Product overview
DR electronics makes digital RF power and SWR meters (DR-100, DR-235, DR-250, DR-270) and directional couplers for HF, VHF, UHF and SHF. All meters measure forward and reflected power, SWR, PEP and dBm, and work with two couplers. Prices and availability on request by email.
RF power and SWR meters

Digital RF Wattmeter
The newest meter in the range. It reads forward and reflected power, calculates SWR and switches between two couplers, all on a compact cabinet using a high contrast blue OLED display.
- Forward and reflected power & SWR, plus PEP and peak readings
- 256 × 64 OLED display with five screens: power, SWR bar, dBm, Scope wave and clock UTC/Local
- Two input RF couplers (internal HF/6M 2.5KW and external for HF/6M 2.5KW or V/U/SHF 1KW) (Option)
- Adjustable PEP hold (0.1, 1 or 2 s) and peak hold (0.1–2 s)
- SWR alarm from 1.5 to 3.9 with buzzer and red LED auto resettable
- Optional WiFi module for remote access of Web Server using your Chrome browser
Brochure (PDF)User manual (PDF)Video

Digital RF Power/Scope meter with touch screen
The compact 3.5" Powermeter in the range. A bright color touch screen display makes it easy to control all settings.
- Forward/reflected power & SWR bars fast Auto Range.
- Touch buttons at bottom of display to change 1/2 couplers, bands, PEP time, mode, Wi-Fi, setup
- UTC clock and Wi-Fi signal strength on display
- Adjustable SWR trigger Alarm auto resettable
Brochure (PDF)User manual (PDF)Video

Digital RF Power/Scope meter with touch screen
The medium 5" touch screen display in the range. Forward power, reflected power and SWR each get their own scale, and the touch buttons below the display switch coupler, band and display modes.
- Forward/reflected power & SWR bars fast Auto Range.
- Touch buttons at bottom of display to change 1/2 couplers, bands, PEP time, mode, Wi-Fi, setup
- UTC clock and Wi-Fi signal strength on display
- Adjustable SWR trigger Alarm auto resettable
Brochure (PDF)User manual (PDF)Video 1Video 2Video 3

Digital RF Power/Scope meter with touch screen
The widest 7" touch screen display in the range. Forward power, reflected power and SWR each get their own scale, and the touch buttons below the display switch coupler, band and display modes.
- Forward/reflected power & SWR bars fast Auto Range.
- Touch buttons at bottom of display to change 1/2 couplers, bands, PEP time, mode, Wi-Fi, setup
- UTC clock and Wi-Fi signal strength on display
- Adjustable SWR trigger Alarm auto resettable
Brochure (PDF)User manual (PDF)Video
RF couplers

High power RF coupler HF > 6M 2500W
A high power RF coupler for the HF and 6M bands, rated for 2.5 kW.
- Frequency range 1.8–54 MHz
- 2500 W continuous, 5000 W peak
- TEFLON RF input and antenna connectors
- SMA outputs for forward and reflected power
- Stainless steel housing
Brochure (PDF)

High power RF coupler for HF, 10 kW
A high power RF coupler for the HF bands, rated for 10 kW.
- Frequency range 1.8–30 MHz
- 7000 W continuous, 10000 W peak
- TEFLON RF input and antenna connectors
- SMA outputs for forward and reflected power
- Stainless steel housing
Brochure (PDF)

RF coupler for VHF, UHF and SHF
A directional coupler for the higher bands, rated for 1 kW. Teflon N connectors used for RF and SMA connectors for the forward and reflected samples.
- VHF, UHF and SHF use
- 1 kW rating
- N connectors for RF input and antenna
- SMA outputs for forward and reflected power
- Aluminium housing
Brochure (PDF)
Manuals and guides
Firmware
Tools
Contact
Email sv1ozcq@gmail.com for prices, availability and questions. Join the HAM Radio Cafe Facebook group. Call signs SV1OZ and DK1OZ.