{"product_id":"4w-20w-analog-standing-wave-meter-head-swr-watt-rf-power-meter-for-radio-transmitter","title":"4W\/20W Analog Standing Wave Meter Head | SWR Watt RF Power Meter for Radio Transmitter","description":"\u003ch3\u003e\u003cspan style=\"font-size: 24px;\"\u003eFull Product Description\u003c\/span\u003e\u003c\/h3\u003e\u003ch5\u003e\u003cspan style=\"font-size: 20px;\"\u003eConstruction \u0026amp; Appearance\u003c\/span\u003e\u003c\/h5\u003e\u003cp\u003eMagneto electric system serves as core driving structure.\nPointer: Nickel foil copper connected aluminum hollow tube, carbon fiber black\nDimensions: Length 51.0mm ±0.5mm, Width 0.3mm ±0.1mm\nPointer stays aligned with bilateral zero calibration marks under power-off condition.\nUpper housing: ABS+PMMA; Lower housing: HIPS; Nameplate: Aluminum plate\nNo B board and bulb; Operation mode: Vertical mounting.\u003c\/p\u003e\u003ch5\u003e\u003cspan style=\"font-size: 20px;\"\u003eMain Performance Parameters\u003c\/span\u003e\u003c\/h5\u003e\u003cp\u003e• Internal DC Impedance: 1500Ω ±10%\u003cbr\u003e• Calibration Tolerance: ±5%\u003cbr\u003e• Relative Error: ±5%\u003cbr\u003e• Mechanical Zero Offset: ±1mm\u003cbr\u003e• Friction Error: ±1mm\u003cbr\u003e• Balance Error: ±1.5mm\u003cbr\u003e• Damping Time: 2–3 seconds\u003cbr\u003e• Insulation Resistance: ≥50MΩ (DC 500V test)\u003c\/p\u003e\u003ch5\u003e\u003cspan style=\"font-size: 20px;\"\u003eTesting Criteria\u003c\/span\u003e\u003c\/h5\u003e\u003cp\u003eStandard test condition: 20℃, 70% RH. Acceptable to test under ambient temperature.\nOvercurrent resistance test supports instantaneous 2× full-scale surge current. After 7 seconds overload, pointer should recover within half full scale range.\u003c\/p\u003e\u003cp\u003eThis meter movement is designed to assemble wireless radio standing wave meter, SWR watt meter and RF power transmitter measuring gauges, excellent spare core component for instrument production and maintenance.\u003c\/p\u003e","brand":"lillyelectronics","offers":[{"title":"Default Title","offer_id":40829958389889,"sku":"SD-SP-70","price":34.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/8647\/4369\/files\/c6a9bf08cf78b76e4a72f320d8d82e49.jpg?v=1784267852","url":"https:\/\/www.lilly-electronics.com\/products\/4w-20w-analog-standing-wave-meter-head-swr-watt-rf-power-meter-for-radio-transmitter","provider":"Lilly Electronics","version":"1.0","type":"link"}