Online Dew Point Meter

The VDOM Series Online Dew Point Meter Is a microcontroller-based- based precision instrument to help ensure the optimum operation of drying equipment.

An Online Dew Point Meter by vasthi instrument is ideal for precise monitoring of dew point temperatures (ºc Td) in air \ gas output from dryer Systems and processes. embedded with micro-controller- based -circuits to give a direct read-out in dew point ( ºc Td) or other units corresponding to sensor output based on psychometric equations. To achieve high accuracy, it uses temperature compensation over the complete operational range

FEATURES :

Microprocessor-based instrument
Digital Graphical Display Measuring range 80º to + 30º c dew
point & other ranges also available on client requirement.
simples compressed air up to 12 kg/cm
pressure and up to 95ºc temperature can be measured directly.
Quick disconnect fitting desiccant test
.Handy and lightweight.
inbuilt thin film water vapor sensor.
optional RS-485 Computer interface & data logger

Sensor Principle	Capacitive Thin Film Polymer
Dew Point Range	-80º TO +30º c
Relative Humidity	0.01 to 99.99 ZRH
Temp.	0.01 to 99.99º C
Moisture	0 to 23000 PPM
Accuracy	±1% for measured value
Linearity	±1%
Display	128 X 64 Pixels Graphical LCD
Resolution	1ppm for ranges -100, 10ppm for ranges >1 a
Operating Temperature	0 to 90º C
Digital Output	RS 232
Analog Output	4-20 mA
Relay Output	Two level Alarms with output
Response Time	10 Seconds for 63% step change
Maximum Sample Temp	90°C (For higher Temperature use, Optional cooling coil is available
Maximum Pressure	12 kg/cm2
Power	110 V or 220 V Ac, 50/60 Hz
Inlet Sample Port	1/4
Sensor Life	More than 5 year
Alarms	User Adjustable or Selectable
Auto Calibration Facility	Software based Auto Span or Auto Zero

1. What is the Vasthi Online Dew Point Meter?

It is an industrial online dew point meter for continuous dew point and moisture monitoring in air and gases from dryers and processes.

2. What does the Online Dew Point Meter measure?

It measures the dew point temperature (°C Td) and moisture content of compressed air or gas to ensure optimum drying performance.

3. What are the key features of the Online Dew Point Meter?

Features include microprocessor-based precision, graphical digital display, wide dew point range, and optional RS-485/USB data interface.

4. Where is this dew point meter used?

It is ideal for industrial compressed air dryers, gas drying systems, process control, and humidity management.

5. Does the Online Dew Point Meter support alarm and outputs?

Yes — it provides analog 4-20 mA, digital communication, and user-adjustable alarm outputs for real-time dew point monitoring and control. Vasthi Instruments

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