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Gauges made to handle the harshest conditions.
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arrowSee our full line of SPAN Industrial Pressure Gauges.
Span™ liquid filled and dry gauges are manufactured by Thuemling. SPAN gauges include Xytel nylon or stainless steel casings, “no bubble” diaphram and custom options.
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arrowOrder our Fire Apparatus Pressure Gauges online or by phone.

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Thuemling means quality.

For over 40 years, Thuemling has provided liquid filled and dry gauges to the industrial, fire, irrigation, mobile hydraulics, sub-sea, and sanitary industries. Find out more.

Who We Are

What We Do

Where We Are


Thuemling Instrument Group

P.O. Box 1625

Waukesha, WI 53187-1625, USA

Toll Free: 1-800-686-1789

Fax: 262-547-6493

© 2011 Thuemling Instrument Group