustment system and adjustment control knob enables users to make fine pressure adjustments to 0.1% of reading or better. The 700HPPK includes a 2 meter (6.5-foot ) pressure line and assorted pressure fittings, enabling you to connect a wide variety of DUTs for wide workload coverage. In fact, the 700HPPK covers at least five times more workload than standard range pneumatic pumps. An in-line filter system protects the system against contamination from the unit under test.

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PGC-10000-AF Pneumatic Gauge Calibrator

sku Product SKU:  FCL-PGC-10000

PGC-10000-AF Pneumatic Gauge Calibrator is a special pressure gauge calibrator made up of Fluke Calibration's GPC1 Gas Pressure Controller and RPM4 A70M/A20M Reference Pressure Monitor (see the GPC1 and RPM4 brochures for details). The PGC-10000-AF is a pressure gauge calibrator that is designed to optimize the testing and calibration of analog and digital pressure gauges with ranges from less than 500 psi (3.5 MPa) to 10,000 psi (70 MPa). This special pressure gauge calibration configuration was selected by the United States Air Force as the next generation high pressure pneumatic gauge calibration system for deployment in its Precision Measurement Equipment Laboratories (PMELs) throughout the world.

With GPC1 and associated GB-152 Gas Booster, the pressure gauge calibration operator effortlessly generates and adjusts pressure to set the device under test to its cardinal point. The RPM4 then precisely measures the actual pressure applied.

Interactive RPM4 embedded software automatically sets up the pressure gauge calibration procedure based on entry of the DUT full scale and tolerance. It then steps the operator through the test, logging data and providing real time notification of in or out-of-tolerance conditions at each point. A foot pedal “ENTER switch allows the operator to trigger readings hands free.

  • Calibrate any range device in gas from less than 500 to 10,000 psi (70 MPa) FS with one compact, integrated system
  • Effortless operation; no pumping, no weight lifting
  • Includes gas booster to boost a bottled air supply as low as 400 psi (2.75 MPa) to 10,000 psi (70 MPa)
  • Easily set pressure to DUT cardinal point and read back actual pressure from the reference
  • On-board calibration routines with real time out-of-tolerance notification and data logging
  • Foot pedal “ENTER key for hands free sequence execution
  • Complete a typical high pressure gauge run in about 20 minutes (20 % ascending increments)
  • Supports 12 units of measure and custom units
  • Push button switching between gauge and absolute measurement modes
  • RS232 and IEEE-488 interfaces included; compatible with COMPASS® for Pressure software
  • Delivered with connectors and adaptors for NPT, AN4 and gland and collar DUTs
  • Includes molded, reusable transit case for shipping RPM4/HPMS transfer standard for recalibration

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