Mesa Labs’ newest standardized and volumetric primary flow standard offers easy-to-navigate calibrations with unparalleled flow ranges, accuracy and portability. The FlexCal features:

• USB connectivity
• Flow ranges from 5 ccm to 50 LPM
• Quick start operation
• Graphical LCD display
• User-selectable flow units and time interval
• CE/RoHS Compliant

The FlexCal offers flow ranges up to 50 LPM with a standardized accuracy of 0.5%, but is small, easy to carry and ready for even the most demanding of applications. When you use Mesa Labs’ FlexCal, you are guaranteed high accuracy with high confidence without the use of soap bubbles, timers, or heavy provers.

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Technical Specifications

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In addition to the features of the Model T700, the Model T700U is designed for the demanding requirements of trace-level measurements.  The ability to calibrate and verify linearity for NO₂ at levels below 50 ppb is difficult with standard calibrators.  To overcome this limitation, the Model T700U ozone generator operates in two modes; a high range with similar performance to the Model T700 ozone generator, and a low range, or “fractional” mode, for producing accurate ozone levels down to 3 ppb.  To ensure the highest accuracy of NO₂ output, the calibrator measures the ozone concentration prior to performing a GPT, and the range is selected automatically by the Model T700U based on ozone concentration and flow specified by the user.

All T Series instruments offer an advanced color display, capacitive touch screen, intuitive user interface, flexible I/O, and built-in data acquisition capability.  All instrument set up, control and access to stored data and diagnostic information is available through the front panel, or via RS232, Ethernet, or USB com ports either locally or by remote connection.​

The Model T700U comes with NumaView Software. NumaView Remote PC Software allows for a remote connection with virtual interface and data downloading capability to analyzers operating NumaView Software. ​

Features

• Stable and accurate ozone output to 3 ppb
• Stable and accurate Gas Phase Titration (GPT) to 3 ppb NO₂
• Built-in photometer, ozone generator, and GPT chamber
• Large, vivid, and durable color graphics display with touch screen interface
• Ethernet, RS-232, and (optional) USB com ports
• Front panel USB connections for peripheral devices and firmware upgrades
• 12 independent timers for sequences
• Nested sequences (up to 5 levels)
• Software linearization of mass flow controllers (MFC)
• 4 calibration ports (configurable for single or multi-blend gases)
• 3^rd MFC for wide dynamic range (optional)
• Glass gas phase titration chamber (GPT)
• Inlets for external ozone reference sources
• Two-year warranty.

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The 751H includes a dew point sensor, a small, powerful pump, scrubbers to remove SO2, NO, NO2, O3, H2S, and NH3 plus high performance scrubbers to remove CO and Hydrocarbons. The regenerative heatless dryer removes water and produces output with a dew point of -20ºC (up to 10 SLPM flow rate).

The 751H features tank-less operation for real-time pressurised output without “pulsing.” A micro-controller cycles the regenerative dryer and pressurized drain and features a short cycle interval of 1 minute for high humidity applications.

Features

• Rugged traveling case with wheels and retractable handle
• Dew point indicator
• Long life scrubbers for SO₂, NO, NO₂, O₃, H₂S, and NH₃
• High Performance CO/Hydrocarbon scrubber
• Regenerative, heat-less dryer for maintenance-free water removal
• Automatic water drain
• Once/year maintenance interval
• Two-year warranty.

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The Model T700 can be equipped with an optional UV ozone generator for accurate, dependable ozone calibrations, and to enable production of NO₂ when blended with NO gas in the included, internal gas phase titration (GPT) chamber.  An optional photometer allows even more precise control of the ozone generator giving accurate and dependable ozone calibrations and enhanced GPTs.  To ensure the highest accuracy of NO₂ output, the T700 with the photometer option can measure the ozone concentration prior to performing a GPT.  A nearly unlimited number of calibration sequences may be programmed into the non-volatile memory of the Model T700, covering time periods up to a year. 

All T Series instruments offer an advanced color display, capacitive touch screen, intuitive user interface, flexible I/O, and built-in data acquisition capability.  All instrument set up, control and access to stored data and diagnostic information is available through the front panel, or via RS232, Ethernet, or USB com ports, either locally or by remote connection.

The Model T700 comes with NumaView Software. NumaView Remote PC Software allows for a remote connection with virtual interface and data downloading capability to analyzers operating NumaView Software.​

Features

• Generates precise calibration gases for SO₂, H₂S, NO, NO₂, CO, O₃, and others
• Large, vivid, and durable color graphics display with touch screen interface
• Ethernet, RS-232, and (optional) USB com ports
• Front panel USB connections for peripheral devices and firmware upgrades
• 12 independent timers for sequences
• Nested sequences (up to 5 levels)
• Software linearisation of mass flow controllers (MFC)
• 4 calibration ports (configurable for single or multi-blend gases)
• 3^rd MFC for wide dynamic range (optional)
• Gas phase titration chamber (GPT) (optional)
• Ozone generator and photometer allow use as a primary or transfer standard (optional)
• Inlets for external ozone reference sources
• Two-year warranty

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The Model T750 can be equipped with an optional UV ozone generator for accurate, dependable ozone calibrations, and production of NO₂ when blended with NO gas in the included, internal gas phase titration (GPT) chamber.  An optional photometer allows even more precise control of the ozone generator giving accurate and dependable ozone calibrations and enhanced GPT.  A number of calibration sequences may be programmed into the non-volatile memory of the Model T750, covering time periods up to a year.

All T Series instruments offer an advanced color display, capacitive touch screen, intuitive user interface, and flexible I/0.  All instrument set up, control and diagnostic information is available through the front panel, or via RS232, Ethernet, or the optional USB com port, either locally or by remote connection.

The Model T750 comes with NumaView Software. NumaView Remote PC Software allows for a remote connection with virtual interface and data downloading capability to analyzers operating NumaView Software. 

Features

• Generates precise calibration gases for SO₂, H₂S, NO, NO₂, CO, O₃ and others
• Large, vivid, and durable color graphics display with touch screen interface
• Ethernet, RS-232, and (optional) USB com ports
• Front panel USB ports for peripheral devices and firmware upgrades
• Nested sequences (up to 5 levels)
• Software linearisation of mass flow controllers (MFC)
• 3rd MFC for wide dynamic range (optional)
• Gas phase titration chamber (GPT) (optional)
• Ozone generator and photometer allow use as a primary or transfer standard (optional)
• Inlets for external ozone reference sources
• Two-year warranty.

Download Specifications

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Defender 510 and Defender 520

• Volumetric accuracy: ± 1% of reading
• Three flow ranges: Low: 5 – 500 ccm; Medium: 50 – 50,000 ccm; High: 300 – 30,000 ccm
• Defender 510 volumetric primary flow standard
• Defender 520 enhanced volumetric primary flow standard
• Documents temperature and pressure for enhanced audit trail.

Defender 530+

• Three flow ranges: Low: 5 – 500 ccm; Medium: 50 – 50,000 ccm; High: 300 – 30,000 ccm
• Volumetric accuracy: ± 0.75% of reading
• Primary flow standard
• Standardised accuracy: ± 1% of reading
• Swagelok fittings

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Technical Specifications

• Approximate Time per Reading: 1-15 seconds
• Reading Styles (with averaging function userselectable from 1 to 100 measurement): Single (manual), Continuous or Burst
• Gas Compatibility: Non-corrosive, non-condensing, less than 70% humidity
• Flow Modes: Pressure or Suction
• Measurement Cell Style: Integrated
• AC Adapter/Charger: 12V DC, >250ma, 2.5 mm center positive
• Battery System: 6V rechargeable, sealed lead-acid, 6-8 hrs typical operation
• Battery Operational Time (5 cycles/min): 3 hrs backlight on, 8 hrs backlight off
• Pressure and Suction Fittings: 1/4” ID Swagelok® compression fittings, 3/8” fittings on High Model
• Warranty: 1 year; battery 6 months
• Storage Temperature: 0-70°C
• Ambient Humidity: 0-70%, non-condensing
• Operating Pressure (Absolute): Atmospheric, 15 PSI Max
• Display: Backlit graphical LCD
• Data Port (for PC interface): Serial (RS-232)
• Data Cable (for PC interface): 1 meter (Defender Data Port to PC included)
• Protective Case: Pelican case available
• Dimensions (H x W x D): 5.5” x 6” x 3” / 140 x 150 x 75 mm
• Weight: 29 oz / 820 g

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DryCal 800: Primary Piston Prover
A positive displacement primary piston prover for gas flow measurement
• ±15% Accuracy Primary Flow Standard
• NVLAP accredited, ISO 17025
• Proven DryCal technology features a near frictionless piston and flow cell design that provides highly accurate, liquid free and reliable gas flow readings independent of the gas species measured.
• 5 interchangeable flow cells available to range from 0.5ccm to 100SLPM.
• User friendly Drycal Pro Software to view and plot data in real time and export.
• LCD touch screen
• Variable Area Gas flow meter Calibration
• Flow bench systems available for specific applications
• Integrator Pro to allow fast and accurate calibration of MFCs and MFMs
• Firmware upgrade via communication port- no disassembly required.

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Technical Specifications

• 0.5 sccm – 100 slpm Flow Range.
• 0.25% Measurement Uncertainty (0.5 – 50 sccm).
• 0.15% Measurement Uncertainty (5 – 100,000 sccm).
• 5 Interchangeable Flow Cells.
• Proven DryCal Technology – Accurate and reliable gas flow readings independent of gas species measured.
• Innovative – 100:1 turndown ratio; accurately measuring flow rates as low as 0.5 sccm.
• Simple touch screen operation.
• Quality and Expertise — 0.08% Scope of Accreditation for gas flow by NVLAP of NIST; Over 20 years of experience providing training, installations, system consulting, and custom solutions.
• 1/4″ ID Swagelok^® tube compression fitting (1/8″ fittings Model 800-3) (1/2″ outlet fitting Model 800-44)
• Serial (RS-232) and USB.
• CE / RoHS compliance

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The 1020 and 1500 are precise primary gas flow calibrators engineered for the calibration of high flow meters, for use with non-corrosive, non-condensing, non-combustible gases with less than 70% humidity.

The innovative benchtop design is a welcome change from the large bell prover system. Features include:

• DryCal Pro Software to view and plot data in real time and enter flow rates and data
• LCD display and touchpad
• Automatic or manual flow calibrations
• Easily calibrate volumetric instruments
• Proven DryCal Technology for accurate and reliable measurement of gases independent of species
• Gas sensor input factor.

DryCal 800

• Suitable for laboratory and industrial process control requirements
• Flow Range: 0.5 to 100,000 scm
• Five interchangeable flow cells to choose from
• 100:1 turndown ratio
• Volumetric and standardised accuracy: ±0.15% (5 – 100,000 ccm)
• Low flow volumetric and standardised accuracy: ±0.25% (0.5 – 50 ccm)
• New DryCal 800 base offers touch screen, USB and RS-232 interfaces, and a low-profile design and is compatible with all existing DryCal 800 flow cells and software.

DryCal 1020

• High Precision Primary Piston Prover
• Range: 5-500 SLPM
• Accuracy: ±0.25% of reading standardised
• Pressure Range: Operating (Absolute) 10-19.5 PSI.

DryCal 1500

• High Precision Primary Piston Prover
• Range: 15-1500 SLPM
• Accuracy: 0.40% of reading
• Pressure Range: Operating (Absolute) 45 PSI
• Upstream flow measurement capacity of 1500LPM.

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DeltaCal
The BGI deltaCal® is a simple-to-use, NIST Traceable Standard for volumetric air flow, barometric pressure, and ambient temperature.

The deltaCal is a venturi based system with built-in compensation for changes in ambient temperature and pressure. All deltaCal systems are built and tested at Mesa which is a NIST traceable Calibration Laboratory.

To begin calibration, simply replace the sampler inlet head on any U.S. EPA PM10 and PM2.5 designated samplers with the deltaCal sampling head. Additionally, the deltaCal is useable with any air sampler in the 1.5 to 19.5 LPM range with an accessory adapter. The higher flow DC100 Model allows for calibration of European standard PM samplers. The lower flow DC200 Model allows for calibration of nephelometers and other light scattering particulate monitors.

• DC1 Model provides flow range of 1.5-19.5 LPM
• DC100 Model provides flow range of 10 – 60 LPM
• DC200 Model provides flow range of 0.3-3.5 LPM
• IST-traceable accuracy ≤ 1% of flow reading<
• Continuous uninterrupted output display of all parameters

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TetraCal
NIST Traceable standard for volumetric air flow, barometric pressure and ambient temperature
For calibration of:
– Environmental and industrial hygiene air sampling instruments
– Particulate samplers to US EPA requirements
• Simple on/off design
• Use on any sampler in the range 0.1 – 60 LPM
• Portable Venturi based calibrator
• 20 hr battery life
• Optional external temperature probe
• Use in the field or laboratory

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The T753U operates in two modes; a high range, and a low range, or “fractional” mode, for producing accurate Ozone levels down to 2 ppb which meets the latest US EPA calibration requirements for Trace-level Ozone gas instruments. The mode is automatically selected based on the Ozone concentration range chosen by the user. To ensure high accuracy and stability of the Ozone output, the calibrator constantly measures the Ozone concentration being produced with an internal photometer and uses it to actively control the Ozone generator in real-time. The internal photometer can be certified by another external Reference Standard by simply using the ‘photometer input loop’ located beneath the fold up panel. The T753U Portable Ozone Calibrator combines performance and convenience for the most demanding applications.

The T753U Portable Ozone Calibrator’s performance is characterized by our own Model T265 Chemiluminescence O3 Analyzer; a US EPA Federal Reference Method (FRM) for Ozone. With an interference-free Ozone measurement and best available lower detection limit (LDL) of < 0.3 ppb, the T753U performance is proven by the most sensitive Ozone gas analyzer technology available.

All T Series instruments offer an advanced color display, capacitive touch screen, intuitive user interface, and flexible I/0.  All instrument set up, control and diagnostic information is available through the front panel, or via RS232, Ethernet, or the optional USB com port, either locally or ​by remote connection.

The Model T753U comes with NumaView Software. NumaView Remote PC software allows for a remote connection with virtual interface and data downloading capability to analyzers operating NumaView Software.​

Features

• Transfer standard for calibration of ozone analyzers
• Stable and accurate ozone output to 2 ppb
• Built-in ozone generator and photometer
• Large, vivid, and durable color touchscreen display
• Ethernet, RS-232, and (optional) USB com ports
• Front panel USB ports for peripheral devices and firmware upgrades
• 12 independent timers for sequences
• Nested sequences (up to 5 levels)
• Flow adjustable from 2 to 5 LPM (with internal zero air source)
• Flow adjustable from 2 to 15 LPM (with external zero air source)    
• Inlets for external ozone reference sources
• Internal Zero Air Source Module (optional)
• Two-year warranty​.

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