Glass manufacturing quality through moisture control

Measure dew point in blanketing atmosphere with Vaisala DRYCAP® sensor technology

During the plate glass manufacturing process, molten glass is very sensitive to moisture and is typically run under blanketing atmospheres where moisture is carefully monitored. The higher the quality of the glass, the more essential accurate moisture control becomes.

Dew point measurements are often made in harsh conditions with high temperatures and volatile chemical vapors. Due to the unique design of Vaisala’s DRYCAP® sensor, it is immune to most chemical contaminants found to offgas from this process.

DRYCAP technology tackles contaminants

DRYCAP is based on two innovations: the proven capacitive thin-film polymer sensor and the auto-calibration function. The sensor is heated at regular intervals during the automated auto-calibration procedure. The humidity and temperature readings are monitored as the sensor cools to ambient temperature, with offset correction compensating for any potential drift. This enables the DRYCAP sensor to deliver accurate measurements in demanding processes such as glass manufacturing, dramatically reducing the need for sensor maintenance.

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Instruments for measuring dew point in glass manufacturing

Probe head and probe body of the DMP6 for very high temperatures

Dew Point Probe DMP6

Vaisala DRYCAP® Dew Point and Temperature Probe DMP6 is designed for in-line humidity measurement in industrial drying applications with very high temperatures and a wide dew point range.

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Dew Point and Temperature Probe DMP7

Vaisala DRYCAP® Dew Point and Temperature Probe DMP7 is made for tight spaces and low-humidity applications.

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Dew Point and Temperature Probe DMP8

Vaisala DRYCAP® Dew Point and Temperature Probe DMP8 is designed for industrial low-humidity applications with pressure up to 40 bars.

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Vaisala Insight Software gives quick access to the configurations and data of the Indigo family measurement probes and other supported devices.

Insight PC Software

Vaisala Insight PC Software gives quick access to the configurations and data of the Indigo family measurement probes and other supported Vaisala devices.

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Indigo80 Handheld Indicator for portable measurements with Indigo-compatible probes

Indigo80 handheld measurement device

The latest addition to the Indigo family of transmitters and probes, the Indigo80 is a compact, handheld indicator and data logger.

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DMP80 DRYCAP® handheld probe for dew point and temperature

DMP80 DRYCAP® Handheld Dew Point and Temperature Probes

Ideal for spot-checking applications and field calibration with accurate measurements for industrial dew point applications

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Indigo500 Series Transmitters

The Vaisala Indigo500 series transmitters are host devices for Vaisala Indigo-compatible, stand-alone smart probes. The Indigo500 series include multi-functional Indigo520 transmitter and Indigo510 transmitter with basic features.

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Indigo300 transmitter

Vaisala Indigo300 transmitters are host devices for Vaisala Indigo-compatible, stand-alone smart probes.

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Glass manufacturing measurement resources

Dew point temperature – What does it mean and how can it be calculated?

Following on from our previous post on relative humidity (RH), let’s look at the second most commonly used humidity parameter – dew point temperature.

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How to choose the right instrument for measuring humidity and dew point

Humidity measurement and control is called for in a wide variety of industrial applications. Each application has a different set of requirements for humidity instruments, such as required measurement range.

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Eu preciso de um transmissor Indigo ou apenas de uma sonda de medição Indigo?

Há muitas opções de sondas à disposição e para vários parâmetros de medições: umidade, temperatura, ponto de orvalho, CO2, umidade em óleo e peróxido de hidrogênio vaporizado. As sondas podem ser conectadas ao transmissor da série Indigo500 ou Indigo200. Quando uma sonda é suficiente por si só – e quando você precisa tanto de uma sonda quanto de um transmissor?

Feita para durar, mesmo em ambientes externos: série Vaisala Indigo500

Pensando nos clientes com aplicações que exigem a instalação externa de transmissores de medição, a Vaisala Indigo500 e sua linha de sondas inteligentes foram desenvolvidas para serem suficientemente duráveis em condições severas e complexas.