Find comprehensive details of our instruments, software or systems
Use the testo 420 differential pressure measuring instrument to carry out simple, efficient tests on filters. You can also use the measuring instrument in conjunction with a Pitot tube to measure flow velocity and volume flow really easily in ventilation ducts.
Differential Pressure - Piezoresistive
Measuring range: -120 to +120 Pa +0.1 to +14 m/s
Accuracy: ±2 % of mv + 0.5 Pa at +22 °C, 1013 hPa
Resolution: 0.001 Pa 0.01 m/s
Reaction time: 1 s (t₉₀)
Absolute Pressure
Measuring range: 700 to 1100 hPa
Accuracy: ±3 hPa
Resolution: 0.1 hPa
Reaction time: 1 s
General technical data
Dimensions: 150 x 85 x 35 mm
Operating temperature: -5 to +50 °C
EU-/EG-guidelines: EU-guideline 2014/30/EU
Battery type: Alkali manganese, mignon, type AA
Battery life: 40 h
Display size: 3.5"
Display function: Dot matrix
Display lighting: with illumination
Interface: Micro-USB
Memory: 2 GB (internal)
Storage temperature: -20 to +60 °C
With the compact Lux meter testo 545, you can measure the illuminance of all common light sources easily, quickly and precisely to ensure productivity, performance and health in workplaces.
Light
Measuring range: 0 to 100000 Lux
Accuracy: Class C
F1 = 6% = V(Lambda) adjustment
F2 = 5% = cos-true evaluation
Total ≤ 15%
±3% of mv±1Digit
Resolution:
0.1 Lux (< 10000 Lux)
1 Lux (≥ 10000 Lux)
1) corresponding to DIN 5032-7 / EN 13032-1, Appendix B
General technical data
Weight: 288 g
Dimensions: 149 x 60 x 28 mm
Probe: 134 x 54 x 23 mm
Operating temperature: -10 to +50 °C
Probe: 0 to +50 °C
Product-/housing
material: ABS + PC / TPE
Cable length: 1.4 m
Protection class: IP40 IP20
Battery life: 70 h
Battery type: 3x AA
Storage temperature: -20 to +50 °C
Determine the noise level quickly, easily and reliably in your day-to-day work: with the testo 815 sound level meter.
General technical data
Weight: 195 g
Dimensions: 255 x 55 x 43 mm
Operating temperature: 0 to +40 °C
Product-/housing material: ABS
Frequency weighting: A/C
Section measuring range: 30 - 80 dB; 50 - 100 dB; 80 - 130 dB
Time weighting: FAST 125 ms setting / SLOW 1 s setting
Pressure dependency: -0.002 dB/hPa
Battery type: 9V block battery, 6F22
Battery life: 70 h
Storage temperature: -10 to +60 °C
Sound Pressure
Measuring range: +32 to +130 dB
Frequency range: 31.5 Hz to 8 kHz
Accuracy: ±1.0 dB
Resolution: 0.1 dB
Measuring rate: 5 s
One tachometer, multiple measurements: The testo 470 tachometer carries out rpm measurements on motors, shafts, fans, etc., but that’s not all.
rpm - Optical
Measuring range: 1 to 99999 rpm
Accuracy: ±0.02 % of mv
Resolution: 0.01 rpm (1 to 99.99 rpm)
: 0.1 rpm (100 to 999.9 rpm)
: 1 rpm (1000 to 99999 rpm)
rpm - Mechanical
Measuring range: 0.1 to 19999
rpm Accuracy: ±0.2 % of mv
General technical data
Display type: LCD (Liquid Crystal Display)
Display size: one-line
Display function: 5-digit LCD display
Endress + Hauser
Precia Molen
KAYE
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