Brand: FORENSICS DETECTORS
Model: FD-90A-CH4S
User Manual (PDF): EN | DE | FR | ES | IT |
Application: Blog explanation
Features:
- ⚛️ DETECT: Ultrasensitive Mercaptan (CH4S) gas detector, 0 - 10 ppm with 0.01 ppm resolution.
- 🌷 ACCURATE: Electrochemical NANO-GAS sensor.
- 🎆 ALARMS: Adjustable audio, visual, and vibration alarms. Temperature, battery, and time tracking.
- 💪 STRONG: Shockproof, water-resistant, dustproof, and explosion-proof.
- 🕵️ TRUSTWORTHY: 1-year limited warranty. Arrives with a signed and dated calibration certificate.
Details: This is our professional Mercaptan (CH4S) gas detector by FORENSICS with advanced functions that comes factory-calibrated. Mercaptan is sometimes referred to as mercaptan, methyl mercaptan, or methanethiol. Its chemical formula is presented as CH4S, MeSH, or CH3SH. Mercaptan is used as a gas odorant; an intermediate in the production of pesticides, jet fuels, and plastics; and in the synthesis of the amino acid methionine. Because methyl mercaptan is a gas at ambient temperature, the most likely exposure routes are inhalation and dermal. It has a pungent garlic, rotten cabbage, or skunk-like odor. OSHA PEL is recommended at 10 ppm over 8 hours, and the NIOSH recommended exposure is 0.5 ppm over 10 hours.
Included: Mercaptan gas detector, belt clip, sling, user manual, USB charging cable, calibration cover, and certified calibration certificate.
Calibration Options:
1. Professional Calibration: Serviced by Forensics
2. Calibration Guide: Calibrate It Yourself
Calibration Kit (needed to calibrate yourself - sold separately):
Calibration Gas (H2S) (Surrogate Gas 5ppm H2S: 10ppm CH4S is used for calibration - email us for this special H2S 5ppm concentration.)
Calibration Gas Regulator (C10)
Bump Gas (H2S)
Tubing
Accessories (sold separately):
Pump and Probe
Gas Detector Hard Case
Gas Detector Pouch
Gas Detector Stand
Gas Sensor Replacement (email us)
Specifications
Mercaptan (CH4S) Detection: 0 - 10 ppm with 0.01 ppm resolution
Recommended Calibration Period: 12 months
Sampling Type: Diffusive (no pump). Optional external pump available.
Gas Sensor Type: Electrochemical Gas Sensor
Gas Sensor Life: 2 - 3 years
Error: ≤ ± 5% F.S
Response Time: < 30 sec
Indicators: LCD indicates the time, concentration, internal electronics temperature tracking, and battery level
Alarm: LED, Buzzer, and Vibration
Datalogging: No
Store / Operating Temp: 0°F - 122°F (-18°C to 50°C)
Store / Operating Humidity: <95%RH
Voltage: DC 3.7V Li-battery 1500 mAh
Working Time: > 24 hours
Charging Time: 4 hours
Explosion Rating: ATEX certified Ex ib IIC T4 Gb (PDF)
Weight: 5 oz / 140 g
Dimensions: 4.3 x 2.3 x 1.7 inches (10.9 × 5.8 × 4.3 cm)
Calibration Location (USA): Los Angeles, California, USA
Calibration Standard (USA): USA NIST Traceable Gas Source
Calibration Location (Europe): Athens, Greece
Calibration Standard (Europe): European NPL Traceable Gas Source