Technical Specifications |
GL7-HV |
Type of module | Voltage measurement module - High-speed sampling model - |
Model number | GL7-HV |
Number of input channels | 2 channels |
Input method | All channels isolated unbalanced input, Simultaneous sampling,Isolated BNC connector |
Sampling speed (interval) | 1 M Samples/s to 1 Sample/h (1 µs to 1 hr.) |
Built in RAM | 2 million samples for each channel |
Input coupling and measurement | AC, DC, AC-RMS, DC-RMS |
Measurement range |
DC, AC | 2, 5, 10, 20, 50, 100, 200, 500, 1000 V Full Scale |
DC-RMS, AC-RMS | 1, 2, 5, 10, 20, 50, 100, 200, 500 Vrms Full Scale(Crest Factor: up to 4 in 1 to 200 Vrms range, up to 2 in 500 Vrms range) |
Measurement accuracy (*1) |
DC, AC | ±0.25% of Full Scale |
DC-RMS | Sine wave measurement±0.5% of Full Scale (at 20 Hz = F = 1 kHz)±1.5% of Full Scale (at 1 kHz < F = 20 kHz)Response time: 500ms (Crest Factor is up to 4) |
AC-RMS | Sine wave measurement±0.5% of Full Scale (at 100 Hz = F = 1 kHz)±1.5% of Full Scale (at 1 kHz < F = 20 kHz)Response time: 500 ms (Crest Factor is up to 4) |
A/D converter | Successive Approximation type, 16 bits (effective resolution: 1/40000 of the measuring full range in the DC and AC coupling,1/20000 of the measuring full range in the DC-RMS, AC-RMS coupling) |
Input impedance | 1 MO ±5% |
Maximum input voltage |
Between (+)/(-) terminal | 1000 Vp-p |
Between channels ((-) terminals) | 300 Vrms AC |
Between channel/GND | 300 Vrms AC |
Max. voltage (withstand) |
Between channels | 2300 Vrms AC (1 minute) |
Between channel/GND | 2300 Vrms AC (1 minute) |
Isolation |
Between input/GND | Min. 50 MO (at 500 V DC) |
Common-mode rejection ratio | Min. 90 dB (50/60 Hz, Signal source impedance: Max. 300 Ω) |
Frequency response | DC Coupling: DC to 200 kHz (+1/-3 dB)AC Coupling: 4Hz to 200 kHz (+1/-4.5 dB) |
Filter |
Low pass/td> | OFF, Line (1.5 Hz), 5, 50, 500, 5k, 50k Hz (at -3 dB, 6dB/oct) |
External dimensions (W×D×H) | Approx. 49 x 136 x 160mm (Excluding projections) |
Weight | Approx. 740 g |