The testo 425 hot wire anemometer provides incredible accuracy and is easy to use. The telescoping handle of this CFM meter extends to 33 inches, putting even high-up ductwork within reach. The testo 425 anemometer is ideally suited for low flow and velocity applications, and provides accurate, fast, and easy readings.

Features:

Telescoping hot wire probe
Measures velocity, volume flow (CFM), and temperature
Timed and multi-point average flow calculations
Auto-off function saves battery life

More products TESTO

TESTO 206 PH2 - INSTRUMENT KIT

• pH2 probe head for semi-solid food
• Automatic full-scale recognition
• Maintenance-free gel electrolyte
• Leak-proof storage gel

TESTO 826-T4 - INFRARED THERMOMETER WITH LASER MARKING AND PENETRATION PROBE FOR FOOD (6:1 OPTICS)

• Even more accurate measurements thanks to the new processor
• Improved control of limit values due to min./max. function
• Combined instrument with infrared and penetration measurement
• Optical and audible alarm

TESTO 312-2 - PRESSURE MEASURING INSTRUMENT UP TO 40/200 HPA

• DVGW-tested
• Switchable measuring ranges with high resolution
• Alarm indicator for undershooting of freely adjustable limit values
• Print out of measurement data with the testo fast printer

TESTO 435-2 - MULTIFUNCTION METER W/ MEMORY AND SOFTWARE

• Built-in memory stores up to 10,000 measurements
• Optional wireless (RF) temperature and humidity probes for remote measurement
• Backlit LCD for easy viewing
• Optional printer allows for easy documenting of measured data

TESTO 608-H2 - THERMAL HYGROMETER

• Measures and displays temperature and humidity
• Calculates and displays the dew point
• LED alarm is activated when thresholds are exceeded
• Long-lasting quality: long-time stable humidity sensor guarantees years of measuring

TESTO 440 - AIR VELOCITY AND IAQ MEASURING INSTRUMENT

• Intuitive: Clearly structured measurement menus for volume flow, degree of turbulence, heating/cooling output, mold detection, and long-term measurement, such as CO2
• Wireless: Optional Bluetooth probes for extra convenience when measuring, and less cable clutter in your instrument's case (probes sold separately)
• Clear Overview: Large graphic display with parallel display of 3 readings
• Reliable: Internal memory for data storage and USB port for data export

TESTO 550 - DIGITAL MANIFOLD KIT WITH BLUETOOTH

• Bluetooth / app integration for monitoring, report generation, and sending reports and invoices via email (range of 65 feet)
• 2-way valve block with three connections
• 60 refrigerant profiles stored in the instrument
• Simplified menu structure using ESC key

TESTO 623 - THERMOHYGROMETER

• Measures room temperature / humidity / alerts the occupants when thresholds are reached
• Large, easy to read display / shows current reading / provides at-a-glance 90-day statistic snapshot
• Long term stable sensor for long term / high quality readings
• Table and wall mount included

TESTO SAVERIS 2 - SET FOR TEMPERATURE MONITORING IN REFRIGERATORS

• Automatic temperature monitoring in refrigerators: reliable and convenient
• Clever alarm system: warning by e-mail or SMS for critical temperature values
• Access to measuring value documentation possible at any time
• Advantage of the set: equipment ideally suited for refrigerator temperature monitoring and attractive price

TESTO 512 - PRESSURE AND FLOW VELOCITY MEASURING INSTRUMENT 0 TO 2000 HPA

• 7 pressure units to choose from: psi, kPa, hPa, mmH2O, mmHg, inH2O, inHg
• Large measuring range up to 2000 hPa
• TopSafe protective case (optional) protects against impact, dirt, and spray water
• Backlit display / min and max values / hold function