The BCS #7401 Digital Pyrometer is designed to precisely measure the temperature of molten metal. The maximum temperature readable with this unit is 1999 F, so it is useful for alloys such as lead, zinc, zamack, and aluminum. This range isn't quite enough for brass & bronze, but is perfect for aluminum.
This pyrometer is just what you need for aluminum casting. Stop guessing at the temperature of the melt, and gain control over your pouring temperature! Looks can be deceiving for molten metal temperatures. Often the temperature is much lower or higher than optimum. Once you know what the temperature of your melt is, you will wonder how you ever managed to pour with out knowing! Professionals keep a log of every pour, including the temperature, the alloy, the details of the part, and the results obtained. With this information you will be able to confidently pour parts with better results.
The #7401 meter reads in °F or °C. The display can be configured to show readings to 0.1° or 1.0° resolution. This makes the meter very accurate for low temperatures as well. There is a "HOLD" button that enables the reading to be held after removing the probe from the source of the heat. The unit also comes with a small 6" general purpose hand held probe (not shown). This probe is for low temperature use only, and not suitable for molten metal measurements. The meter uses a SMP style connector. Powered by a 9V battery, included.
The #7402 probe is a type K themocouple, 24" long overall. It has a molded handle and coiled extension cable. It is bent at about a 120 degree angle, with the handle end length being about 20" long, and the measuring tip end being about 13" long. The coiled cord comfortably extends to about 32". The thermocouple tip is ungrounded. The maximum temperature for the probe is 2440°F, or 1335°C.
The #7404 probe is the same as the #7402, but is 42" long overall. It's bent at a 90° angle, with the handle end length being about 29" long, and the measuring tip end being about 13" long.
The probe will settle to the melt temperature in about 10 seconds. After taking the reading I use a LARGE bundle of very wet newspaper to wipe the tip clean of molten metal. This prevents blobs from building up on the tip. Be sure to use gloves and protective apparel whenever you use this device. A coating of ITC-213 will also help protect the probe from metal accumulation.
WARNING: Always be careful not to contact electric heating elements with the probe as an electric shock can occur. Be careful of the exhaust heat from your furnace when measuring with the probe. Use heavy gloves to prevent burns or electrical shock. The probe tip can stay very hot for many minutes after use. Be sure to avoid contact with the probe, and place it on a temperature safe surface.
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#7401 Digital Pyrometer & #7402 18" Type K Bent Probe | |
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#7401 Digital Pyrometer & #7405 36" Type K Bent Probe | |
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Digital Pyrometer & small utility probe only. | |
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#7402 Thermocouple Probe, 2440°F Max Temperature, Type K, 18" long. | |
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#7404 Thermocouple Probe, 2440°F Max Temperature, Type K, 36" long. | |
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Revised: 1-27-10
