News

  • We calibrate wind-speed and wind-direction!

    By on June 26, 2020

    Added to our calibration capabilities: calibration certificate on wind-direction. As we receive more and more request for not only wind-speed calibration but also for a calibration certificate on wind-direction, we have invested in this possibility. We can generate several calibration reports as a standard: starting from a 4 point calibration (per 90°), up to a 24 points calibration (per...

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  • We take calibration to the next level

    By on May 14, 2020

    We as Delta OHM are so used to having extensive in-house ISO17025 calibration possibilities, that we sometimes forget how different this makes us from other suppliers. We do not just operate ‘a’ ISO17025 calibration facility. Our in-house ISO 17025 accredited Calibration Centre in fact consists of 6 independent laboratories; accredited for Air Speed, Temperature, Acoustic, Light, Pressure and Humidity....

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  • UVC Check Kit: measure UV-C

    By on April 28, 2020

    UVC irradiance measurement is important to check equipment that emits UV-C. Disinfection when using UVC can be very efficient. The Ultra Violet C light is being used to disinfect water, air and surfaces. Important is that the correct dose of UV-C is used; only when having the correct dosing of UV-C makes the disinfection effective. All equipment as used...

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  • LED LUX measuring KIT

    By on April 20, 2020

    Advanced KIT and Basic KIT: measuring LUX for LED and conventional light. Simple, accurate, no adjustments necessary to measure LED light. Ever been using a LUX meter to measure LED light? Maybe you recognize a very common effect that many already have discovered: the LED light seems to be a higher intensity than the conventional light, but still the...

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  • How to measure Sunshine Duration with a Pyranometer (WMO-NO.8)

    By on April 8, 2020

    In the Guide to Meteorological Instruments and Methods of Observation, the WMO has approved the possibility to use the so called ‘pyranometric method’ to calculate Sunshine Duration. This means that, next to the already frequently used method where a specific Sunshine Duration sensor is being used, in some cases it may be more efficient to use the measurement data...

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  • Measuring Building Vibration – using HD2070.BV

    By on April 2, 2020

    An application that is getting more and more interesting all around the world, is the measurement of Building Vibration. Specifically: measuring the effect of vibration annoyance on the human body. Vibration in buildings can be an effect of machines that are installed in the building but it can also be vibration that is being generated by something from outside:...

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  • LR35 series – LoRaWAN capability

    By on April 1, 2020

    LoRaWAN is an IoT solution that is getting highly standard around the globe. LoRa stands for Long Range communication and indeed it allows to cover and monitor wide areas with battery powered sensors having low power consumption.   Our datalogger series LR35 is designed for environmental monitoring in indoor and outdoor applications using LoRaWAN: a multipoint to point networking protocol....

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  • PM measurement: HD50PM

    By on March 23, 2020

    Delta OHM introduced a logger with PM measurement. But why would you want to measure PM? What is PM10 or P2,5 or PM1,0; why should it be measured. In this article we try to answer some questions. Particulate Matter (PM) also called Particle Pollution. An explanation of the term PM, as found on the site of the EPA (United States...

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  • HVAC40 – designed for HVAC!

    By on December 23, 2019

    Years of experience in worldwide applications have now been converted into ‘the new standard in measuring’. We have focused the new design on accuracy, stability, simplicity and connectivity. To this we have added our knowledge of best production practices: meet the HVAC40 series. Best for the job: in quality and in price. HVAC transmitters need to be stable, need to...

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  • All-in-One Meteo Compact Stations: quick, easy and complete!

    By on August 23, 2019

    A complete self-supporting, easy and quick to install and already configured Compact Meteo Station to always have all important Meteo data at your fingertips.

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