Quantim Series

Quantim® Series Coriolis Mass Flow Controllers & Meters

The industry standard for low-flow Coriolis measurement and control.

Models QMBC2 / QMBM2 / QMBC3 / QMBM3 / QMBC4 / QMBM4

Achieve superior accuracy and unmatched zero stability in ultra-low-flow gas and liquid measurement and control with the Quantim® Coriolis mass flow controllers and meters from Brooks Instrument. With the Quantim® series, Brooks has taken the lead in driving improvements in Coriolis flow technology: Our patented Quantim® Coriolis sensor design measures low flows independent of fluid type or process variables. The result: unsurpassed performance – the most accurate, stable, repeatable and reproducible mass flow measurement and control, even under changing conditions.

Description

Features
  • True mass flow measurement
  • Accurate density measurement
  • 100% of fluid flows through low-mass sensor tube (no bypass)
  • The Quantim® Coriolis series’ proprietary optical sensing technique enables accuracy at extreme low flows
  • Measures both liquids and gases over a wide flow range
  • Coplanar valve delivers super-fast response times
  • The Quantim® Coriolis series’ offers the smallest, lowest-flow Coriolis meter and controller available on the market
  • Measures and outputs two of four parameters: mass flow, volumetric flow, temperature, density
  • Independent diagnostic/service port and user display
  • Variety of material options, enclosure types and area classifications available
Benefits
  • Advanced sensor and tube technology enable accuracy at extreme low flows
  • Process chemistry and/or process conditions can be altered without the need to change or recalibrate the measurement system
  • Multivariable outputs improve and simplify process monitoring and diagnostics, increasing yields and reducing cost of ownership
  • Integrated sensor, valve and PID control in one package simplifies purchase, installation and startup
  • Reaches set point in <2 seconds reducing wasted material
  • Compact size enables easy integration into intricate process systems
  • The Quantim® Coriolis series’ has no internal moving parts, which minimizes maintenance
Key Applications
  • Vacuum processes
  • Catalyst research
  • Liquid precursor delivery to vaporizers
  • Precision coating
  • High accuracy filling stations
  • Metering pump feedback/control loop
Specifications

Product Type

Mass Flow Controller

Differential Pressure Range

Liquid: 10 – 200 psi
Gas: 10 – 150 psi

Accuracy

Standard Flow Accuracy (below) or [(zero stability/flow rate) x 100]% of rate, whichever is greater
Liquid: 0.2% of rate
Gas: 0.5% of rate

Temperature Accuracy

± 0.5°C

Flow Range (Full Scale Capacity)

10 – 27,000 gram/hr

Response Time

SS Controller: <2 sec
SS Meter: <0.5 sec
Alloy C-22 Controller: <12 sec
Alloy C-22 Meter: <0.5 sec

Repeatability

±0.05% or ±[0.5 x (zero stability/flowrate) x 100]% of rate whichever is greater

Performance

Differentiator

Large installed base with proven long term performance

Density Range

0 to 0.3 and 0.5 to 2.0 g/cc

Density Accuracy

± 0.005 g/cc

Leak Integrity

Elastomer: Outboard 1 x 10-9 atm. cc/sec, helium (max)
Metal Seal: 1 x 10-10 atm. cc/sec, helium (max)

Mechanical

Wetted Materials

316L, 316L VAR, High Alloy Ferritic Stainless & 17-7PH
Optional: Alloy C-22 Sensor Tube

Housing

Standard: IP40
Optional: IP66
Optional: IP66XP

Inlet Filter

Size 2 Sensor: 1 & 10 micron
Size 3 & 4 Sensors: 10, 20, 30 & 40 micron

Fittings

1/16”, 1/8”, 1/4” or 6mm tube compression, VCR, VCO or NPT(F), 3.2 mm UPG, Downport ANSI/ISA 76.00.02 (See Model Code)

Electrical

Analog Communication

0-5 Vdc, 4-20 mA

Digital Communication

HART

Seal Material

Metal

Ratings

Diagnostic Capability

Available

Diagnostics

Power Supply / Consumption

Voltage: +14 – 27 Vdc
Nominal Current: 300 – 300 mA (controller); 100 – 150 mA (meter)
Maximum Current: 715 mA @ 14 Vdc (controller); 470 mA @ 14 Vdc (meter)
Maximum Power: 10.0 W (controller); 6.6 W (meter)

Electrical Connection

IP40: 15 pin D-Type connector
IP66: Unpluggable Terminal Block 28-16 Awg
IP66XP: 3/4” NPT wiring access to IP40 device with 15 pin D-Type connector

Digital Communication

Max Pressure

Standard Internal Valve: 500 psig
Optional Internal Valve: 1500 psig
Optional Remote Valve: 4500 psig

Max Temperature

0 – 65oC

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