What are temperature gauges used for?

The temperature gauges are used to show the current temperature of a fluid or ambient air. GTS offers two types of temperature gauge; the Bimetal temperature gauges and the Capillary temperature gauge.

How do the temperature gauges work?

The bimetal thermometers have a metal coil that contracts or expands as the temperature changes. This causes a rotational movement that moves the temperature gauge dial.

How do capillary temperature gauges work?

Temperature gauges with a capillary tube attached work by the expansion of the gas inside the capillary. As the temperature in the bulb heats up, the gas expands, increasing pressure, which moves a bourdon tube, which moves the pointer. At no point should the capillary tube be cut or opened.

How do I choose a temperature gauge?

The temperature gauge that you choose will be dependent on a few factors: Desired temperature range Dial size Pressure of media being used Preferred thread type & size Whether the stem needs to be on the bottom or back of the dial The desired length of the stem Stainless steel or brass materials Capillary length

GTS412 Bi-Metal Temperature Gauge

Technical Datasheet

The GTS412 temperature gauges are suitable for use in numerous applications such such as HVAC, boilers and heating systems as well as machinery manufacturing. They are equipped with a thermowell with a dual function:

Protecting the stem
Ease of future replacements

The GTS412 is cost effective but it has enjoyed the same care in the production process as more expensive models.

Specifications

63mm or 100mm dial size
Option of 50 or 100mm stem length for 63mm gauges
Measurable temperature ranges from -30 to 200°C
Temperature element: Bi-metal sensor
Copper alloy stem
Galvanized steel casing
Thermowell material: Brass (412-63B), SS316 (412-100B)

GTS412 Bi-Metal Temperature Gauge

Specifications

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