Clean rooms are commonly used in scientific research, semiconductor manufacturing, pharmaceutical production, and other applications. Other than filters, keeping the areas free from environmental pollutants such as dust, airborne microbes, aerosol particles, and chemical vapors requires the use of room pressure monitors or transmitters, as well as a particle counter capable of verifying your clean room is as clean as it needs to be.

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FloCat MFE Electromagnetic Flow Meter
Flanged magmeter with integral or remote mount display for irrigation and other non-potable water applications
$1,599.00
In Stock
Alicat Scientific M Series Mass Flow Meters
An extremely fast, accurate mass flow meter with no warm-up time and unparalleled versatility
$910.00
Alicat Scientific MC Series Mass Flow Controllers
Mass flow controllers for precision gas flow control
$1,215.00
MET ONE HHPC+ Series Handheld Particle Counters
Simple and fast particle monitoring, transfer particle counts via USB stick
$2,080.00
$1,976.00
In Stock
Brooks Sho-Rate Model 1350 / 1355 Variable Area Flow Meter
Low flow glass tube flow meter, purge applications, ranges up to 34 gph and 140 scfh, interchangeable tubes and floats
$213.39
WIKA CPG1500 Pressure Gauge
Digital pressure gauge for ranges up to 150,000 psi gauge, intrinsically safe version optional
$634.00
In Stock
Brooks SLA5800 Series Thermal Mass Flow Meters
Elastomer sealed, digital thermal mass flow meter for general purpose, flow ranges starting at 0.003 to 50 lpm up to 100 to 2500 lpm
Select options for pricing
Setra SRPM Room Pressure Monitor
Designed for critical low differential pressure applications that require stringent pressure monitoring and alarming
$1,404.50
$1,151.69
WIKA CTH6300 Digital Thermometer
1 or 2 channel industrial hand-held thermometer with Pt100 and type K thermocouple probe options
$382.00
Mensor CPG2500 Pressure Indicator
Two-channel pressure indicator with internal barometric reference optional
$2,463.00
Kanomax 3905 / 3910 Portable Particle Counters
Smallest and lightest 6-channel, portable 28.3 or 50 LPM laser particle counter, with a 0.3 micron sensitivity
  • FREE Pelican case ($800 value)
$8,480.00
COSA Xentaur XDT Dewpoint Transmitter
Continually monitors dewpoint levels in gases to as low as -148°F (-100°C)
$2,850.00
Setra SRCM Room Condition Monitor
Provides room condition, room identification, security, calibration, and room pressure status all in one unit
$1,645.86
Alicat Scientific MCS Series Stainless Steel Mass Flow Controllers
Stainless steel mass flow controllers for use with aggressive gases
$1,670.00
Alicat Scientific Whisper MW Series Mass Flow Meter
Low pressure drop flow meters for use in systems with very low differential pressure availability
$1,215.00
TSI Alnor 9306-V2 AeroTrak Particle Counter
Measures up to six channels of simultaneous data and complies with all ISO 21501-4 requirements
$4,195.00
Alicat Scientific MB Series Mass Flow Meter
Portable, rechargeable meter that measures mass flow, volumetric flow, temperature & pressure
$1,165.00
Fluke 985 Particle Counter
Troubleshooting and monitoring indoor air quality, six channels, lightweight
  • FREE Gift with purchase of $250 or more
$5,049.99
Setra 267 Pressure Transducer
Very low differential pressure transducer with uni-directional, bi-directional, or multi-range (267MR) options
$415.89
In Stock
Setra MicroCal Pressure Calibrator
Stand-alone calibration standard for differential and gauge pressure sensors found in critical environments
$8,704.17
Brooks GF100 / GF120 / GF125 Mass Flow Controllers
High purity and ultra-high purity digital thermal mass flow devices, flow range from 3 sccm to 55 slm, MultiFlo capabilities
$2,315.00
WIKA CTH6500 Precision Thermometer
1 or 2 channel precision hand-held thermometer with Pt100, type K thermocouple, & humidity probe options
$745.09
Alicat Scientific PC / PCR Series Pressure Controllers
Provides precise control of absolute or gauge pressure of process gases and liquids
$1,015.00
Brooks Sho-Rate Model 1358 Variable Area Flow Meters
Interchangeable tubes & floats, 10:1 rangeability, flow ranges up to 5 gpm and 15 scfm, single tube or multi-tube
$423.72
COSA Xentaur HDT Dewpoint Transmitter
Loop-powered hybrid dewpoint transmitter for compressed air and refrigerant dryer applications
$1,350.00
Alicat Scientific Volumetric Liquid Flow Meters and Controllers
Measures differential pressure within a laminar flow region to determine volumetric flow rate
$1,165.00
Modus T Series Pressure Transmitters
Measures differential (dry/dry), gauge pressure, or vacuum, suitable for air or inert gases
$196.00
Brooks Quantim Coriolis Mass Flow Controllers & Meters
Low flow coriolis mass flow measurement and control, range from 0.001 up to more than 27 kg/hr, proprietary optical sensing technique
$6,461.91
Brooks Model 1305 Variable Area Flow Meter
Glass tube variable area flow meter, o-ring seal construction, 0.8 to 25 gpm (3 to 50 scfm) ranges
$553.38
Brooks Model 1307 Variable Area Flow Meter
Glass tube variable Area flow meter, o-ring seal construction, measures water up to 10 gpm & air up to 45 scfm
$651.40
GPI GSCPS Series Turbine Flow Meter
High Temperature precision turbine flow meters with sanitary clamp process connection with 3-A sanitary rating
$2,119.00
$1,695.20
Greyline Instruments PT400 Ultrasonic Flow Meter
Portable transit time flow meter is ideal for spot checks or for extended operation as a 4-20mA flow transmitter
$3,795.00
COSA Xentaur LPDT Dewpoint Transmitter
Loop powered (2-wire) dewpoint transmitter with display
$1,570.00
E+E EE23 Humidity / Temperature Transmitter
Measures humidity and temp, calculates dew point and frost point, designed for industrial applications up to 248°F (120°C)
$621.00
King Instrument 7460 Series Rotameter
Rotameter for gases or liquids with 75mm scale Borosilicate Kinglass metering tube
$353.00
E+E EE75 Air / Gas Velocity Transmitter
Hot film sensor, high precision, measures velocities up to 8000ft/min (40m/s), high accuracy, designed for industrial applications
$986.00
WIKA CTH7000 Precision Thermometer
High performance, hand-held, 2 channel thermometer for Pt100 and Thermistor probes
$1,858.00
Georg Fischer Type 567 Butterfly Valve
Wafer Style Butterfly Valve, sizes 2 to 12 inch, glass filled polypropylene, compatible with ANSI and DIN flanges
$201.00
$180.90
Alicat Scientific PCD Series Pressure Controller
Dual valve controller with independently controlled intake and exhaust valves for fast and stable pressure control inside a closed system
$1,470.00
Brooks GF40 Mass Flow Controller
Elastomer sealed thermal mass flow controllers and meter, multiflo technology, 3 sccm to 50 slpm flow range
$1,875.00
Mensor CPC2000 Pressure Controller
Provides mobile calibration of low-pressure measuring devices
$5,695.55
Setra Model 239 Pressure Transducer
High accuracy, low range pressure transducer
$1,640.04
Gems FT-210 Series Turbine Flow Meter
Proven turbine technology in a small package for low flow applications
$119.00
Setra 3100 & 3200 Pressure Transducer
Thin-film sensor provides high performance and stability for large volume installs
$187.30
Alicat Scientific Whisper MCW Series Mass Flow Controller
Low pressure drop flow controller for use in systems with very low differential pressure availability
$1,520.00
Setra 276 Barometric Pressure Transducer
SETRACERAM Sensor, 0.25% FS accuracy, barometric or absolute pressure
$653.95
Mensor CPG2300 Digital Pressure Gauge
High accuracy digital pressure calibrator for field calibrations in rugged environments, formerly the DPG2300
$2,183.00
Brooks Model 1306 Variable Area Flow Meter
Glass tube variable Area flow meter, o-ring seal construction, up to 590 gph & up to 39 scfm
$630.98
Alicat Scientific Whisper MWB Series Mass Flow Meter
Portable, rechargeable mass flow meter with low pressure drop for use in systems with very low differential pressure availability
$1,470.00
GF Signet 2000 MicroFlow Paddle Wheel Flow Sensor
Paddle wheel flow sensor for clear or dark liquids
$465.00
$418.50
Mensor CPG2400 Pressure Indicator
Low cost, single-range pressure measuring instrument, formerly the DPG2400
$1,092.00
E+E EE33 Humidity / Temperature Transmitter
Designed for high humidity and chemical applications, monolithic measurement cell type, pressures up to 1450 psi
$1,363.00
E+E EE220 Humidity / Temperature Transmitter
Interchangeable sensing probes, remote sensing probe up to 32.8ft, measuring range 0 to 100% RH / -40 to 176°F
$339.00
Setra SRIM1 Room Isolation Monitor
Provides local audible and visual alarms to alert personnel when the pressure differential is compromised
$741.90
Alicat Scientific MS Series Stainless Steel Mass Flow Meters
An extremely fast, accurate, stainless steel mass flow meter for use with aggressive gases
$1,415.00
Brooks SLAMf Series Thermal Mass Flow Meters
Highly configurable platform, 0.003 up to 2500 lpm flow ranges, NEMA4X / IP66 rated enclosure
$2,073.65
E+E HUMLOG20 Data Logger
Measurements of humidity, temperature, air pressure and CO2 concentration
$693.00
Setra AccuSense ASL Pressure Transducer
Designed for low differential pressure measurements of air or other clean gases
$1,638.58
GPI GSCP Series Turbine Flow Meter
Precision turbine flow meters with Tri-Clover sanitary clamp process connection
$1,736.00
$1,388.80
Dwyer SPPM Panel Meter
16-bit color touch screen display, configurable with downloadable, 0.1% accuracy
$118.00
In Stock
Alicat Scientific P Series Pressure Gauge
Precision digital pressure gauge for applications requiring high accuracy and signal output
$610.00
W.E. Anderson WE02 Ball Valves
Full port 3-piece stainless steel ball valve for great flow rates with minimal pressure drop
Select options for pricing
Alicat Scientific MCQ Series Mass Flow Controller
Provides precision gas flow control for applications with line pressures up to 320 psi
$1,620.00
Alicat MCD Series Bidirectional Mass Flow Controller
Controls mass flow rate, volumetric flow rate and pressure of process gases in two flow directions, corrosion resistant and low pressure drop models available
$1,870.00
E+E EE660 Air Velocity Transmitter
Hot film technology, accuracy down to 0.15 m/s (30 ft/min) and high insensitivity to pollution
$464.00
Setra 269 Differential Pressure Transducer
Unidirectional range: 0 to 0.1 to 0 to 10.0 WC, bidirectional range: ±0.05 to ±5.0 WC
$742.80
ACI A/RH Series Relative Humidity & Temperature Transmitter
Combination relative humidity and temperature transmitter with analog outputs
$283.70
Mensor CPG2300 Barometer
Portable high accuracy barometer with a barometric range of 8 to 17 PSI (17 to 34inHgA)
$2,183.00
Setra SRIM2 Room Isolation Monitor
Provides visual and audible alarms for pressure, temperature, humidity and door input
$880.20
Brooks GF135 Thermal Mass Flow Controller
Pressure transient insensitive mass flow controller with real-time flow error detection and advanced diagnostics
$3,695.00
Brooks GF80 / GF81 Mass Flow Controllers
Digital mass flow controllers and meters, metal seals, multiflo capabilities, flow ranges from 3 sccm up to 300 slm
$2,430.00
Setra MRMS Multi-Room Monitoring Station
Remotely Monitor up to 8 Rooms, auto discover, audible and visual alarms
$1,643.57
Setra SRIMV Velocity Sensor
Monitor velocity with the option to measure and display flow, differential pressure, temperature and humidity
$693.30
Modus W Series Pressure Transmitters
Differential pressure transmitters (wet/wet) for liquids or gases
$660.00
$627.00
W.E. Anderson WE33 Ball Valves
3-way stainless steel ball valve with tri-clamp end connections
Select options for pricing
Setra SRMD Room Monitoring Display
Single or dual highly visible LCD display for viewing temperature and/or humidity parameters from up to 30 feet away
$357.06
NoShok 2200 Series Digital Indicator
Accepts a wide variety of input signals including thermocouples or RTDs, current, voltage, resistance and process signals
$880.80
Setra 550 Low Pressure Transducer
General service and submersible pressure transducer, pressure range 1 to 15 PSI
$784.60
InTemp CX402-VFCxM Temperature Data Logger
Made for the Vaccines for Children program and includes logger and probe
$149.00
W.E. Anderson WE31 Ball Valves
3-way stainless steel ball valve with NPT end connections
$128.00
InTemp CX403 Ambient Temperature Data Logger
Logger with internal sensor uses Bluetooth Low-Energy to send data to mobile devices
$119.00
In Stock
NoShok 1900C Digital Indicator
Compact digital indicator displays any unit of pressure, temperature, level, force or flow measurement
$374.72
InTemp CX402-TxM Temperature Data Loggers
Monitors refrigerators and freezers, and uses Bluetooth Low-Energy to send data to mobile devices
$149.00
In Stock
NoShok Series 1950 Digital Indicator
Full-sized panel meter features compressed into small design for ease of installation
$338.61
InTemp CX402-Tx Temperature Data Loggers
Monitors refrigerators and freezers, and uses Bluetooth Low-Energy to send data to mobile devices
$159.00
In Stock
InTemp CX402-VFCx Temperature Data Logger
Made for the Vaccines for Children program and includes logger, probe and Glycol bottle
$159.00
Setra SRAN Remote Annunciator
Allows indication of room status at remote locations
$241.03
Isotech Semi-Standard Platinum Resistance Thermometer
375 mm PRT with termination connector for temperatures from -50°C to 670°C
$1,288.00
E+E Omniport 30 Multi Function Monitor
Handheld, continuous and single-point data logging, 23 parameters, capacitive TFT touch-screen
$845.00
Isotech 935-14-13 Semi Standard PRT
Platinum resistance thermometer, -196 to 250°C temp range
$647.00
Isotech I-Cal Easy Calibration Software
Powerful software automates the calibration process and provides certificates
$4,108.00
Isotech PRT Probe
300 mm PRT for temperatures from -50°C to 250°C
$456.00