HT instruments HT9021 - Manual (Page 18)

HT9021
EN - 17
6. TECHNICAL SPECIFICATIONS
6.1. CHARACTERISTICS
Accuracy is calculated as [% rdg + (number of dgt) x resolution]. It is referred to the
following reference conditions: 18°C
÷ 28°C (65°F ÷ 83°F), < 75%RH
DC Voltage (Autorange)
Range Resolution Accuracy Input impedance
Overload
protection
600.0mV 0.01mV
±(1.0%rdg + 3dgt) 10M Ω 1000VDC/ACrms
6.000V 0.001V
60.00V 0.01V
600.0V 0.1V
1000V 1V
The meter emits a “bip-bip” sound with VDC >1000V
AC Voltage TRMS (Autorange)
Range Resolution Accuracy
Input
impedance
Bandwidh
Overload
protection
6.000V 0.001V ±(1.0%rdg+4dgt)
(50 ÷ 60Hz)
±(3.5%rdg+5dgt)
(61 ÷ 400Hz)
10M Ω 50-400Hz 1000VDC/ACrms
60.00V 0.01V
600.0V 0.1V
1000V 1V
Integrated sensor for AC voltage detection: LED turn on for phase-earth voltage > 100V, 50/60Hz
The meter emits a “bip-bip” sound on 1000V range for VAC>770V
Resistance and Continuity test (Autorange)
Range Resolution Accuracy Buzzer Overload protection
600.0 Ω 0.1Ω
±(1.0%rdg+5dgt)
≤ 60 Ω 600VDC/ACrms
6.000k Ω 0.001k Ω
60.00k Ω 0.01k Ω
600.0k Ω 0.1k Ω
6.000M Ω 0.001M Ω
60.00M Ω 0.01M Ω ±(2.0%rdg.+10dgt)
Test current of continuity test: < 0.35mA
DC Current
Range Resolution Accuracy (*) Overload protection
60.00A 0.01A ±(2.2%rdg.+10dgt)
1000AACrms 600.0A 0.1A ±(2.0%rdg+8dgt)
1000 1A
(*) Referred to cable inside to the center of clamp jaws. Position sensitivity: ±2.0%rdg
AC TRMS Current
Range Resolution Accuracy (*) Bandwidh Overload protection
60.00A 0.01A ±(2.2%rdg+12dgt)
50 ÷ 60Hz
1000AACrms
600.0A 0.1A ±(2.2%rdg+8dgt)
1000A 1A
60.00A 0.01A ±(3.5% rdg+12dgt)
61 ÷ 400Hz 600.0A 0.1A ±(3.5%rdg+8dgt)
1000A 1A
PEAK function: response time <10ms ; Accuracy PEAK function: ±(5%rdg+10dgt)
(*) Referred to cable inside to the center of clamp jaws. Position sensitivity: ±2.0%rdg