CO2 meter testo 535

For reliable control and evaluation of indoor air quality. Simultaneous measurement and display of temperature, CO2 concentration and humidity. The CO2 concentration in the air is additionally indicated by three LEDs as good, medium or bad.Alarming when limit is exceededLarge, illuminated displayFactory calibration certificateScope of supply: Room climate monitor RM 100, external AC/DC adapter

The climate measuring instruments testo 440 combine the benefits of a compact handheld device with intuitive measurement menus and a comprehensive selection of air velocity & IAQ probes. Both the digital Testo Smart Probes and numerous Testo temperature probes can be connected. Clearly structured menus for measuring volume flow in ducts/at outlets, degree of turbulence, cooling/heating load, mould indication and logging mode are stored on the instrument.The testo 440 dP also has an integrated differential pressure sensor. This makes measurements at filters as well as Pitot tube and K-factor measurements possible.USB interface for data export and optional printout of measuring valuesUp to 3 probes can be connectedParallel display of 3 measuring valuesBluetooth probes for measuring convenience and easy storage in the caseUniversal handle for all probesMeasurement of the following parameters are possible: °C, % r.h., CO, CO2, m/s, Lux, hPaPlease order probes separately.SpecificationsTemperature measuring range (NTC):-40 ... +150 °CAccuracy:±0.4 °C (-40 ... -25.1 °C) ±0.3 °C (-25 ... +74.9 °C) ±0.4 °C (+75 ... +99.9 °C) ±0.5 % of measured value (remaining range)Resolution:0.1 °CTemperature measuring range (TE Typ K):-200 ... +1370 °CAccuracy:±(0.3 °C + 0.3 % of measured value)Resolution:0.1 °CDifferential pressure measuring range testo 440 dP:-150 ... +1500 hPaAccuracy:±0.05 hPa (0 ... +1.00 hPa) ±0.2 hPa + 1.5 % of measured value (+1.01 ... +150 hPa)Resolution:0,01 hPaMemory:7500 measurement protocolsOperating / storage temperature:-20 ... +50 °CDimensions (W x D x H):65 x 32 x 154 mmWeight:250 gPower supply:3 x Mignon, Type AA

Sound level meter for noise measuring.Delivered in a hard carrying caseMulti measuring functions: Lp: Standard sound level measuring function, Leq: Energy equivalent sound level measuring mode (type A), Ln: Shows the deviation from a pre-defined limit in %Selectable methods of evaluation: A: As sensitive as the human ear, C: Sensitive for noisier environmental, conditions, where there are machines, plant, motors etc., F: For areas where sound intensity does not varyFunction to set limits: Programmable target value for go/no-go test valuesTrack function for continuous recording of variable environmental conditionsPeak Hold Mode to capture peaksInternal memory for measured values, for 30 measurements. Can be displayed on the PCData interface RS-232, included

Quick and easy-to-use instrument for measuring lighting conditions in the workplace. The sensor is adapted to spectral sensitivity of the eye.Display illuminationHold-functionMax./min. valuesScope of supply: Meter incl. protection cap, batteries, calibration protocolSpecificationsMeasuring range:0 to 99999 lxResolution:1 lx (0 to 19999 lx) 10 lx (remaining range)Accuracy:±3 lx or ±3 %Measuring frequency:0.5 sDimensions (W x D x H):133 x 46 x 25 mmWeight:95 gIP code:IP 40Power supply:2 Micro cells AAA

Ultrasonic flow meter for measuring flow velocity and volume flow.Maintenance-free, as there are no moving partsWith data logger function (32 GB memory capacity)2.8" LCD displayUSB interfaceEasy assemblyInstallation without process interruptionNo pressure lossThe ultrasonic flow meter UMI 880 Pro can additionally measure heat output and heat quantity.Scope of supply: Ultrasonic flow meter, 2 x flow sensor UMI 880 S1 (for pipes with Ø 20 to 108 mm), 2 x temperature contact sensor, 2 x connection cable 5 m, 2 x detachable cable tie, power supply unit, USB-C cable, ultrasonic coupling gel, measuring tape, plastic carrying case, operating manualSpecificationsMeasuring range:-32 ... 32 m/sResolution:0.001 m/sAccuracy:±1.5 % of measured value (for Ø 50 mm), ±3.5 % of measured value (for Ø 50 mm)

Measuring instrument for simple, fast, and precise differential pressure measurements for controlling the gas pressure on burners and checking filters. Measurement data can be transmitted to smartphones or tablets via Bluetooth®. The connection to the free testo Smart App enables configuration of the device as well as display, storage, and documentation of measurements.Reliable measurement results due to position-independent differential pressure sensor with high accuracyAcoustic alarm when limit values are exceededTime and point averagingQuick in-app configuration, graphic history, second screen, and measurement data memory in the testo Smart AppDisplay illuminationCompact design with sturdy housingHold functionDisplay of min./max. valueMeasurement of flow velocity and volume flow calculation by separately available pitot tubeScope of supply: Differential pressure measuring instrument, transport bag, silicone connection hose, calibration protocol, batteriesMeasuring range:0 ... 200 hPaAccuracy:±0.3 Pa + 1 % of measured value ±1 Digit (0 ... 25 hPa) / ±0.1 hPa + 1.5 % of measured value ±1 Digit (25.001 ... 200 hPa)Resolution:0.001 hPa (0 ... 2 hPa) / 0.01 hPa (2.01 ... 20 hPa) / 0.1 hPa (20.1 ... 200 hPa)Compatibility mobile device:Requires iOS 12.0 or newer, Android 6.0 or newer, Bluetooth® 4.2.Power supply:3 x AA

Measuring instrument for simple, fast, and precise differential pressure measurements for controlling the gas pressure on burners and checking filters. Measurement data can be transmitted to smartphones or tablets via Bluetooth®. The connection to the free testo Smart App enables configuration of the device as well as display, storage, and documentation of measurements.Reliable measurement results due to position-independent differential pressure sensor with high accuracyAcoustic alarm when limit values are exceededTime and point averagingQuick in-app configuration, graphic history, second screen, and measurement data memory in the testo Smart AppDisplay illuminationCompact design with sturdy housingHold functionDisplay of min./max. valueScope of supply: Differential pressure measuring instrument, transport bag, silicone connection hose, calibration protocol, batteriesMeasuring range:0 ... 2000 hPaAccuracy:0.5 % of measuring rangeResolution:1 hPaCompatibility mobile device:Requires iOS 12.0 or newer, Android 6.0 or newer, Bluetooth® 4.2.Power supply:3 x AA

For storing and transporting the climatic measuring device testo 440 and additional probes.

Digital probes with intelligent calibration concept. All probe heads can be easily attached to the universal handle.

For measurements for workplaces which are outdoors, e.g. at airports, on building sites, in road construction etc. with broad access to spectrum thanks to the highly-accurate 24-Bit A/D converter.Different sound pressure levels can be selected, such as, for example, Laeq, LcPeak, LaF, LaFMax, LaFMin, SD, SEL, EThe optimised analogue frontend switch reduces the ambient noise and increases the linear measuring rangeThree profiles and 14 user-defined measurements can be calculated in parallel with different frequency and time weightingLN statistics and display of the graph showing the progression of timeUser-defined integral interval measurement up to a maximum of 24 hours is possibleFrequency weighting (filter) A, B, C, ZTime interval during measurement: F (fast), S (slow), I (pulse)Freely-definable limits for the output of an optical alarm signalPeak Hold Mode to capture peaksOctavo function for targeted sound analysisTrack function with graphic display of a measurementCalibration mode (with optional calibrator)Trigger mode: Analogue signal to switch the device on or off with 3.5 mm plugAutomatic measurement for timer function is possibleMeasured value recording frequency selectable: 10, 5, 2 HzData transfer using MicroSD (4 GB), RS-232 or USBOption of fitting a column on the rear of the housing, ¼ threadScope of supply: Sound level meter, memory card, hard carrying case