Mass Flow Controllers & Meters

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FP-25 Calibrator Kit for Air Quality Monitoring

The FP-25 Calibrator Kit for Air Quality Monitoring is built to quickly and easily audit particulate matter samplers (PM10 and PM2.5), able to calibrate air quality testing devices down to 0.125 SLPM with accuracy of ±1% of reading.
  • PM air monitor compatibility. Compatible with all PM air monitors: TEOM, Partisol, Beta Attenuation Monitors (BAM), T640.
  • Easy integration. A Bluetooth antenna plus our Alicat Connect app allows you to remotely read air sampler measurements, with added data logging capabilities for integration with data management software.
  • Accurate, multi-variate measurement. NIST-traceable mass flow, volumetric flow, pressure, and temperature measurements to ±1% of reading.
  • Portable & durable. The portable, battery-powered calibrator mounts directly to your air monitoring (FRM or FEM) instrument to negate the effects of wind gusts. Built to withstand any weather, the FP-25 calibrator is IP67 rated and has internal sensors that are accurate from -30°C to +60°C and up to 95% relative humidity.

To learn more about how the FP-25 works, check out this article.

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Included with calibrator kit purchase
  • FP-25 flow calibrator
  • External temperature probe with 6 ft of cable and locking M8 connector
  • Bluetooth antenna with threaded SMA connector
  • Micro-USB to USB cable for charging and communications
  • USB wall adapter for charging
  • 1/4″ NPT barb adapter (1/4″ barb) with face seal
  • 1/4″ NPT fittings with face seals for pass-through connection to 1-1/4″ OD air sampler downtubes
  • NIST-traceable calibration certificate
  • Custom-fit hard case
  • FlowVision software (free download)
  • Alicat connect mobile app (free Android download | free iOS download)

Buy online  Request a quote

Included with calibrator kit purchase
  • FP-25 flow calibrator
  • External temperature probe with 6 ft of cable and locking M8 connector
  • Bluetooth antenna with threaded SMA connector
  • Micro-USB to USB cable for charging and communications
  • USB wall adapter for charging
  • 1/4″ NPT barb adapter (1/4″ barb) with face seal
  • 1/4″ NPT fittings with face seals for pass-through connection to 1-1/4″ OD air sampler downtubes
  • NIST-traceable calibration certificate
  • Custom-fit hard case
  • FlowVision software (free download)
  • Alicat connect mobile app (free Android download | free iOS download)

Device specs and customization options

Compatible Samplers and Analyzers

The FP-25 can be used to audit and calibrate flow, pressure, and temperature readings for the samplers and analyzers below:

  • PM10 and PM2.5 FRM samplers (16.7 LPM) – Mesa Labs PQ series, Met One E-FRM, Thermo Scientific Partisol 2000/2025(i) and Dichots, Tisch TE-Wilbur
  • PM10 and PM2.5 FEM analyzers (16.7 LPM) – Environment S.A. MP101M, Met One BAM-1020/1022 and E-BAM, Thermo Scientific BAM 5014i, SHARP 5030i and TEOM 1400(a/ab)/ 1405 and Dichots, Teledyne T640
  • IMPROVE network PM samplers (22.8 LPM)
  • Low-flow PM samplers (1-5 LPM) – Ecotech MircoVol and Protinus, Grimm EDM, Met One E-Sampler
  • Carbon speciation samplers (22.0 LPM) – URG-3000(N)
  • Carbon speciation samplers (6.7 LPM) – Met One SASS and SuperSASS
  • Black carbon analyzers (1-5 LPM) – Magee Aethalometer, Met One BC-1050

For help setting up your calibrator, read more here.

FP-25 Quick Specs
FP-25 performance
  • Flow range: 0.125 to 25 SLPM
  • Flow measurement range: 0.5% to 100% of full scale
  • Flow accuracy (NIST-traceable): ±1% of reading
  • Barometric pressure accuracy (NIST-traceable): ±1 mmHg
  • Temperature probe accuracy (NIST-traceable): ±0.2 ºC
  • Pressure drop: 0.10 PSID at 16.7 LPM; 0.16 PSID at 25 LPM
  • Typical flow reading response time: 5 ms (may be up to 10 ms under very low flow conditions)
  • Typical temperature and humidity equilibration: <5 minutes
FP-25 operating conditions
  • Compatible gases: Ambient air only
  • Operating temperature: -30°C to +60°C
  • Ambient pressure: 475-825 mmHg
  • Proof pressure: 80 PSIA
  • Max differential pressure: 10 PSID
  • User selectable reference conditions (defaults): 25°C & 1 ATM (STP) and 0°C & 1 ATM (NTP)
Device Ranges & Full Specs

Devices flow 25 SLPM full scale with measurement ranges of 0.5% to 100% of full scale.

For a comprehensive device guide, read the FP-25 flow calibrator manual.

Not exactly what you’re looking for?

  • Check out our other flow or pressure measurement and control solutions.
  • Our expert team of applications engineers is available to provide additional information, discuss your application, or answer any questions you may have.

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