<h2>Overview</h2>
<p>The <strong>Leeds Northrup 650012 range card</strong> is a thermocouple reference card designed for precise temperature measurement and calibration in industrial applications. This Type J thermocouple range card provides a standardized scale spanning 0°F to 600°F with corresponding millivolt values from –0.89 to 17.18 mV, making it essential for technicians and engineers who need accurate temperature reference data during thermocouple testing, commissioning, and maintenance work.</p>
<h2>Key Features</h2>
<ul>
<li>Type J thermocouple compatibility for industrial temperature measurement</li>
<li>Temperature range: 0°F to 600°F</li>
<li>Millivolt scale: –0.89 to 17.18 mV</li>
<li>Precision reference data for calibration and verification</li>
<li>Durable construction suitable for field and laboratory use</li>
</ul>
<h2>Technical Specifications</h2>
<p>The Leeds Northrup 650012 provides standardized reference values for thermocouple emf-to-temperature conversion. Engineers and maintenance technicians use this range card to verify thermocouple output accuracy and calibrate temperature measurement systems across a broad mid-range industrial band.</p>
<h2>Typical Applications</h2>
<ul>
<li>Industrial oven and furnace temperature monitoring</li>
<li>Thermocouple calibration and verification</li>
<li>Temperature data logging and recording systems</li>
<li>Test, measurement, and inspection work</li>
<li>Field commissioning of temperature control systems</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Type J thermocouples and thermocouple circuits</li>
<li>Leeds & Northrup temperature measurement instruments</li>
<li>Industrial potentiometers and galvanometers</li>
<li>Thermocouple indicators and recorders</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<p>Verify compatibility with your system integrator before ordering. This range card is a reference accessory; confirm part number match with original equipment documentation.</p>
<h3>Works With</h3>
<ul>
<li>Leeds & Northrup potentiometers and calibrators</li>
<li>Thermocouple millivolt reference standards</li>
<li>Industrial temperature measurement and recording systems</li>
</ul>
