Lyon Petroleum Supply

formerly Marine Services 
Petroleum Measurement & Testing Equipment


Industrial, Small, Back-Connected Thermometers

1-3/4", 2" Industrial, Small, Back Connected Thermometers

A smaller size, heavy duty, rear connected unit commonly used in OEM equipment and light industrial applications.

Choose a model:

GT-200       1-3/4" diameter head
GT-225       2" diameter head
LN-250       2" diameter head
LN-250R     2" diameter head with calibration feature

• Type 304 stainless steel
• All welded construction
• Model LN-250R easy to calibrate by loosening a socket head screw above hex connecting nut
• Dials printed with large black numbers and graduations - easy to read from any angle
• Glass lens standard. Acrylic, polycarbonate or tempered glass available
• Dustproof and Leakproof. Hermetically sealed
• Corrosion resistant to most chemicals

Model GT-200
Standard 1/8", 1/4" or 3/8" NPT
Stem diameter: .150"
Standard stem lengths: 2-1/2", 4", 6", 8", 12", 18", max., including threads

Models LN-250 and LN-250R
Standard 1/4" NPT
Stem diameter: 1/4".
Standard stem lengths: 2-1/2", 4", 6", 9", 12", 15", 18", 24"
Available in lengths up to 120" max., including threads

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


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.