- Description
- Technical Details
- Questions & Answers
The Nissei DG-503MAX is a digital SWR & watt meter that is highly accurate and covers the HF/VHF/UHF bands. The large LCD displays Forward / Reflected power and SWR simultaneously and is bright and easy to read. There are input/output connectors for both HF & VHF/UHF that you can toggle between with the switch in the front of the meter.
Its rear switch allows you to operate on FM, CW, FDMA, or DMR (TDMA) ,AM, SSB while in the MAX ON position. Includes 12V DC power wire. Alternative to the MFJ-849
DG-503MAX Technical Specifications
Frequency Range | 1.6 - 60 MHz / 125 - 525 MHz
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Measurement (Analog Mode) | CW, FM, FDMA
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Measurement (MAX Mode) | DMR (TDMA), AM, SSB
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Calibration Point | 28 / 145 / 435 MHz
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Power Range | 0 - 200W
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Accuracy | ± 5%
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Minimum Power for SWR | 1W
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Input/Output Connectors | SO-239 (UHF Female)
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Insertion Loss | Less than 0.1 dB
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Testing Function | Forward / Reflected Power & VSWR
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Input Output Impedance | 50 Ohm
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Dimensions (W x H x D) | 140 x 84 x 122mm | 5.5 x 3.3 x 4.8 inch |
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What wire is positive and ground?
The wire with the dashed white line is positive, the other wire with no coloration is ground
How does this meter get power?
You need to use at least a 12VDC 1A power source for this meter to function. In a vehicle, you can tap into any 12V power source. At home you need a separate power supply (sold separately).
Contact Us
📍
- Walcott Radio
- 2940 N Plainview Rd Walcott
- Walcott, IA 52773
📞
- Phone Support
- 1-844-925-2688
- M-F 10am to 5pm CST
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- Store Hours
- M-F 9am-6pm
- Sat 9am-5pm
- Sun Closed
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