The testo 540 entry-level light meter is designed for carrying out spot checks in the workplace, shops, and offices. The light sensor is modelled on the spectral sensitivity of the human eye, and is ideal for measuring lighting conditions in the workplace.
This compact, easy to use meter has a number of useful functions and features, including a large, easy to read display, min/max values, a hold function, and a protective cap for safe storage.

Features:

For quick and easy measurements in the workplace
Sensor based on the spectral sensitivity of the human eye
Hold function, min/max values
Protective cap for safe storage

More products TESTO

TESTO 330I LX - ADVANCED FLUE GAS ANALYZER KIT

• Operation independent of measuring location and display of readings via smartphone or tablet and the testo 330i App
• Paperless documentation and report creation on site with the testo 330i App
• Reliable attachment of the flue gas probe with the testoFix probe holder
• Robust, completely enclosed plastic housing for use in harsh environments

TESTO 205 - ONE-HAND PH/TEMPERATURE MEASURING INSTRUMENT

• Ideal for measuring the pH value and temperature in semi-solid media, e.g. in meat
• Combined pH measuring tip with temperature probe - can be changed by the user
• Maintenance-free pH measurement thanks to gel electrolyte
• Two-line, illuminated display: pH value and temperature at a glance

TESTO 320 FLUE GAS ANALYZER FOR O2, CO2 AND CO 0632-3220

• High-resolution colour graphic display
• Quick and easy menu structure
• Storage space for 500 measurement values
• Measurement of flue gas, draught, pressure, ambient CO,
• differential temperature and gas leak detection
• O2 and CO sensor and flue gas probe with temperature probe
• TÜV-tested according to EN 50379, Parts 1-3

TESTO 312-4 - DIFFERENTIAL PRESSURE MEASURING INSTRUMENT UP TO 200 HPA

• Tightness testing and load testing on gas pipes
• Serviceability testing with air by pressure drop on gas pipes
• Pressure testing on drinking water and waste water pipes using air
• Automatic recording of measuring values over several hours

TESTO SAVERIS 2-H2 - WI-FI DATA LOGGER FOR THE EXTERNAL TEMPERATURE AND HUMIDITY PROBE

• Plug-in temperature and humidity probes
• Large, easy to read display
• Automatically transmits data over 2.4 GHz Wi-Fi networks
• Stores up to 10,000 values per channel (temperature and humidity)

TESTO 350 INDUSTRIAL FLUE GAS ANALYZER 0632-3510 0632-3511

• The portable flue gas analyser testo 350 is the ideal tool for professional flue gas analysis
• measures up to six different parameters like O2, CO, COlow, NO, NOlow, NO2, SO2, CO2, CxHy and H2S

TESTO 440 - INDOOR COMFORT COMBOKIT WITH BLUETOOTH

• Accurate measurement results, thanks to air density compensation via integrated absolute pressure measurement
• Measuring range: 0 to 10,000 ppm, 14 to 122 °F, and 5 to 95% RH
• The Bluetooth handle makes it more convenient to carry out your measurements and guarantees less cable clutter in your case - it transmits readings to the testo 440, from up to 65 feet away
• Practical button on the handle - for storing individual readings
• Versatile - the universal handle can be connected to all probe heads, so you can take care of more applications, and use less equipment

TESTO 885-2 - THERMAL IMAGER (320 X 240 FPA)

• Optional 11° telephoto lens, allows for detailed imaging at a distance
• Site recognition and database allow you to easily revisit past information by scanning a barcode
• Radiometric video / sequence imaging capture enable detailed image analysis at timed thermic events
• Solar mode for detecting invisible defects on solar panel arrays

TESTO 175T2 - TEMPERATURE DATA LOGGER

• Dual NTC thermistor (1 internal, 1 external) provides reliable ambient and product temperature monitoring
• Large easy to read backlit display
• Capable of storing up to 1,000,000 temperature readings
• Rugged and waterproof according to IP65

TESTO 926 - TEMPERATURE METER

• Connectivity for an attachable/wireless sensor
• Wide range of optional sensors to suit your individual needs
• User-defined thresholds / audible alarm alerts when threshold exceeded
• Certified according to HACCP and EN 13485 / ideal for use with food