Combustibles Meter | EX LEL | USA NIST Calibration

  • Sale
  • $99.00
  • Regular price $195.00

Model: FD-90A-EX
User Manual: Click Here
Correcting %LEL Factors for other Gases/Vapors: Click Here


  • 🗽 ACCURATE: Professional and accurate EX LEL gas detector, 0 - 100% LEL. Comes FACTORY-CALIBRATED. Turn ON and GO.
  • 🚄 DETECT: Zero and span calibration options. Comes factory-calibrated.
  • 🎆 ALARMS: Adjustable audio, visual, and vibration alarms alert when preset levels are reached. 
  • 💪 STRONG: Shockproof, water-resistant, dustproof, and explosion-proof with belt clip.
  • 🕵️ TRUSTWORTHY: ** 1-year limited warranty ** Arrives with calibration and QA certificates ** Product tested and verified in the USA ** 

Details: A professional combustibles gas detector by FORENSICS with advanced features for personal protection. This detector is calibrated to methane and is sensitive to all combustibles. If you want to target a specific hydrocarbon, be sure to see the correcting factors for %LEL conversion. 

Included: Gas detector, belt clip, sling, English manual, USB charging cable, calibration cover, and USA NIST calibration certificate.

Calibration Kit (sold separately):  
Calibration Gas (EX)
Calibration Gas Regulator (C10)
Bump Gas (EX)

Accessories (sold separately):  
Pump and Probe
Gas Detector Hard Case
Gas Detector Pouch
Gas Detector Stand
Gas Sensor Replacement (EX) (email us)

Calibration Service (sold separately):
Gas Detector Calibration Service (single gas)


EX LEL combustibles detection: 0 - 100% LEL with 1% resolution
Accuracy: better than ± 5% F.S.
Response time: T < 30 sec
Indication: LCD indicates the time, concentration, temp, and battery state
Alarm: Indication of alarm and low voltage with LED, sound, and vibration
Operating temperature: 0F - 122F
Humidity: < 95% RH non-condensing
Operating voltage: DC 3.7V Li-battery 1500 mAh
Working time: > 24 hours
Charging time: 4 hours
Sensor life: 2 - 3 years (catalytic bead)
Recommended calibration period: 6-12 months
Protection category: IP65
Weight: about 130 g (including battery)