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Compact industrial thermometer with gray Valox case, back connection, white aluminum scale with black markings, glass window

Value Brand

Value Brand Compact Thermometer 20 to 180 F Back Connection

SKU CH-D51J-VR98A

Compact industrial thermometer measures 20 to 180 F with a back connection, non-toxic blue liquid fill and +/-1 percent accuracy

  • Product typeEnvironmental & Mechanical
  • Measures 20 to 180 °F for broad temperature monitoring
  • Back connection simplifies panel or pipe mounting
  • Non-toxic blue liquid fill ensures safe operation
  • ±1 % accuracy delivers reliable readings
  • Valox case with glass window resists harsh environments

Compact Industrial Thermometer

The Value Brand Compact Thermometer measures temperature from 20 to 180 degrees Fahrenheit with a back connection for panel mounting. It uses a non-toxic blue liquid fill and provides an accuracy of plus or minus one percent across the scale. The two-inch stem has a 0.5 inch diameter and a 1 3/8 inch insertion length. A thermowell and instructions are included with the unit.

Temperature Scale and Connection Limits

The aluminum scale features white markings on a black background with two-degree divisions for reading temperatures between 20 and 180 degrees Fahrenheit. The fixed range cannot be adjusted or calibrated beyond the stated accuracy tolerance. The half-inch NPT back connection requires a matching female thread on the mounting surface. The glass window and Valox case are designed for the specified operating range only.

Installation Compatibility Checks

Verify that the process temperature stays within the 20 to 180 degree Fahrenheit range before ordering. Confirm the mounting location has a half-inch NPT female thread for the back connection. Ensure the 1 3/8 inch insertion depth and 0.5 inch stem diameter suit the thermowell or pipe fitting. Check that the ambient environment is compatible with the Valox case material and non-toxic blue liquid fill.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 89% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameZORO SELECT
Product typeEnvironmental & Mechanical

Questions about this item

Should I pick the 20 to 180 F model or a different temperature range for my application?

Choose this model when your process stays between 20 and 180 degrees Fahrenheit; the 2-degree scale divisions let you read the non-toxic blue liquid clearly within that span.

What does the ±1 percent accuracy mean when the thermometer is installed in a pipe?

At any point across the 20 to 180 F range the reading will stay within 1 percent of the true temperature, so at 180 F the maximum error is about 1.8 degrees.

How does the 1/2 in NPT back connection limit the installation options?

The half-inch NPT thread screws directly into a matching fitting or the included thermowell; the back-mounted stem positions the dial perpendicular to the pipe axis for easy viewing.

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