GW Instek GPM-8320 - Digital Power Meter (RS-232C / USB device & host / LAN)
GW Instek GPM-8320/8330 are digital power meters designed specifically for measuring power in three-phase AC power sources, making it suitable for most electrical and electronic product testing applications (GPM-8320 provides 2 modules, and GPM-8330 provides 3 modules). These models have a testing bandwidth of DC, 0.1Hz~100 kHz and feature 16-bit A/D converters and a sampling rate of 300 kHz. A 5-inch TFT LCD display, 5 digits of measurement readings, 25 different power measurement parameters, and high precision measurement capabilities are also provided.
GPM-8320/8330 also feature waveform display capabilities (voltage/current/power), the integration measurement function, harmonics measurement and analysis of multiple orders (50/60Hz measurement complies with IEC61000-4-7 requirements), external sensor input terminals, and a variety of communications interfaces. These features help users achieve clear, convenient, and accurate power measurements, making them the most fully-featured and cost-effective power meters in the same category.
GPM-8320/8330 provide multiple input voltage configuration wiring modes (1P3W/3P3W/3P4W/3V3A). Users can choose the wiring mode according to their specific requirements to measure parameters for specific wiring methods, and even calculate efficiency. In addition, for a rated input voltage of 1000V and an input current of 20A, they support a minimum current range of 0.5A (resolution of 0.1mA), power measurement resolution of 0.1mW, crest factor of 3 (for half range, the CF can reach up to 6 or 6A), and voltage/current/power measurement accuracy of ±0.1% reading ±0.05% range. Users can select different measurement modes (AC+DC/ AC/ DC/ V-MEAN) to provide up to 25 related parameters for power measurement.
These parameters include voltage (Vrms/ Vac/ Vdc/ Vmn/ V+pk / V-pk), current (Irms/ Iac/ Idc/ I+pk/ I-pk), frequency (VHz/ IHz), power (P/ P+pk/ P-pk), crest factor (CFV/ CFI), apparent power (VA), reactive power (VAR), power factor (PF), phase angle (DEG), total harmonic distortion (THDV/ THDI), maximum current ratio (MCR), and MATH calculation function. Therefore, they provide the best range and accuracy support for measuring the power consumption of electrical and electronic products.
- 5” TFT LCD
- Voltage/Current Test Freq. Bandwidth: DC, 0.1Hz~ 100kHz
- Waveform Display : V (Voltage), I (Current), P (Wattage)
- Distorted wave Current/Voltage measurement: full range for CF=3, and half range for CF=6 (or 6A)
- Meeting IEC 61000-4-7 harmonic measurement (50/60Hz)
- Wiring selecting button (1P3W,3P3W,3P4W,3V3A)
- Harmonic measurement & analysis up to 50 orders
- Auto ranging function for Integration mode
- Screen Capture through USB host
- Provide external current sensor input (EXT1/EXT2)
- Standard Interface: RS-232C, USB device/ host, LAN；Optional Interface: GPM-DA12 - GPIB + Digital I/O (factory installed only)
General
| Channels | 2 |
| Parameters | Vrms , Vmn, Vdc , Vac, Irms , Idc , Iac, P, VA, VAR, PF, CFI, CFV, DEG, IHz, VHz, V+pk, V-pk, I+pk, I-pk, P+pk, P-pk,THDI, THDV, MATH, MCR |
Input
| Voltage Range | 15V/30V/60V/150V/300V/600V/1000Vrms (CF=3 ), 7 range |
| Current Range | 0.5A/1A/2A/5A/10A/20A (CF=3), 6 range |
| Accuracy | DC, 0.1Hz to 45Hz : ± (0.1% of reading + 0.2% of range) 45Hz to 66Hz : ± (0.1 % of reading + 0.05 % of range) 66Hz to 1kHz : ± (0.1 % of reading + 0.2 % of range) 1kHz to 10kHz : ± (0.07 *f) % of reading + 0.3% of range) 10kHz to 100kHz : ± (0.5 % of reading + 0.5 % of range) ± [{0.04x(f-10)}% of reading |
| Harmonics Accuracy | 10Hz to 45Hz : 0.15% of reading+ 0.35% of range 45Hz to 440Hz : 0.15% of reading+ 0.35% of range 440Hz to 1.2kHz : 0.15% of reading+ 0.35% of range |
| Voltage Input Resistance | 2MΩ |
Power
| Range | 7.5W ~ 20kW (42 ranges) |
| Accuracy | DC : ± (0.1% of reading + 0.2% of range) 0.1Hz to 45Hz : ± (0.3% of reading + 0.2% of range) 45Hz to 66Hz : ± (0.1 % of reading + 0.05 % of range) 66Hz to 1kHz : ± (0.2 % of reading + 0.2 % of range) 1kHz to 10kHz : ± (0.1 % of reading + 0.3 % of range) ± [{0.067x(f-1)}% of reading] 10kHz to 100kHz : ± (0.5 % of reading + 0.5 % of range) ± [{0.09x(f-10)}% of reading] |
Frequency
| Range | DC, 0.1Hz ~ 100kHz |
| Accuracy | ± (0.06% of reading) |
| Frequency Source | Voltage or Current source selectable |
Others
| Display Resolution | 5 Digits |
| Display Update Rate | 0.1s / 0.25s / 0.5s / 1s / 2s / 5s / 10s / 20s |
| Interface | Standard: RS-232C/USB host & device/LAN Option: mini GPIB+Digital IO (GPM-DA12) |
| Power Source | 100~240V±10%, 50/60Hz (Consumption: 35VA) |
| Dimension & Weight | GPM-8320: 220 (W) x 132 (H) x 402.5 (D) mm; Approx. 3.4 kg GPM-8330: 220 (W) x 132 (H) x 402.5 (D) mm; Approx. 3.85 kg |
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