Mass Flow Controllers & Meters

model

FP25 High Accuracy Flow Calibrator for Pollution Monitoring

The FP-25 calibration kit is designed for easy and accurate air quality sampler calibration. Audit PM10 and PM2.5 air sampling equipment and conduct leak checks with ease. The calibrator mounts directly to your FRM or FEM air sampler to negate the effects of wind gusts, and its internal sensors are accurate from -30°C to +60°C and 0-95% relative humidity. IP 66 rating means accuracy in any weather conditions.

The unit comes with a Bluetooth antenna that is strong enough to go through a steel shipping container. Our specialized Alicat Connect App means you can remotely read measurements and conduct audits. Alicat Connect now features data logging capabilities for integration with data management software.

Accurate

  • NIST Traceable Flow, Pressure, and Temperature Calibration – Comes with Certificate
  • Flow Accuracy of +/- 1% of Reading – Even at Low Flow Rates
  • Accurate in Any Weather – From -30°C to +60°C,
  • Includes relative-humidity sensor accurate up to 95% RH

Easy to Use

  • Portable Field Calibrator – Rechargeable Battery, Compact, Comprehensive Kit
  • Comes with Bluetooth and Alicat Connect App – Capture Your Flow Data in Real Time

Durable

  • Waterproof Pelican Case – Custom Inserts for FP-25 and Accessories
  • Drop Resistant Technology – No Glass, No Pistons, No Problems

Performance

  • Flow range: 0.125-25.000 lpm/slpm
  • Flow accuracy: +/- 1% of the reading (NIST-traceable)
  • Barometric pressure accuracy: +/- 1 mmHg (NIST-traceable)
  • Temperature probe accuracy: +/- 0.2 ºC (NIST-traceable)
  • Pressure drop: 0.10 psi at 16.7 lpm, 0.16 psi at 25.0 lpm
  • Typical flow reading response time constant: 5 ms (may be up to 10 ms under very low flow conditions)
  • Typical temperature and humidity equilibration: less than 5 minutes

Operating Conditions

  • Compatible gases: ambient air only
  • Operating temperature: -30°C to +60°C
  • Ambient pressure: 475-825 mmHg
  • Max internal pressure (static): 45 psig (60 psia)
  • Max differential pressure (inlet to outlet): 15 psid
  • Proof pressure: 175 psig (190 psia)
  • STP/NTP: user-selectable (defaults to 25°C & 1 atm STP/0°C & 1 atm NTP)

In the box

FP-25 air quality field calibration kit

Alicat FP-25 flow calibrator kit contents

Flow Calibrating a Met One BAM 1020/1022 FEM Sampler

Alicat FP-25 flow calibrating a rooftop Met One BAM 1020/1022 FEM air sampler

Alicat FP-25 flow calibrating a rooftop Met One BAM 1020/1022 FEM air sampler

Method 1: Direct Mode

Direct Mode connects the Alicat FP-25 directly to your sampler’s downtube. The pass-through connection most closely replicates sampler operating conditions. The low pressure drop of the Alicat ensures that it is virtually invisible to your air sampler.

  1. Thread the Direct Mode downtube adapter into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Thread the Direct Mode PM inlet adapter into the inlet of the FP-25 until its face seal is tight against the flow body.
  3. Fit the FP-25 onto the BAM downtube, and place the PM10 inlet on top of the FP-25. If using a PM2.5 cyclone, leave it in place, and fit the FP-25 between it and the PM10 inlet.
  4. Insert the FP-25 external temperature probe into the sampler’s radiation shield.
  5. Be sure to tare the Alicat FP-25 before you begin the BAM 1020 or BAM 1022 flow calibration.

Alicat FP-25 flow calibrating a rooftop Met One BAM 1020/1022 FEM air sampler

Alicat FP-25 flow calibrating a rooftop Met One BAM 1020/1022 FEM air sampler

Method 2: Standard Mode

Standard Mode connects the FP-25 to any air sampler by means of a hose barb and silicone tubing. FRM and FEM samplers will use their flow audit adapters for this setup.

  1. Thread the barb fitting into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Push the silicone tubing onto the barb.
  3. Fit the other end of the tubing onto the barb of the BAM flow audit adapter.
  4. Place the flow audit adapter onto the top of the BAM downtube, or the PM2.5 cyclone if you are using one.
  5. Insert the FP-25 external temperature probe into the sampler’s radiation shield.
  6. Be sure to tare the Alicat FP-25 before you begin the BAM 1020 or BAM 1022 flow calibration.

Alicat FP-25 leak checking a Met One BAM 1020/1022 FEM air sampler

Alicat FP-25 leak checking a Met One BAM 1020/1022 FEM air sampler

Pressure Monitoring During External Leak Checks

The pass-through setup (Direct Mode) can also be used to provide pressure monitoring during leak check procedures. During the leak check, monitor internal pressure with absolute or gauge reference in the engineering unit of your choosing.

  1. Thread the Direct Mode downtube adapter into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Thread the Direct Mode PM inlet adapter into the inlet of the FP-25 until its face seal is tight against the flow body.
  3. Fit the FP-25 onto the BAM downtube.
  4. Fit the leak check adapter onto the PM inlet adapter of the FP-25.
  5. Select gauge or absolute pressure on the FP-25 to monitor sampler pressure during the leak check.

Flow Calibrating a Met One SASS or Super SASS Speciation Sampler

Alicat FP-25 flow calibrating a Met One SASS

Alicat FP-25 flow calibrating a Met One SASS

  1. Thread the barb fitting into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Push the silicone tubing onto the barb.
  3. Connect the other end of the tubing to the inlet tube of the canister’s sharp cut cyclone (SCC).
  4. Insert the FP-25 external temperature probe into the SASS radiation shield.
  5. Be sure to tare the Alicat FP-25 before you begin the SASS flow calibration.

Alicat FP-25 flow calibrating a Met One SASS

Alicat FP-25 flow calibrating a Met One SASS

Flow Calibrating a Partisol/Thermo Scientific PM10 FRM Sampler

Alicat FP-25 flow calibrating a Thermo Scientific Partisol 2000 FRM air sampler

Alicat FP-25 flow calibrating a Thermo Scientific Partisol 2000 FRM air sampler

Method 1: Direct Mode

Direct Mode connects the Alicat FP-25 directly to your sampler’s downtube. The pass-through connection most closely replicates sampler operating conditions. The low pressure drop of the Alicat ensures that it is virtually invisible to your air sampler.

  1. Thread the Direct Mode downtube adapter into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Thread the Direct Mode PM inlet adapter into the inlet of the FP-25 until its face seal is tight against the flow body.
  3. Fit the FP-25 onto the Partisol downtube, and place the PM10 inlet on top of the FP-25.
  4. Insert the FP-25 external temperature probe into the sampler’s radiation shield.
  5. Be sure to tare the Alicat FP-25 before you begin the Partisol flow calibration.

Alicat FP-25 flow calibrating a Thermo Scientific Partisol 2000 FRM air sampler

Alicat FP-25 flow calibrating a Thermo Scientific Partisol 2000 FRM air sampler

Method 2: Standard Mode

Standard Mode connects the FP-25 to any air sampler by means of a hose barb and silicone tubing. FRM and FEM samplers will use their flow audit adapters for this setup.

  1. Thread the barb fitting into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Push the silicone tubing onto the barb.
  3. Fit the other end of the tubing onto the barb of the Partisol flow audit adapter.
  4. Place the flow audit adapter onto the top of the Partisol downtube.
  5. Insert the FP-25 external temperature probe into the sampler’s radiation shield.
  6. Be sure to tare the Alicat FP-25 before you begin the Partisol flow calibration.

Alicat FP-25 leak checking a Thermo Scientific Partisol 2000 FRM air sampler

Alicat FP-25 leak checking a Thermo Scientific Partisol 2000 FRM air sampler

Pressure Monitoring During External Leak Checks

The pass-through setup (Direct Mode) can also be used to provide pressure monitoring during leak check procedures. During the leak check, monitor internal pressure with absolute or gauge reference in the engineering unit of your choosing.

  1. Thread the Direct Mode downtube adapter into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Thread the Direct Mode PM inlet adapter into the inlet of the FP-25 until its face seal is tight against the flow body.
  3. Fit the FP-25 onto the Partisol downtube.
  4. Fit the leak check adapter onto the PM inlet adapter of the FP-25.
  5. Select gauge or absolute pressure on the FP-25 to monitor sampler pressure during the leak check.

Flow Calibrating a Thermo 2025i PM10/PM2.5 FRM Sampler

Alicat FP-25 flow calibrating a Thermo Scientific 2025i FRM air sampler

Alicat FP-25 flow calibrating a Thermo Scientific 2025i FRM air sampler

Method 1: Direct Mode

Direct Mode connects the Alicat FP-25 directly to your sampler’s downtube. The pass-through connection most closely replicates sampler operating conditions. The low pressure drop of the Alicat ensures that it is virtually invisible to your air sampler.

  1. Thread the Direct Mode downtube adapter into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Thread the Direct Mode PM inlet adapter into the inlet of the FP-25 until its face seal is tight against the flow body.
  3. Fit the FP-25 onto the 2025i downtube, and place the PM10 inlet on top of the FP-25.
  4. Insert the FP-25 external temperature probe into the sampler’s radiation shield.
  5. Be sure to tare the Alicat FP-25 before you begin the Thermo 2025i flow calibration.

Alicat FP-25 flow calibrating a Thermo Scientific 2025i FRM air sampler

Alicat FP-25 flow calibrating a Thermo Scientific 2025i FRM air sampler

Method 2: Standard Mode

Standard Mode connects the FP-25 to any air sampler by means of a hose barb and silicone tubing. FRM and FEM samplers will use their flow audit adapters for this setup.

  1. Thread the barb fitting into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Push the silicone tubing onto the barb.
  3. Fit the other end of the tubing onto the barb of the 2025i flow audit adapter.
  4. Place the flow audit adapter onto the top of the 2025i downtube.
  5. Insert the FP-25 external temperature probe into the sampler’s radiation shield.
  6. Be sure to tare the Alicat FP-25 before you begin the Thermo 2025i flow calibration.

Alicat FP-25 leak checking a Thermo Scientific 2025i FRM air sampler

Alicat FP-25 leak checking a Thermo Scientific 2025i FRM air sampler

Pressure Monitoring During External Leak Checks

The pass-through setup (Direct Mode) can also be used to provide pressure monitoring during leak check procedures. During the leak check, monitor internal pressure with absolute or gauge reference in the engineering unit of your choosing.

  1. Thread the Direct Mode downtube adapter into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Thread the Direct Mode PM inlet adapter into the inlet of the FP-25 until its face seal is tight against the flow body.
  3. Fit the FP-25 onto the 2025i downtube.
  4. Fit the leak check adapter onto the PM inlet adapter of the FP-25.
  5. Select gauge or absolute pressure on the FP-25 to monitor sampler pressure during the leak check.

Flow Calibrating a URG-3000 Carbon Speciation Sampler

Alicat FP-25 flow calibrating a URG-3000 carbon sampler

Alicat FP-25 flow calibrating a URG-3000 carbon sampler

Method 1: Direct Mode

Direct Mode connects the Alicat FP-25 directly to your sampler’s downtube. The pass-through connection most closely replicates sampler operating conditions. The low pressure drop of the Alicat ensures that it is virtually invisible to your air sampler.

  1. Thread the Direct Mode downtube adapter into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Connect the FP-25 to the URG downtube reducer, and place the assembly onto the top of the URG-3000 downtube.
  3. The URG-3000 temperature sensor is located at the bottom of its Module C box. Place the FP-25 external temperature probe near this location.
  4. Be sure to tare the Alicat FP-25 before you begin the URG flow calibration.

Alicat FP-25 flow calibrating a URG-3000 carbon sampler

Alicat FP-25 flow calibrating a URG-3000 carbon sampler

Method 2: Standard Mode

Standard Mode connects the FP-25 to any air sampler by means of a hose barb and silicone tubing. FRM and FEM samplers will use their flow audit adapters for this setup.

  1. Thread the barb fitting into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Push the silicone tubing onto the barb.
  3. Fit the other end of the tubing onto the barb of the URG flow audit adapter.
  4. Connect the flow audit adapter to the URG downtube reducer, and place the assembly onto the top of the URG-3000 downtube.
  5. The URG-3000 temperature sensor is located at the bottom of its Module C box. Place the FP-25 external temperature probe near this location.
  6. Be sure to tare the Alicat FP-25 before you begin the URG flow calibration.

Alicat FP-25 flow calibrating a URG-3000 carbon sampler

Alicat FP-25 flow calibrating a URG-3000 carbon sampler

Pressure Monitoring During External Leak Checks

The pass-through setup (Direct Mode) can also be used to provide pressure monitoring during leak check procedures. During the leak check, monitor internal pressure with absolute or gauge reference in the engineering unit of your choosing.

  1. Thread the Direct Mode downtube adapter into the outlet of the FP-25 until its face seal is tight against the flow body.
  2. Thread the Direct Mode PM inlet adapter into the inlet of the FP-25 until its face seal is tight against the flow body.
  3. Connect the FP-25 to the URG downtube reducer, and place the assembly onto the top of the URG-3000 downtube.
  4. Fit the URG leak check adapter onto the PM inlet adapter of the FP-25.
  5. Select gauge or absolute pressure on the FP-25 to monitor sampler pressure during the leak check.

FP-25 (FP-25 kit with accessories and hard case) FP25
FP-25BT (FP-25 kit with Bluetooth antenna) FP25BT

Accessories

FP-PROBE (replacement external temperature probe)
FP-DMA1 (replacement Direct Mode inlet adapter with face seal)
FP-DMA2 (replacement Direct Mode outlet adapter with face seal)
FP-BARB (replacement barb adapter with face seal)
FP-TUBE (replacement tubing for barb connections)
FP-BTA (replacement Bluetooth antenna, compatible with FP-25BT only)
PVPS5USBU (replacement micro-USB cable and wall adapter)
SCASE (replacement hard case with custom foam inserts for FP-25 and FP-25BT)

Audit and calibration of PM ambient air samplers

Use the FP-25 or FP-25BT 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)–Environnement 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

 

Calibrating PM air samplers with the FP-25 is just one way that Alicat makes air monitoring easier.

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