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![GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)](image/cache/wp/gp/image/GW-Instek_PFR-100M-800x800.webp "GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)")
![GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)](image/cache/wp/gp/image/GW-Instek_PFR-100M-1-800x800.webp "GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)")
![GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)](image/cache/wp/gp/image/GW-Instek_PFR-100M-back-800x800.webp "GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)")
![GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)](image/cache/wp/gp/image/GW-Instek_PFR-100M-100x100.webp "GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)")
![GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)](image/cache/wp/gp/image/GW-Instek_PFR-100M-1-100x100.webp "GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)")
![GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)](image/cache/wp/gp/image/GW-Instek_PFR-100M-back-100x100.webp "GW Instek PFR-100 [PFR-100MGL] Fanless Multi-Range D.C. Power Supply (GPIB/LAN/0-250V/0-2A/100W)")
The GW Instek PFR-100MGL is a 100W, programmable DC power supply featuring a fanless, natural convection cooling design for silent operation and reduced maintenance. It provides multi-range operation (up to 250V/0.4A or 50V/2A), high resolution (10 mV /0.1 mA), and includes standard USB/RS-232/485, plus factory-installed LAN and GPIB interfaces. The GW Instek PFR-100MGL is a 100W, fanless, programmable DC power supply (0–250V/0–2A) designed for high-performance testing, featuring multi-range operation, GPIB/LAN interfaces, and constant power output. Its primary applications include high-voltage, low-current testing of electronic components, industrial automation, and sensitive, noise-critical, or dusty environments due to its convection cooling design. The PFR-100 series, a small and high-performance programmable D.C. power supply, adopts natural convection design to dissipate heat. The fanless structure allows users to focus on their experiments and tests in a quiet environment. Fanless power supply will not suck in dust and foreign objects, therefore, PFR-100 series has a longer life cycle compared with that of power supplies with fan. The PFR-100 series is a power supply with a five-fold rated power that allows users to self-define voltage and current under rated power conditions so as to satisfy them with wider voltage and current operational ranges. PFR-100 series, with rated 100W, provides two models: PFR-100L- maximum output voltage of 50V (at 2A) or maximum output current of 10A (at 10V); PFR-100M maximum output voltage of 250V (at 0.4A) or maximum output current of 2A (at 50V). The PFR-100 series provides front and rear panel output terminals. The front panel output terminal helps users shorten test lead replacement time while conducting adjustment on front panel's function keys. The rear panel output terminal facilitates an easy wiring operation for rackmount assembly. 3U height, 70mm width and 2.5KG in weight have greatly elevated PFR-100 series portability. Furthermore, the multi-drop mode allows users to control up to 31 PFR-100 series without using switch/Hub that help users save the equipment cost.
![GW Instek PFR-100 [PFR-100L] Fanless Multi-Range DC Power Supply, (0~50V/0~10A/100W)](image/cache/wp/gp/image/GW-Instek_PFR-100L-800x800.webp)
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