Lyon Petroleum Supply

formerly Marine Services 
Petroleum Measurement & Testing Equipment


Industrial, Adjustable Angle Thermometers

3", 4" & 5" Industrial, Adjustable Angle Thermometers

Heavy Duty design, with versatile case and stem that can be adjusted to almost any angle for easy viewing. Preferred by the process, offshore, power, pharmaceutical, and chemical industries.

Choose a model:

AA-375R     3" diameter head with calibration feature
AA-475R     4" diameter head with calibration feature
AA-575R     5" diameter head with calibration feature 

• Type 304 stainless steel.
• All welded construction.
• Easy to calibrate by inserting Allen wrench into reset opening.
• Anti-Parallax dial avoids reading errors.
• Dials printed with large black numbers and graduations on raised ring - easy to read from any angle.
• Dustproof and Leakproof. Hermetically sealed.
• Corrosion resistant to most chemicals.

Connection Nut:
1/2" NPT standard. Can be supplied with Union Connection or other NPT sizes at extra charge.

Stem Diameter:
1/4". Standard stem lengths: 2-1/2", 4", 6", 9", 12", 15", 18", 24", including threads. Available in stem lengths up to 120".
Longer and intermediate stems, and 6 mm, 8 mm, or 3/8" diameter stems available upon request.

Bimetal element dampened with silicone for minimum pointer vibration and maximum heat transfer.
Accuracy to within 1% full span range.

Over-range protection:
100% up to 250F
50% up to 500F
10% above 500F

Extra-heavy glass lens. Acrylic, polycarbonate, tempered or shatterproof glass lens can be supplied at extra charge.

Thermowells are recommended for pressure, corrosive fluid, or high velocity applications.


If you want the best certification of hydrometers, centrifuge tubes and thermometers for the best cost, you need to give us a call today!

We will match or beat any other qualified laboratory certification cost!

You'll be pleased with the considerable savings for you and your company.