CYY-W330 Portable Molten Metal Temperature Meter for Iron and Steel Foundries

The CYY-W330 Portable Molten Metal Temperature Meter is a handheld temperature measurement instrument developed for the melting and casting industry.

It is designed to measure the temperature of molten iron, molten steel, copper, aluminum, zinc and other compatible molten metals using a suitable thermocouple and immersion measuring lance.

For foundries and metal melting plants, knowing the actual molten metal temperature is essential for controlling melting, tapping and pouring operations. The CYY-W330 provides a simple way for operators to check molten metal temperature directly at the furnace or ladle.

It can be used as a molten iron temperature meter, molten steel temperature meter, molten metal thermometer, furnace temperature meter or foundry temperature measurement instrument.

Portable Temperature Measurement for Foundry Production

The CYY-W330 is designed for environments where temperature measurements may be required at different locations around a foundry or melting shop.

Instead of installing a fixed temperature measurement system, the operator can carry the CYY-W330 to the required measuring position and connect the appropriate thermocouple.

The handheld design is especially useful for:

• Iron foundries

• Steel foundries

• Small and medium-sized melting plants

• Metal casting workshops

• Copper melting plants

• Aluminum foundries

• Zinc melting applications

• Furnace and ladle temperature checking

The instrument uses a high-brightness LED digital display and a metal housing designed for demanding industrial working environments.

Molten Iron Temperature Measurement

Temperature measurement is an important part of iron foundry production.

The CYY-W330 can be configured for molten iron temperature measurement using suitable thermocouples. Operators can take measurements during the melting process or before pouring to determine whether the molten metal has reached the required process temperature.

For iron foundries, the instrument can be used for:

• Furnace temperature checking

• Molten iron temperature measurement

• Ladle temperature checking

• Pre-pouring temperature measurement

• Routine melting process inspection

The actual thermocouple type should be selected according to the metal and required measurement range.

Molten Steel Temperature Measurement

For steel melting and casting applications, temperature measurement normally requires a thermocouple suitable for higher temperatures.

The CYY-W330 supports S, R and B thermocouple configurations as well as WRe thermocouples, depending on the instrument configuration.

The manual specifies:

• S type: 0–1750°C

• R type: 0–1750°C

• B type: 500–1800°C

• WRe type: 0–2000°C

• CYY  type: 0–2007°C
  

These ranges are based on the corresponding thermocouple configuration rather than one universal measuring range for the instrument.

This makes the CYY-W330 suitable for different temperature requirements in steel and iron melting operations.

Molten Metal Thermometer with Rapid Thermocouple

The CYY-W330 is a thermocouple-based molten metal thermometer.

The measuring gun is connected to a compatible thermocouple. During measurement, the thermocouple is immersed into the molten metal, normally at a depth of approximately 50–100 mm according to the operating instructions.

When the measurement is completed, the indicator light and buzzer notify the operator. The instrument then automatically displays and holds the highest measured temperature.

This operating method allows the operator to obtain a temperature reading without having to continuously watch the display while the probe is inside the molten metal.

Furnace Front Temperature Measurement

The CYY-W330 can be used directly at the furnace as a furnace-front temperature measurement instrument.

This is particularly useful in foundries using induction furnaces or other melting furnaces where operators need to check molten metal temperature during production.

One of the advantages described in the operating instructions is its resistance to electrical interference. The instrument can perform temperature measurement while an intermediate-frequency furnace is energized, without requiring the furnace power to be switched off.

For production environments where furnace equipment creates electrical interference, this feature can be important for practical temperature measurement.

Simple Operation for Foundry Workers

The CYY-W330 is designed around a straightforward measurement process.

Step 1 — Install the Measuring Lance

Connect the measuring gun and make sure the thermocouple connection is correct.

Step 2 — Switch On the Instrument

Press the ON/OFF button. The instrument identifies the configured thermocouple type.

Step 3 — Insert the Thermocouple

Insert the thermocouple into the molten metal to the recommended depth.

Step 4 — Wait for Measurement Completion

The instrument provides visual and audible indication when the temperature measurement is completed.

Step 5 — Remove the Measuring Gun

Remove the thermocouple from the molten metal promptly after the measurement is completed.

Step 6 — Read the Held Temperature

The instrument automatically displays and holds the measured maximum temperature.

This operating procedure makes the CYY-W330 suitable for routine temperature checks by furnace and foundry operators.

Industrial Features

The CYY-W330 includes several features intended for practical foundry operation.

Automatic Temperature Hold

The measured temperature is automatically retained on the display after measurement.

Audible and Visual Completion Signal

A light and buzzer indicate that the temperature measurement has been completed.

Thermocouple Fault Alarm

The instrument can indicate an open thermocouple or signal connection problem.

Over-Range Alarm

The instrument provides an alarm when the input signal exceeds the selected measuring range.

Low-Battery Warning

The instrument indicates when the rechargeable battery requires charging.

Automatic Power-Off

When there is no input signal for approximately two minutes after the instrument is switched on, the power is automatically disconnected.

Rechargeable Battery

The instrument uses a rechargeable battery. The manual states that one full charge can generally support more than one thousand temperature measurements under normal conditions.

CYY-W330 Technical Data

The manual specifies the CYY-W330's resolution as 1°C and response time as 1 second.

Applications in Developing Foundry Markets

The CYY-W330 is particularly suitable for customers who need reliable molten metal temperature measurement without investing in a large automated temperature control system.

For example, it can be used by:

• Small and medium-sized iron foundries

• Ductile iron foundries

• Gray iron foundries

• Steel casting plants

• Induction melting shops

• Metal recycling and remelting plants

• Copper melting workshops

• Aluminum foundries

• General casting workshops

For customers in Pakistan, South America, Africa, Southeast Asia and other developing industrial markets, a portable furnace temperature meter can provide a practical balance between measurement capability, ease of operation and equipment cost.

Portable Alternative to Fixed Temperature Measurement Systems

A fixed temperature monitoring system may be appropriate for automated production lines, but many foundries still require operators to perform manual temperature checks at the furnace or ladle.

The CYY-W330 is designed for this type of application.

It does not require a complicated installation. The operator carries the instrument to the measuring location, connects the appropriate thermocouple, takes the measurement and reads the result directly from the digital display.

This makes it suitable for plants where production equipment, furnace locations or measurement points change frequently.

Frequently Asked Questions

What is a molten metal temperature meter?

A molten metal temperature meter is an instrument used to measure the temperature of liquid metal during melting and casting. 

Can the CYY-W330 measure molten iron?

Yes. 

Can it measure molten steel?

Yes. 

What is the difference between a pyrometer and a molten metal temperature meter?

In overseas industrial terminology, “pyrometer” is often used broadly for high-temperature measurement instruments. The CYY-W330 is more specifically a contact-type molten metal temperature measurement instrument using an immersion thermocouple.

Is the CYY-W330 portable?

Yes. It is a handheld instrument designed for furnace-side and foundry temperature measurement.

How quickly can it measure temperature?

The manual specifies a response time of approximately 1 second, while the typical practical measurement operation is approximately 3–5 seconds depending on the measuring process.

CYY-W330 Portable Foundry Temperature Measurement Instrument

The CYY-W330 Portable Molten Metal Temperature Meter is designed for practical temperature measurement in melting and casting operations.

It provides a simple handheld solution for molten iron temperature measurement, molten steel temperature measurement, furnace temperature measurement and general foundry temperature control.

If you are looking for a portable molten metal thermometer, handheld furnace temperature meter or foundry temperature measurement instrument, contact CYY for the appropriate CYY-W330 configuration.