{"product_id":"testo-5907603-digital-multimeter-cat-iii-1000v-cat-iv-600v","title":"Testo 5907603 Digital Multimeter Cat Iii 1000V Cat Iv 600V","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe TESTO 5907603 is a full-size digital multimeter rated for CAT III 1000V and CAT IV 600V environments, designed for licensed electricians and HVAC technicians who need accurate, reliable electrical measurements in demanding field conditions. It delivers true RMS (TRMS) AC response for accurate readings on non-sinusoidal waveforms, making it well suited for variable-frequency drives and modern electronic loads. The meter carries an IP64 rating, providing protection against dust ingress and water splashing from any direction. It measures AC and DC voltage up to 1000V, AC and DC current up to 10A, resistance, capacitance, frequency, and temperature in both degrees F and degrees C.\u003c\/p\u003e\n\u003cp\u003eThe 5907603 is built for residential and commercial electrical service work, HVAC system diagnostics, and general trade applications where a full-size, safety-rated multimeter is required. Its measurement range starts as low as 0.1 mV for voltage and 0.1 microamps for current, giving technicians the resolution needed for low-signal troubleshooting alongside high-voltage measurements. The broad parameter set — including capacitance and temperature — reduces the number of tools a tech needs to carry to a job site.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eTRMS AC response for accurate readings on distorted or non-sinusoidal waveforms\u003c\/li\u003e\n  \u003cli\u003eCAT III 1000V and CAT IV 600V safety ratings for use in high-energy electrical environments\u003c\/li\u003e\n  \u003cli\u003eIP64-rated enclosure resists dust and water splash for field durability\u003c\/li\u003e\n  \u003cli\u003eMeasures AC voltage, DC voltage, AC current, DC current, resistance, capacitance, frequency, and temperature\u003c\/li\u003e\n  \u003cli\u003eTemperature measurement in both degrees F and degrees C\u003c\/li\u003e\n  \u003cli\u003eMinimum resolution of 0.1 mV (voltage) and 0.1 microamps (current) for fine-detail diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a general-purpose full-size digital multimeter suitable for electrical, HVAC, and mechanical trade applications requiring CAT III or CAT IV safety-rated test equipment.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eThis instrument is intended for use by qualified electricians and licensed trade professionals familiar with electrical safety practices. Always de-energize circuits where permitted before connecting test leads, and verify the meter's CAT rating is appropriate for the installation category before making measurements. Follow NFPA 70E arc flash safety requirements and use properly rated test leads and personal protective equipment when working on energized systems.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax AC Voltage\u003c\/strong\u003e: 1000V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax DC Voltage\u003c\/strong\u003e: 1000V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMin AC Voltage Resolution\u003c\/strong\u003e: 0.1 mV\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMin DC Voltage Resolution\u003c\/strong\u003e: 0.1 mV\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax AC Current\u003c\/strong\u003e: 10A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax DC Current\u003c\/strong\u003e: 10A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMin AC Current Resolution\u003c\/strong\u003e: 0.1 microamps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMin DC Current Resolution\u003c\/strong\u003e: 0.1 microamps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAC Response\u003c\/strong\u003e: TRMS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eParameters Measured\u003c\/strong\u003e: AC Voltage, DC Voltage, AC Current, DC Current, Resistance, Capacitance, Frequency, Temperature\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety Rating\u003c\/strong\u003e: CAT III 1000V, CAT IV 600V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP Rating\u003c\/strong\u003e: IP64\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultimeter Style\u003c\/strong\u003e: Full Size\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Units\u003c\/strong\u003e: degrees F, degrees C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 11.22 inches (L) x 6.29 inches (W) x 2.36 inches (H)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.14 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: CN\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TESTO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5907603\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TESTO","offers":[{"title":"Default Title","offer_id":51669042626866,"sku":"5907603","price":14.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/84665311d67cf57f253bd46fb592a1cf.webp?v=1787955873","url":"https:\/\/voomisupply.com\/products\/testo-5907603-digital-multimeter-cat-iii-1000v-cat-iv-600v","provider":"Voomi Supply","version":"1.0","type":"link"}