Frequently asked questions
- How does WXT520 differ from WXT510?
- Which Vaisala product families have (W)LAN options?
- How does Vaisala HUMICAP® 180R relative humidity sensor cope with chemical interference?
- How do I connect a Vaisala transmitter into a LAN or WLAN network?
- Why do Vaisala RAINCAP® measurements differ from tipping bucket measurements?
- Can I calibrate my dewpoint instrument using certified bottled gas?
- What does the water activity (aw) output from the moisture in oil instruments indicate?
- What is the maximum flow rate the moisture in oil sensor can withstand?
- What is the response time of the moisture in oil sensor?
- Where is the best place to install a Vaisala moisture in oil probe?
- Can the Vaisala moisture in oil sensor measure % water by volume in oil (free or emulsified water)?
- Does the moisture in oil sensor need to be programmed or calibrated for each specific oil or fluid?
- In which fluids can the moisture in oil sensor be used?
- When is the sensor preheating option on the HM70 probes needed?
- Do Vaisala ultrasonic wind and weather transmitters offer 4 to 20 mA outputs?
- Can the GMP220 carbon dioxide probes be used in high humidity applications?
- Can I replace the GMP222 CO2 probe for ppm measurement with a GMP221 CO2 probe for percent measurement, or vice versa?
- What does the term "elevated dewpoint" mean?
- How are the individual parameters of the WXT510 calibrated?
- How can the WS425 be protected from lightning?
- What is the purpose of the chemical purge option on the HUMICAP® sensor?
- Can Vaisala barometric pressure products be used in applications other than meteorological observation?
- Why does Nafion® membrane tubing turn brown over time?
- How long can the GMP343 be powered by the MI70?
- How can temperature and pressure errors be corrected when using Vaisala CO2 products?
- What is the relationship between elevation and barometric pressure?
- Why is there an option for more than one pressure transducer in the PTB330 and PTU300?
- What are the differences between the WS425A/B and WS425F/G?
- How often do Vaisala humidity products need to be calibrated?
- Does heavy rainfall, snow or hail affect ultrasonic wind measurement?
- What are the MTBF (mean time between failure) and MTTR (mean time to repair) values for the WS425 ultrasonic wind sensor?
- How do I measure barometric pressure outdoors?
- Is special packaging required for transporting Vaisala Barometric Pressure Transmitters?
- What is the difference between water dewpoint and hydrocarbon dewpoint in natural gas?
- What is the difference between dewpoint and relative humidity?
- How often should Vaisala DRYCAP® dewpoint sensors be checked or calibrated?
- How does Lubricating Oil affect the Vaisala Drycap® dewpoint sensor?
- Can Vaisala humidity instruments output parameters other than relative humidity and temperature?
- Can the OMT355 oxygen transmitter withstand steam sterilization?
- Can the HMT360N for measuring moisture in natural gas be installed after a glycol dryer or is residual glycol a problem?
- Is the Vaisala DRYCAP® sensor flow sensitive?
- Does gas flow rate affect the measurement in carbon dioxide and oxygen products?
- Can the laser in the oxygen transmitter be tuned to measure gases other than oxygen?
- Can the laser in the OMT series of oxygen transmitters be replaced?
- What is a warmed probe?
- What is the lifetime of the laser used in the oxygen transmitter?
- Will other gases affect the measurement performance of the Vaisala SPECTRACAP® oxygen sensor?
- Is it possible to calibrate Vaisala humidity products myself?
- Why don’t Vaisala’s moisture-in-oil instruments offer a ppm output for measuring moisture in lubricating oil?
- What is intrinsic safety?
- What does “cleaned for use with 100% oxygen” mean?
- What is the effect of pressure on dewpoint?
- How is the SPECTRACAP sensor different from the Vaisala CARBOCAP NDIR sensor?
- How does pressure affect the measurement for the SPECTRACAP oxygen sensor?
- What are hysteresis and repeatability?
- Is TDL(Tunable Diode Laser) a completely new technology?
- How will dust and dirt affect the measurement for the SPECTRACAP oxygen sensor?
- How does the CARBOCAP, NDIR (non-dispersive infrared), single beam, dual wavelength sensor work?
- Can I calibrate and adjust Vaisala pressure measurement products myself?
- A dewpoint instrument or a relative humidity instrument?
- How do temperature and pressure effect CO2 measurement?
- How can condensation be avoided when sampling from incubators?
- Does it make a difference at which O2 peak the instrument is operating?
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