Field Instruments

Product Overview

The Extech VFM200 VOC/Formaldehyde Meter is a compact, fast-response instrument designed to measure TVOC (Total Volatile Organic Compounds) and Formaldehyde (CH₂O / HCHO) concentrations in real time. It is ideal for monitoring indoor air quality in homes, offices, factories, hotels, schools, and other enclosed environments.

Equipped with a high-accuracy fuel cell formaldehyde sensor, the VFM200 provides reliable and rapid readings. The large backlit LCD simultaneously displays TVOC and HCHO levels, making it easy to assess environmental safety at a glance. Adjustable high/low alarms and dual measurement units enhance usability for professional air quality assessments.

Key Features

• Simultaneous display of TVOC and Formaldehyde (HCHO)
• Fast response time (< 2 seconds)
• High-accuracy fuel cell formaldehyde sensor
• Dual measurement units: ppm or mg/m³
• Adjustable audible and visual high/low alarms
• Backlit LCD for clear readings
• Auto power-off function
• Rechargeable battery with universal AC adaptor (US/EU/UK/AU plugs)

Technical Specifications

Manufacturer: Extech Instruments
Model: VFM200
Type: VOC / Formaldehyde Indoor Air Quality Meter

Measurement Specifications

TVOC (Total Volatile Organic Compounds)
• Range: 0.00 to 9.99 ppm (mg/m³)
• Resolution: 0.01 ppm
• Accuracy: ±5% FS

Formaldehyde (CH₂O / HCHO)
• Range: 0.00 to 5.00 ppm (mg/m³)
• Resolution: 0.01 ppm (mg/m³)
• Accuracy: ±5% FS

Response Time: < 2 seconds

Power & Physical Specifications

• Power supply: Rechargeable battery + AC adaptor
• Charge time: Approx. 3 hours
• Dimensions: 165 × 60 × 25 mm
• Weight: 584 g (1.3 lb)

Applications

• Indoor air quality monitoring
• Office and commercial building inspections
• Schools and hospitals
• New furniture or renovation testing
• HVAC performance evaluation
• Environmental and safety compliance checks

Common VOC Sources Detected

• Paints and adhesives
• Cigarette smoke
• Cleaning agents
• Pesticides
• New furnishings and wall coverings
• Automotive exhaust
• Solvents and fuels

Why Buy from FieldInstruments.lk?

• 100% genuine Extech instruments
• Competitive pricing with fast island-wide delivery
• Trusted supplier for professional environmental test equipment
• Expert local technical support and after-sales service

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk