{"product_id":"22mm-ac-digital-panel-meter-voltage-current-frequency-temperature-led-display","title":"22MM AC Digital Panel Meter – Voltage Current Frequency Temp LED","description":"\u003ch2\u003eCKCTINNER 22MM Dual Digital Display Panel Meter\u003c\/h2\u003e\n\u003cp\u003eMonitor your electrical systems at a glance with the \u003cstrong\u003eCKCTINNER 22MM AC Digital Panel Meter\u003c\/strong\u003e. This compact yet powerful multi-function meter displays \u003cstrong\u003evoltage (AC 60–500V)\u003c\/strong\u003e, \u003cstrong\u003ecurrent (0–100A)\u003c\/strong\u003e, \u003cstrong\u003efrequency (0–75Hz)\u003c\/strong\u003e, and \u003cstrong\u003etemperature (-20°C to 100°C)\u003c\/strong\u003e simultaneously on a bright LED display — making it an ideal solution for control panels, DIY electrical projects, generator monitoring, and industrial equipment enclosures.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Function Monitoring:\u003c\/strong\u003e Simultaneously reads AC voltage, current, frequency, and temperature on a dual digital LED display.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Measurement Ranges:\u003c\/strong\u003e AC 60–500V voltage, 0–100A current, 0–75Hz frequency, and -20°C to 100°C temperature coverage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e22MM Round\/Square Panel Mount:\u003c\/strong\u003e Compact form factor fits standard 22mm panel cutouts for easy installation in enclosures and control boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBright LED Display:\u003c\/strong\u003e High-visibility large LED digits ensure clear readings even in low-light environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Battery Required:\u003c\/strong\u003e Self-powered from the measured AC line — no separate power supply needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY \u0026amp; Professional Ready:\u003c\/strong\u003e Suitable for electricians, engineers, makers, and hobbyists working on electrical panels, test rigs, or automation projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Hole Size:\u003c\/strong\u003e 22mm (Round or Square)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Range:\u003c\/strong\u003e AC 60V – 500V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Range:\u003c\/strong\u003e 0 – 100A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Range:\u003c\/strong\u003e 0 – 75Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e -20°C to 100°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e LED Dual Digital Display\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Not required \/ Not included\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e CKCTINNER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis panel meter is perfect for \u003cstrong\u003eDIY electrical enthusiasts\u003c\/strong\u003e, \u003cstrong\u003eelectricians\u003c\/strong\u003e, \u003cstrong\u003eengineers\u003c\/strong\u003e, and anyone building or maintaining generator sets, solar power systems, motor control panels, or industrial automation enclosures. Its all-in-one display reduces the need for multiple separate instruments, saving space and cost.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the CKCTINNER 22MM panel meter measure?\u003c\/h4\u003e\n\u003cp\u003eA: The panel meter simultaneously measures and displays four parameters: AC voltage (60–500V), current (0–100A), frequency (0–75Hz), and temperature (-20°C to 100°C), all on a bright dual digital LED display.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the 22MM digital panel meter need a separate power supply or batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No. The meter is self-powered directly from the AC line being measured. No batteries or external power supply are required, making installation clean and straightforward.\u003c\/p\u003e\n\u003ch4\u003eQ: What size panel cutout does this meter require?\u003c\/h4\u003e\n\u003cp\u003eA: This meter is designed for a standard \u003cstrong\u003e22mm\u003c\/strong\u003e panel cutout and supports both round and square mounting configurations, making it compatible with most standard industrial and DIY control enclosures.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this panel meter suitable for solar or generator systems?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The wide voltage range (AC 60–500V) and current capacity (0–100A) make it well suited for monitoring solar inverter outputs, generator sets, motor starters, and similar electrical systems.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the CKCTINNER 22MM panel meter measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The panel meter simultaneously measures and displays four parameters: AC voltage (60–500V), current (0–100A), frequency (0–75Hz), and temperature (-20°C to 100°C), all on a bright dual digital LED display.\"}}, {\"@type\": \"Question\", \"name\": \"Does the 22MM digital panel meter need a separate power supply or batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The meter is self-powered directly from the AC line being measured. 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