Hot-wire anemometer testo 425

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

For temperature, moisture and airflow.For highly accurate temperature measurements with USB PC online interface. (Optional: Windows SmartGraph software for graphical and tabular documentation, etc). Integral probe calibration for sensor tolerance compensation. Min.- Max.- Hold- and AVG- functions. The large LCD shows two measurements synchronously, even temperature differences can be displayed (P705, P755, P755-Log, P770).SpecificationsGeneral (all models):USB interface, Max-Min memory, Hold function, true average calculation over a freely selectable period, Auto-off function, measured quantities can be freely assigned to instrument channels, comprehensive calibration options (selectable 1-point, 2-point or 3-point calibration), large display with bar graph for simultaneous display of 2 measured valuesP700/P705:1/2 measurement channels (Pt100 4-wire probe, thermocouples type J, K, L, N, T, R, S), measurement ranges and accuracies: Pt100:-200 to +850°C ( ±0.1 °C -100 to +200°C, otherwise ±0.1% of measurement value)thermocouples, DIN types (-200 to +1760°C)P710/P715:1/2 measurement channels (Thermocouples type K, J, L, N, T), measurement ranges and accuracies: -200 to +1370°C (±0.2 °C from 0 to +200 °C, ±0.5 °C to 1000 °C, otherwise ± 1.0 °C of measurement value)Thermocouples acc. to EN 60584P750/P755/P755-Log:1/2 measurement channels (Pt100 4-wire probe, thermocouples type J, K, L, N, T, R, S, moisture, flow), measurement ranges and accuracies: Pt100: -200 to +850°C (±0.03°C -50 to +200°C, ±0.05°C -200 to +200°C, otherwise ±0.05% of measurement value), thermocouples, DIN type (types J, K, L, N, T 0 to 200 °C, ±0.3°C, +200 to +1000°C ±1.0 °C, otherwise ±1.5°C;type R, S ±1.0 °C +0.1% of measurement value) humidity 0 to 100% R.H. ( ±1.5%R.H.), flow 0 to 40 m/s (±0.5% of measurement value +1.0% of final value)P770:2 measurement channels (Pt100, thermocouples type J, K, L, N, T, R, S, moisture, flow), measurement ranges and accuracies: Pt100: -200 to +850°C ( ±0.1 °C -100 to +200°C, otherwise ±0.1% of measurement value)thermocouples, DIN types, humidity 0 to 100%R.H. ( ±1.5%R.H.), flow 0 to 40 m/s (±0.5% of measurement value)Dimensions (L x W x D)/ weight: 200 x 85 x 40mm / 300gP700-P755 for Ex-use Zone 1 and Zone 2 according to ATEX approval II 2 G Ex ib IIB T4 Gb available on request.

Ideal for monitoring air quality in rooms. LED lights in traffic light colours below the display provide information about the current CO2 content in the air (green: <800 ppm, yellow: 800 to 1200 ppm, red: >1200 ppm).Display of temperature and humidityAdjustable alarmScope of supply: CO2 meter, power adapter, operating instructionsSpecificationsCo2 range:0 ... 3000 ppmResolution:1 ppm (0 ... 1000 ppm); 5 ppm (1001 ... 2000 ppm); 10 ppm (2001 ... 3000 ppm)Temperature range:0 ... 50 °CResolution:0,1 °CRelative humidity:20 ... 90 % R.H.Resolution:1 % R.H.Dimensions (W x D x H):138 x 51 x 100 mmWeight:188 gPower supply:USB or 5 VDC adapter

Light measuring instrument for precise light measurement up to 200,000 LuxMeasures illumination in the workplaceHelps to determine whether a workstation has insufficient light or whether there is too much lightPhoto sensor: silicon diodeCosine correction for angular incident lightSturdy protective cover for the photo sensorIncreased service life: Impact protection through a protective casingTrack function for continuous recording of variable environmental conditionsPeak Hold Mode to capture peaksSelectable measuring units: fc (foot-candle), lxAUTO-OFF functionDelivery in a robust box

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

Laboratory kit with Pt100 probe for reliable and precise temperature measurement and documentation. Particularly suitable for use in corrosive media due to the laboratory probe, whose coating is made of the tried-and-tested DURAN®laboratory glass. The testo 440 air velocity & IAQ measuring instrument automatically detects the connected probes, and the stored, structured measurement menus makes work considerably easier in a wide variety of applications. For example it can be used to optimally adjust air conditioning and ventilation systems.Structured measurement menu for long-term measurementsInternal data storage and USB port for flexible data exportParallel connection of up to three probes possible: one Bluetooth® probe, one wired probe and one temperature probe with thermocouple type K connectionVersatile, expandable with an extensive selection of digital probesScope of supply: Climate measuring instruments, 3x AA batteries, USB cable and calibration protocol, glass-coated digital Pt100 laboratory probe, basic case for testo 440 and 1 probeSpecificationsTemperature measuring range (NTC):-50 ... +400 °CAccuracy:±0.3 °C (-50 ... 300 °C) ±0.4 °C (300.01 ... 400 °C)Resolution:0.01 °CMemory:7500 measurement protocolstesto 440Operating / storage temperature:-20 ... +50 °CDimensions (W x D x H):65 x 32 x 154 mmWeight:250 gPower supply:3 x Mignon, Type AAPt100 probeOperating / storage temperature:-5 ... 45 °C / -20 ... 60 °CCable length:1.6 mDimensions (L x Ø):200 x 6 mmWeight:160 g

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