Formaldemeter htV is a handheld, direct-reading portable instrument that offers a convenient way to monitor levels of airborne formaldehyde. The htV can precisely measure formaldehyde concentrations in parts per million (ppm) and mg/m3 over a wide range of temperature and humidity conditions. Fast and easy to use, it employs a proven sensor technology that provides an immediate indication of formaldehyde levels.

Product Highlights

  • Rapid response time
  • Small, light-weight, hand-held instrument
  • Built-in sampling pump
  • Monitors and displays temperature and relative humidity
  • Easy to use and simple to calibrate
  • Standard 9V alkaline battery operation



Unit of Measure

Range (CO)

N/A See Spec Sheet ppm


N/A See Spec Sheet

Power Requirements

N/A PP3 9v alkaline battery or 9-15v DC supply


N/A 1.65 lbs

General Description


Sensor: Electrochemical

Calibration: In-field formaldehyde calibration standard

Display: 4-digit LCD

Sampling method: 10ml sample of air taken by internal pump

Sampling frequency: 1 minute in normal IAQ conditions

Response Time: 60 seconds in high accuracy mode, approx. 8 seconds in low accuracy

Mechanical: 3.25 W x6 H x 1.25 D inches (80 x 150 x 34mm) ABS plastic case. Padded accessory case 266 x 230 x 50mm

Weight: 270g with 9v PP3 battery. Total kit weighs 750g

Power: PP3 9v alkaline battery or 9-15v DC supply