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Model
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HT824
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DC Voltage Measurement
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Range
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0-30.000V（Upper part of screen）*1
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0-24.000V（Bottom of screen）*2
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0-90.000mV
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Resolution
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0.001V
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0.001V
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0.001mV
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Accuracy
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0.1%+5
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0.05%+5
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0.05%+5
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*1和*2：Input resistance is greater than 1MΩ
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DC Voltage Output
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Range
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0—20.000V
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0—90.000mV
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Resolution
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0.001V
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0.001mV
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Accuracy
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0.05%+5
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0.05%+5
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Millivolt measurement and output*1
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Range
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-10.000mV—80.000mV
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Resolution
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0.001mV
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Accuracy
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0.05%+5
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*1 Press TC(16) to select this function. Signal is at thermocouple micro input/output TC port.
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DC Current (milliampere) Measurement
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Range
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0—24.000mA（Upper part of screen）*1
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0—24.000mA（Bottom of screen）*2
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Resolution
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0.001mA
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0.001mA
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Accuracy
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0.05%+5
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0.05%+5
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DC Current (milliampere) Output
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Range
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0—24.000mA
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Resolution
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0.001mA
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Accuracy
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0.05%+5
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SIMU（Simulation）When outputting current, external voltage is greater than 12V, less than 28V.
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SOUR（Source）When outputting current, signal driving ability is 1000Ω in 20mA.
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Resistance Measurement
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| <pOhm Range |
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0—400.00Ω
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400.0—4000.0Ω
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Accuracy ±Ω
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4 Wire（4W）
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0.02%+5
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0.02%+5
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2 Wire（2W）and 3 Wire（3W）
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0.05%+5
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0.05%+5
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Excitation current：0.2mA。
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Maximum input voltage：30V。
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2 Wire：Do not include wire resistance.
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3 Wire：Assume to use the matched testing wire, the total resistance cannot be greater than 100Ω.
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Resistance output
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Range
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5.00Ω―400.00Ω
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400.0―1500.0Ω
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Excitation current from the measurement instrument
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0.15mA-2mA
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0.05mA-0.8mA
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Accuracy ±Ω
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0.05%+5
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0.05%+5
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Resolution
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0.1Ω
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0.1Ω
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Temperature - Thermocouple
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Type
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Range
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Resolution
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Measurement and output accuracy ±℃
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S
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-50.0℃ to 0℃
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0.1℃/0.1℉
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2℃
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0℃ to 500.0℃
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0.1℃/0.1℉
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1.5℃
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500.0℃ to 1760.0℃
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0.1℃/0.1℉
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1.3℃
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R
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-50.0℃ to 0℃
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0.1℃/0.1℉
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2℃
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0℃ to 500.0℃
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0.1℃/0.1℉
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1.5℃
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500.0℃ to 1760.0℃
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0.1℃/0.1℉
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1.3℃
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B
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200℃ to 800℃
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1℃/1℉
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2.5℃
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800℃ to 1800℃
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1℃/1℉
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2.3℃
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K
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-200.0℃ to 1370.0℃
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0.1℃/0.1℉
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1.3℃
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N
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-200.0℃ to 1300.0℃
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0.1℃/0.1℉
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1.3℃
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E
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-200.0℃ to 1000.0℃
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0.1℃/0.1℉
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1℃
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J
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-200.0℃ to 1200.0℃
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0.1℃/0.1℉
|
1℃
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T
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-200.0℃ to 400.0℃
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0.1℃/0.1℉
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1℃
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Thermocouple adopts ITS-90
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If open cold junction compensation, there should be additional ±0.5℃
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Temperature – Thermal resistance
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Type
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<p Accuracy ±℃ |
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Range
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Testing 4 wire ℃
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Testing 2 wire and 3 wire ℃
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Output ℃
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Pt100-385
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<p-200.0℃-850.0℃ |
0.8℃
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1℃
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0.8℃
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Pt100-3926
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-200.0℃-850.0℃
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0.8℃
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1℃
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0.8℃
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Pt100-JIS
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-200.0℃-850.0℃
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0.8℃
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1℃
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0.8℃
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Pt200-385
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-200.0℃-250.0℃
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0.7℃
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0.8℃
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0.7℃
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250.0℃-630.0℃
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1.3℃
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2.1℃
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1.3℃
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Pt500-385
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-200.0℃-500.0℃
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0.8℃
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1.1℃
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0.8℃
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500.0℃—630.0℃
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1℃
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1.5℃
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1℃
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Pt1000-385
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-200.0℃-100.0℃
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0.7℃
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0.7℃
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0.8℃
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100.0℃-630.0℃
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0.7℃
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0.8℃
|
0.8℃
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Cu100
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-50.0℃-150.0℃
|
1℃
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1.2℃
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1℃
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Cu50
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-50.0℃-150.0℃
|
1℃
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1.2℃
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1℃
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Resolution: 0.1°C, 0.1°F
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Allowable excitation current(output): Pt100-385, Pt100-392, Pt100-JIS, Pt200-385:0.15 to 3.0 mA
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Pt500-385:0.05 to 0.80mA;Pt1000-385:0.05 to 0.40mA
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2 Wire：Do not include wire resistance.
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3 Wire：Assume to use the matched testing wire, the total resistance cannot be greater than 100Ω.
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Comprehensive Index
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Operation temperature
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0℃ to 50℃
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Storage temperature
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-20℃ to 70℃
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Operation height
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Average elevation 3000 meters below.
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Relative humidity (No condensation relative work humidity %)
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75%(30℃ to 40℃)
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45%(40℃ to 50℃)
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35%(50℃ to 55℃)
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<10℃, no control
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