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Environmental Measurements Limited |




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SKU/Item Number: WXT520 |
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Environmental Measurement Limited supply, configure and incorporate in their systems the complete Vaisala surface weather range for distribution in the United Kingdom only. Please contact our sales department for more information. The full range can be found at www.vaisala.com |
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The WXT520 weather transmitter Measures wind speed and direction, precipitation, temperature, humidity and pressure. |
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WXT520 - Weather transmitter |
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Vaisala Product List |
To contact us call:+44-191-5010064 |
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We supply the full range of MAWS weather stations from MAWS100 up to the MAWS301. Click Here for more details and for datasheets. |
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MAWS - Weather stations |

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SKU/Item Number: WS425 |
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Solid state wind speed and direction. Patented technology. MTBF of 26 years. No regular maintenance. 3 models - standard, heated and heated with diagnostics. |
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WS425 - Ultrasonic wind sensor |

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SKU/Item Number: WD30 |
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Instant wind speed and direction values. multi-channel. Desktop, panel or wall mounted. Automatic brightness control. On-line configurable. |
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WD30 - Wind display |

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SKU/Item Number: DD50 |
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Universal digital display. Directly connectable to Vaisala intelligent sensors. On-line and control button configurable. High contrast and automatic brightness control. |
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DD50 - Digital display |
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SKU/Item Number: DRD11A |
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Fast and accurate precipitation detection. Rain intensity measurement with processing unit. Maintenance free. Heating element for snow and condensation-free operation. |
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DRD11A - Rain detector |
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SKU/Item Number: HMP45A or HMP45D |
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For use with wide range of recording and data logging equipment. Simple instrumentation interface. Fitted with new HUMICAP® 180 sensor. Easy field calibration. |
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HMP45A & HMP45D - humidity temperature probes |
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SKU/Item Number: DTS |
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DTS12A for air temperature |
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DTS - Temperature probe |
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SKU/Item Number: n/a |
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Optoelectronic sensors. Low inertia and starting thresholds. Heated versions for cold climate installations. Suitable for use with WAT12 transmitter and WAC151 arm (illustrated). |
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Wind sensors |
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SKU/Item Number: PTB Range |
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Accurate and stable measurement. Uses BAROCAP® silicon captive absolute pressure sensor. Excellent hysteresis and repeatability characteristics. PTB210 PC plastic housing. PTB220 aluminium (illustrated). |
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PTB210 & PTB220 - Series digital barometer |
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SKU/Item Number: PTU200 |
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For pressure, relative humidity and temperature measurement. Two accuracy classes for pressure. One or two barometric pressure sensors. Two humidity probes and one temperature probe available. Optional local display and RS485 serial interface. |
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PTU200 - PTU transmitter |
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SKU/Item Number: QLI50 |
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For use in extreme conditions (-50°C to +100°C). Designed for continuous operation. Powers & measures both analogue and digital sensors. Automatic data transmission event or interval based. Data acquisition rates up to 20 channels per second. |
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QLI50 - Sensor collector |

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SKU/Item Number: CL31 |
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Second generation of advanced single lens optics provides excellent performance also at low altitudes. Reliable operation in all weather: unsurpassed performance in vertical visibility and cloud detection during precipitation. |
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CL31 - Laser Ceilometer |

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SKU/Item Number: PWD11 and PWD21 |
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The PWD11 is designed primarily for road weather observations by accurately measuring visibility as well as detecting and measuring precipitation. It can also automatically control variable message and traffic signs. The PWD21 has been developed for automatic weather stations requiring accurate visibility measurement and present weather detection and is the ideal system for remote locations such as harbours and coastal areas. |
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PWD11 and PWD21 - Present Weather Detectors |

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SKU/Item Number: FD12 and FD12P |
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The FD12 and FD12P sensors offer visibility and precipitation measurement and are more particularly suited to airport and marine applications. |
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the FD12 Visibility Meter and the FD12P Weather Sensor |