SJ Gauge gas-actuated expansion thermometer with electrical alarm contact

SJ Gauge gas-actuated temperature gauge with alarm contact

Expansion Thermometer, Alarm Contact

Model: MTG-E

Thermometer with magnetic snap-action contact available for automated control
Used in machine building, factory, and vessel construction

Responsive after-sales service / Customizable
High quality / One-year warranty
Product images are for reference only. Final specifications are based on the confirmed order.

Description

The MTG-E is an expansion thermometer with built-in alarm contacts, featuring a magnetic snap-action switch that provides reliable signal output when the temperature reaches a preset value. Designed for fast response and high-temperature measurement up to 700 °C, it is ideal for process monitoring and automated control applications. With flexible mounting options including bottom mount, back mount, and adjustable angle, as well as selectable single or double contacts (N.O./N.C.), the MTG-E is widely used in machine building, industrial plants, and vessel systems where temperature monitoring and safety interlocking are required.

Specifications

Connection location	Bottom mount, back mount, adjustable angle
Nominal size	3", 4", 6"
Scale ranges	-50°C ... 700°C
Accuracy	CL 1.0
Process connection	304 SS, 316 SS 1/4, 3/8, 1/2, 3/4 PT, G, NPT, M
Connection designs	Union nut and loose threaded connection, male thread, plain stem, compression fitting (sliding on stem), male nut, union nut, sanitary end cap, flange on stem
Sanitary end cap	1", 1 1/2", 2", 2 1/2", 3", 4"
Stem	304 SS, 316 SS Length: Above 50 mm (without thread) can be customized Diameter: 6.35, 8, 9.5, 10, 12 mm
Case/Ring	304 SS
Window	Glass, acrylic
Dial	Aluminum alloy Black scale on white
Pointer	Black aluminum alloy
Switch contact	Type: Banana connector, rear cable outlet, cable socket Functions: Single contact N.O., single contact N.C., double contacts N.O. + N.C. Version: Reed contact Adjustment knob: None, plastic knob with acrylic window, metal knob with glass window
Electrical contact specifications	Rated operating voltage: 250 V (Max.) Switching power max.: 30 W ~ 50 VA (Max.) Switch-on current: 1.0 A (Max.) Switch-off current: 1.0 A (Max.) Continuous current: 0.6 A (Max.)
Accessories (option)	Thermowell, drag pointer, spacer, signal output PT100
IP rating	IP65