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Ashcroft 304 stainless steel bi-metallic dial thermometer with back connection and glass lens

Ashcroft

Ashcroft 30EI60R Dial Thermometer Bi-Metallic Back Connection

SKU CH-3QP5-1WM42

Bi-metallic dial thermometer measuring -20 to 120 °F with a 6-inch stem, 1/2 NPT back connection and 304 stainless housing

  • TypeEnvironmental & Mechanical
  • Measures -20 °F to 120 °F for wide range monitoring
  • Dual scale reads -30 °C to 50 °C for metric convenience
  • 304 stainless housing and stem resist corrosion in harsh environments
  • Six-inch stem with 1/2 in NPT back connection fits standard fittings
  • Bi-metallic dial gives direct temperature reading without external power

Purpose and User

The Ashcroft 30EI60R is a bi-metallic dial thermometer built for industrial temperature monitoring. It suits plant engineers, maintenance technicians and process operators who need a rugged, direct-reading instrument for fluid or gas lines.

Installation Notes

The 1/2 in NPT back connection threads into a standard fitting, and the 6 in stem positions the sensing element in the flow. A clean thread seal and correct immersion depth prevent leaks and reading lag; the 304 stainless housing resists corrosion but the glass lens can crack if struck during fitment.

Fit and Alternatives

This model covers -20 to 120 degrees F and -30 to 50 degrees C, so it fits HVAC, hydronic and general process streams within that span. Buyers who need a wider temperature span, a digital output or a front-flange mounting style should look at other instruments.

Highlights

  • Measures -20 °F to 120 °F for wide range monitoring
  • Dual scale reads -30 °C to 50 °C for metric convenience
  • 304 stainless housing and stem resist corrosion in harsh environments
  • Six-inch stem with 1/2 in NPT back connection fits standard fittings
  • Bi-metallic dial gives direct temperature reading without external power

Specifications

BrandASHCROFT
TypeEnvironmental & Mechanical

Questions about this item

How can I confirm the dial reads correctly once the thermometer is installed?

After installation, compare the pointer against a known reference temperature within the -20 to 120 °F range; the included NIST-traceable certificate documents the calibration standard.

What comes in the package and what must I supply myself?

The box contains the 304 stainless-steel thermometer with glass lens and 1/2 in NPT back connection; you will need compatible pipe fittings or a thermowell for mounting.

Which temperature scale should I select for my application?

The single model displays both scales simultaneously — Fahrenheit from -20 to 120 and Celsius from -30 to 50 — so no separate version choice is required.

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