The Extech VFM200 measures HCHO (formaldehyde) and TVOC (Total Volatile Organic Compounds).
Extech VFM200 Features:
- Fuel Cell Formaldehyde Sensor Technology
- High accuracy measurements
- Backlit LCD display
- Real‐time display of HCHO (formaldehyde) concentration in air
- Real‐ time display of TVOC (Total Volatile Organic Compounds) concentration in air
- Two unit selections (PPM, mg/m³) Audio‐visual High and Low Alarm
- Auto power off
SAFETY
- Do not store or use the instrument in an environment where there is corrosive gas
- Do not obstruct the sensors when in use
- Use only the supplied lithium‐ion battery to power the meter
- Use only the supplied AC adapter/battery charger to charge the lithium‐ion battery
MEASUREMENT REFERENCE TABLE
0.03 ppm Average outdoor level
0.10ppm Recommended upper limit for residences by ASHRAE, ANSI, EPA, NIOSH
0.40ppm Recommended upper limit for manufactured homes
0.50ppm OSHA workplace limit 0.75ppm OSHA TWA limit
0.80ppm Level at which most people first detect odor
2.00ppm OSAL STEL limit
VOC/Formaldehyde Meter Features
- Large backlit LCD display simultaneously displays four channels
- Selectable data sampling rate: 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800, 3600 seconds
- Remote vibration sensor with magnetic adapter on 39″(1m) cable
- Wide frequency range of 10Hz to 1kHz
- Basic accuracy of ±(5% + 2 digits
- Data Hold, Auto Power Off
- Complete with 4 remote sensors, magnetic mounts, 8 x AA batteries, 100-240V Universal AC Adaptor, SD card, and durable hard carrying case
