HT Neptune - Technical Specifications; Technical Characteristics

NEPTUNE
EN - 34
7. TECHNICAL SPECIFICATIONS
7.1. TECHNICAL CHARACTERISTICS
Accuracy calculated as [%reading + (no. digits*resolution)] at 23°C  5°C <80%RH.
DC Voltage (Autorange)
Range
[V]
Resolution
[V]
Accuracy
Input
impedance
Overload protection
0.0  999.9
0.1
(0.5%rdg + 2digits) 5M
1000VDC/ACrms
AC, AC+DC, Loz TRMS Voltage (Autorange)
Range
[V]
Resolution
[V]
Frequency Accuracy Overload protection
0.5  999.9
0.1 32Hz ÷ 1kHz
(0.5%reading + 2digits)
1000VDC/ACrms
Input impedance function VAC: 5M,
Input impedance function LoZ: 3.5k for 10s (@ 110V/50Hz), 4.5s (@ 230V/50Hz), 1s (@ 400V/50Hz). For higher
voltage values, input impedance becomes higher than 10k. WARNING: do not leave the instrument connected for
more than 1min.
Automatic selection DC mode, Max crest factor: 1.5
Current and Voltage frequency (Autorange)
Range [Hz] Resolution [Hz] Accuracy
32.00  99.99
0.01
(0.1%rdg +1digit)
100.0  999.9
0.1
Voltage range: 0.5V ÷ 999.9V, Current field: 0.5A ÷ 3000A (Flexible clamp F3000U), 1mV ÷ 1000mV (STD clamp)
AC TRMS Current (Flexible clamp F3000U) – (Autorange)
Range [mV] Resolution [mV] Accuracy (*)
1  3000
1
(0.5%rdg + 2digits)
(*) For frequency >100Hz accuracy is: (1.5%reading + 5digits)
Max crest factor: 3 ; Frequency bandwidth: 1kHz ; Current zeroed for value <1%FS [A]
AC TRMS Current (flexible clamp FS 1V) and DC, AC, AC+DC (STD clamp) – (Autorange)
Range [mV] Resolution [mV] Accuracy (*)
1  1000
1
(0.5%rdg + 2digits)
(*) For frequency >100Hz accuracy is: (1.5%reading + 5digits)
Max crest factor: Frequency bandwidth: 1kHz;
Current zeroed for value <1%FS [A] (Flex clamp 1V), Current zeroed for value <1%FS [A] (STD clamp)
AC TRMS inrush current (Flexible clamp F3000U)
Range [mV] Resolution [mV] Accuracy (*)
1  3000
1
(2%reading + 2digits)
(*) Accuracy declared for frequency: DC, 42.5 ÷ 69Hz
Max crest factor: 3, Sampling frequency: 4kHz
Detection threshold: 1%FS [A] fixed
Response time: 1ms (Peak), 16.7ms, 20ms, 50ms, 100ms, 150ms, 175ms, 200ms (max RMS)
AC TRMS inrush current (Flexible clamp 1V) and DC, AC, AC+DC TRMS (STD clamp)
Range [mV] Resolution [mV] Accuracy (*)
1  1000
1
(2%reading + 2digits)
(*) Accuracy declared for frequency: DC, 42.5 ÷ 69Hz
Max crest factor: 3, Sampling frequency: 4kHz
Detection threshold: 1%FS [A] fixed
Response time: 1ms (Peak), 16.7ms, 20ms, 50ms, 100ms, 150ms, 175ms, 200ms (max RMS)
Resistance and continuity test (Autorange)
Range [] Resolution []
Accuracy Buzzer
0.0  199.9
0.1
(1.0%reading +
5digits)
<30
200  1999
1