Instruction Sheets for Part Number DMN-SX400
Diamond Antenna SX400 Power Meters
Meter, Peak Power/SWR, 140-525 MHz, 5/20/200w Ranges, SO-239, Illuminated, 12 Vdc, Each
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Estimated Ship Date: May 12, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SX400
Part Type:
Product Line:
DXE Part Number:
DMN-SX400
UPC:
4936312070102
Meter Frequency Range:
140-525 MHz
Minimum Power Range:
5 W
Middle Power Range:
20 W
Maximum Power Range:
200 W
Meter Style:
Sweep needle
Meter Illumination:
Yes
Peak Power Readout:
Yes
Peak Hold:
No
Built-In Frequency Counter:
No
Meter RF Connector Type:
UHF female, SO-239
DC Power Required:
No
External Power Input Voltage:
12 Vdc
Remote Sensor Included:
No
SWR/Wattmeter Width:
6.000 in.
SWR/Wattmeter Height:
2.000 in.
SWR/Wattmeter Depth:
4.000 in.
SWR/Wattmeter Weight:
2.00 lbs.
Quantity:
Sold individually.
Diamond Antenna SX400 Power Meters
Everything the SX200 does for you on HF, the Diamond Antenna SX400 Power Meters will do on VHF and UHF.
SX400 meters measure forward/reflected power and SWR using a single sweep meter. Their compact size makes these meters useful for testing both base and mobile installations.
Featuring switchable RMS or peak power, the illuminated meter (external power required) also displays antenna SWR, as needed. The small size of these meters will allow for installation in many vehicles, and the 140-525 MHz coverage suits numerous VHF/UHF base and mobile transceivers.
Note: For additional product information, please look at the files under the "Documentation" tab.
Incorporating three power ranges with full-scale readings of 5, 20, and 200 watts, these Diamond Antenna SX400 Power Meters from DX Engineering are a must for the active VHF/UHF amateur operator!
Documentation
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