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Hart Scientific 5649

Name: Schema+Brands 5649
Brand: Hart Scientific
SKU: Hart Scientific5649
Availability: InStock

0 reviews | Model: Hart Scientific 5649

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Designed by Hart’s primary standards design team
Two sizes available, with or without reference junction
Calibration uncertainty of ±0.15°C to 962°C, ±0.25°C to 1100°C, and ±2°C to 1450°C
We ship Hart Scientific products only within the United States and United States territories. This DOES include US military working abroad. If you have any questions about this policy please call - 1-877-742-8378.

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Made from the finest platinum and platinum-rhodium alloy, the Type R and Type S Thermocouples cover a temperature range of 0°C to 1450°C with uncertainties as good as 0.15°C over most of that range. With four different models for each type, we have the thermocouple to fit your application.

The measuring junction of both the 5649 and the 5650 is encased in a 0.25-inch (6.35 mm) alumina sheath that can be ordered in lengths of 20 or 25 inches (50.8 or 63.5 cm) to fit the specific requirements of your application. A reference, or “cold,” junction may also be ordered. The reference junction uses a stainless steel sheath and is 8.25 inches long (21 cm) by 0.188 inches in diameter (4.8 mm). The thin diameter minimizes the immersion depth needed, but the extra length ensures you can get all the immersion you like.

Special tin-plated, solid-copper connecting wires with ultra-low EMF properties are used to help retain the integrity of your measurement junction where the probe attaches to your micro voltmeter or Hart Black Stack.

Each probe comes from a spool of wire that has been sample tested using fixed-point standards to ensure uncertainties less than 0.5°C up to 1100°C. From 1100°C to 1450°C, the uncertainty increases linearly to 3.0°C. If you need greater accuracy, order an individual calibration with fixed-point standards to reduce uncertainties to ±0.15°C up to 962°C, ±0.25°C up to 1100°C, and increasing linearly to ±2.0°C at 1450°C.

The probe assembly can be easily disassembled for performing your own bare-wire calibrations.

Range	0°C to 1450°C
Type	Platinum/13% rhodium vs. platinum (type R) Platinum/10% rhodium vs. platinum (type S)
Calibration	Wire spool sampling method by fixed point (optionally available by fixed point for individual thermocouples)
Calibration Uncertainty	±0.5°C to 1100°C ±3.0°C to 1450°C
Dimensions Hot Junction Sheath	0.25" (6.35 mm) diameter, see Ordering Information for lengths
Dimensions Cold Junction Sheath	0.188" diameter x 8.25" length (4.8 x 210 mm)
Long-Term Stability	±0.5°C to 1100°C ±2.0°C to 1450°C (over one year depending on usage)
Short-Term Stabilities	±0.2°C to 1100°C ±0.6°C to 1450°C
Immersion	At least 6” recommended
Copper/Copper Wires to Readout	60” L, tin-plated, Teflon-insulated, low EMF solid copper
Protective Case	Model 2602 case included
Weight	2 lb. (1 kg)

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