GW Instek GPM-8330 Digital Power Meter

The GW Instek GPM-8330 is a highly accurate 3-channel programmable digital power meter designed for three-phase simultaneous measurements on both AC and DC power supplies. Let’s explore its features:

Test Bandwidth:
- The GPM-8330 offers a testing bandwidth of DC, 0.1Hz~100 kHz.
- It features a 16-bit A/D converter with a sampling rate of 300 kHz.
Measurement Parameters:
- The GPM-8330 provides 25 different power measurement parameters, including:
  - 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)
  - Maximum current ratio (MCR)
  - MATH calculation function
Wiring Modes:
- Users can choose from multiple input voltage configuration wiring modes: 1P3W, 3P3W, 3P4W, 3V3A.
- This flexibility allows measurement parameters for specific wiring methods and even efficiency calculations.
Accuracy and Range:
- For a rated input voltage of 1000V and an input current of 20A, it supports a minimum current range of 0.5A (resolution of 0.1mA).
- Power measurement resolution: 0.1mW.
- Crest factor (CF) can reach up to 6 (for half range).
- Voltage/current/power measurement accuracy: ±0.1% reading ±0.05% range.
Communication Interfaces:
- Standard interfaces include RS-232C, USB device/host, and LAN.
- Optional interface: GPM-DA12 – GPIB + Digital I/O (factory installed only).

In summary, the GW Instek GPM-8330 is a fully-featured and cost-effective power meter, providing accurate and convenient power measurements for a wide range of applications.

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). Therefore, they provide the best range and accuracy support for measuring the power consumption of electrical and electronic products.

Standard Accessories

Safety Instruction Sheet x 1, Power cord x 1,
Test lead GTL-209 x 3, Test lead GTL-212A x 3,
CD x 1 (including complete user manual and USB driver)

Datasheet GPM-8330/8320 Digital Power Meter