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80T-150UA
Universal Temperature Probe
Instruction Sheet
Introduction
The Model 80T-150UA Universal Temperature Probe is a self-contained
temperature-to-voltage converter. The probe is designed to provide a
direct temperature reading when it is connected to any high impedance
DMM that is capable of 1 mV resolution and at least a 300-count full
scale readout capability. Output is 1 mV per degree (Celsius or
Fahrenheit). Two switch-selected temperature output scalings are
provided:
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Specifications The 80T-150UA will achieve rated accuracy when it is used with any 0.25 % DMM that has an input impedance of ≥1 MΩ. Electrical Measurement Range: (See Probe Limitations) -50 to +150 °C -58 to +302 °F Accuracy: (Applies for one year after purchase or calibration) AMBIENT °C ACCURACY +15 to +35 °C ±1 °C from 0 to +100 °C, decreasing linearly to ±3 °C at -50 and +150 °C 0 to +15 °C and ±2 °C from 0 to +100 °C, +35 to +50 °C decreasing linearly to ±4 °C at -50
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General Weight: 150 g (5.3 oz) Overall Length: 53.8 inch (1.36 m) Battery: Standard 9 V battery (NEDA #1604,6F22,006P) Battery Life: 600+ hours, typical (Alkaline Battery), 6.5 V minimum Output Termination: Standard 0.75-inch spaced double banana plug Probe Material: Glass-filled valox Probe Size: 0.6 inch maximum diameter Tip Material: Nickle Plated Copper Tip Size: 0.31 cm (0.12 inch diameter) Operating Notes The following paragraphs are intended to familiarize the operator with t
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F1.eps Figure 1. Initial Case Temperature Above Ambient vs Meter Reading Above Ambient Operation Use the following procedure to operate the 80T-150UA probe: 1. Connect the banana plugs on the 80T-150UA to the input terminals of a high impedance DMM. Observe polarity. 2. Select a dc voltage range that will provide at least 1 mV resolution (1 mV/degree) and a full scale readout that will encompass the expected temperature. The 2 V range of a 3 1/2-digit DMM is adequate. Ignore readin
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Battery Replacement XWWarning To avoid electrical shock, remove the probe from the measurement surface before opening the case. Totally reassemble the instrument before attempting to use it. 1. Set the power switch to the OFF position. 2. Disconnect the 80T-150UA from the DMM. 3. Turn the 80T-150UA so the power switch is facing down. Remove the single screw located between the banana plugs. 4. Grasp one case half in each hand. Pull the two halves apart, beginning at the end with the ba
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Sensing Probe and Cable Assembly VR2 VR4 VR3 VR1 MP101 MP102 F4.eps Figure 2. 80T-150UA Temperature Probe Test Equipment Requirements Minimum Use Recommended Instrument Type Specifications Model Mercury Thermometer 0.1 °C Resolution Princo Model SAMA- CP45 Dewar Flask and Cap 1-Pint Capacity (for Ice Bath) Thermos Bottle Metal or Glass Container 1-Pint Capacity Suitable for Boiling Water Digital Voltmeter 100 mV Range with 10 μV Fluke Model 8845A Resolution 1000 mV Range with 10
