{"product_id":"4-20ma-dc-signal-generator-plc-calibration-pwm-pulse-simulator","title":"4-20mA Signal Generator | PLC Calibrator \u0026 PWM Pulse 1-150kHz","description":"\n\u003ch2\u003eAdjustable DC Signal Generator – Voltage, Current \u0026amp; PWM Simulator for PLC Testing\u003c\/h2\u003e\n\u003cp\u003eTake the guesswork out of industrial calibration and control system testing with this professional-grade \u003cstrong\u003eAdjustable Signal Generator\u003c\/strong\u003e. Whether you're a technician, engineer, or electronics enthusiast, this compact multi-function tool lets you simulate 4-20mA current loops, DC voltage signals, and PWM pulse outputs — all from a single device with a vivid 2.0-inch TFT color display.\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 Output:\u003c\/strong\u003e DC analog voltage (±12V), DC analog current (0–24mA), and PWM pulse square wave — all in one unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Output Range:\u003c\/strong\u003e Freely configurable — set 0–20mA, 4–20mA, 0–10V, 0–5V, or custom engineering values to match your system\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePWM Pulse Output:\u003c\/strong\u003e Adjustable frequency from 1–150kHz with 0–100% duty cycle control (5V high level)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement Capability:\u003c\/strong\u003e Voltage measurement ±50V; Current measurement ±50mA — test as well as simulate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShort Circuit Protection:\u003c\/strong\u003e Built-in protection on voltage and current outputs for safe operation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2.0\" TFT Color Screen (320×240):\u003c\/strong\u003e All parameters displayed on one screen; supports Chinese and English interface switching\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Encoder Knob:\u003c\/strong\u003e Large tactile knob for precise, intuitive adjustment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Flexible Power Options:\u003c\/strong\u003e External 24V DC terminal \/ USB Type-C \/ Rechargeable Li-Ion battery (battery not included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS Housing:\u003c\/strong\u003e Tough, lightweight build designed for workshop and field use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSignal Generator \/ Calibrator\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Output Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±12V DC (with short circuit protection)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Measurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±50V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Output Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–24mA (short circuit protected)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Measurement Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±50mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePWM Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1–150kHz, 0–100% duty cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePWM High Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V (not suitable for 12V or 2V systems)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0\" TFT Color (320×240 px)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEncoder\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital rotary encoder (large knob)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24V DC terminal \/ USB Type-C \/ Li-Ion battery (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Signal Generator\u003c\/li\u003e\n  \u003cli\u003e1× USB Cable\u003c\/li\u003e\n  \u003cli\u003e4× Clips\u003c\/li\u003e\n  \u003cli\u003e1× Screwdriver\u003c\/li\u003e\n  \u003cli\u003e1× User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Note\u003c\/h3\u003e\n\u003cp\u003eThe PWM output of this device operates at a \u003cstrong\u003e5V high level\u003c\/strong\u003e. It is \u003cstrong\u003enot suitable\u003c\/strong\u003e for use in 12V or 2V systems, as 5V is interpreted as a low level in those systems. Please verify your system's logic levels before use.\u003c\/p\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePLC (Programmable Logic Controller) testing and commissioning\u003c\/li\u003e\n  \u003cli\u003eControl panel signal calibration\u003c\/li\u003e\n  \u003cli\u003e4-20mA current loop simulation\u003c\/li\u003e\n  \u003cli\u003eSensor and transducer testing\u003c\/li\u003e\n  \u003cli\u003eLED driver and PWM frequency testing\u003c\/li\u003e\n  \u003cli\u003eIndustrial automation troubleshooting\u003c\/li\u003e\n  \u003cli\u003eLab bench and field service applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2ch-16a-tuya-wifi-smart-switch-intelligent-interruptor-smart-life-app-control-breaker-relay-works-with-alexa-google-assistant\"\u003e1\/2 Channel Tuya WiFi Smart Relay Switch | 16A, Alexa \u0026amp; Google Home\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/sata-power-splitter-cable-1-to-5-18awg-hdd-ssd-extension\"\u003e1 to 5 SATA Power Splitter Cable 18AWG | HDD SSD Extension\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/displayport-to-hdmi-cable-4k-dp-adapter-pc-tv-projector-monitor\"\u003e1.8M DisplayPort to HDMI Cable 4K DP Adapter – PC TV Monitor\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExternal Resource\u003c\/h3\u003e\n\u003cp\u003eFor guidance on electrical safety standards in instrumentation, refer to \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What output types does this signal generator support?\u003c\/h4\u003e\n\u003cp\u003eA: This multi-function signal generator supports three output types: DC analog voltage (±12V), DC analog current (0–24mA), and PWM pulse square wave (1–150kHz, 0–100% duty cycle). Users can freely configure output ranges such as 0–20mA, 4–20mA, 0–10V, and 0–5V.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this device be used for 4-20mA PLC calibration?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This device is specifically designed for 4-20mA current loop simulation and calibration of PLC controllers, panel instruments, and industrial automation systems. Simply connect the output terminals and dial in your desired current value using the digital encoder knob.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power sources are compatible with this signal generator?\u003c\/h4\u003e\n\u003cp\u003eA: The device supports three power supply methods: an external 24V DC terminal input, a USB Type-C connection, or an internal rechargeable lithium-ion battery (battery not included and must be purchased separately).\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the PWM output compatible with 12V systems?\u003c\/h4\u003e\n\u003cp\u003eA: No. The PWM output operates at a 5V high logic level. It is not suitable for 12V or 2V systems because in those systems, 5V is treated as a low-level signal. Please confirm your system's logic voltage requirements before use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the device measure signals as well as generate them?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. In addition to generating signals, this device can measure DC voltage up to ±50V and current up to ±50mA, making it a versatile tool for both signal simulation and field measurement tasks.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What output types does this signal generator support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This multi-function signal generator supports three output types: DC analog voltage (±12V), DC analog current (0–24mA), and PWM pulse square wave (1–150kHz, 0–100% duty cycle). Users can freely configure output ranges such as 0–20mA, 4–20mA, 0–10V, and 0–5V.\"}}, {\"@type\": \"Question\", \"name\": \"Can this device be used for 4-20mA PLC calibration?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This device is specifically designed for 4-20mA current loop simulation and calibration of PLC controllers, panel instruments, and industrial automation systems. Simply connect the output terminals and dial in your desired current value using the digital encoder knob.\"}}, {\"@type\": \"Question\", \"name\": \"What power sources are compatible with this signal generator?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The device supports three power supply methods: an external 24V DC terminal input, a USB Type-C connection, or an internal rechargeable lithium-ion battery (battery not included and must be purchased separately).\"}}, {\"@type\": \"Question\", \"name\": \"Is the PWM output compatible with 12V systems?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The PWM output operates at a 5V high logic level. It is not suitable for 12V or 2V systems because in those systems, 5V is treated as a low-level signal. 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In addition to generating signals, this device can measure DC voltage up to ±50V and current up to ±50mA, making it a versatile tool for both signal simulation and field measurement tasks.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/vd0uzy-jp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Soldering \u0026 Electrical\", \"item\": \"https:\/\/vd0uzy-jp.myshopify.com\/collections\/soldering-electrical\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"4-20mA Signal Generator | PLC Calibrator \u0026 PWM Pulse 1-150kHz\", \"item\": \"https:\/\/vd0uzy-jp.myshopify.com\/products\/4-20ma-dc-signal-generator-plc-calibration-pwm-pulse-simulator\"}]}\u003c\/script\u003e","brand":"Peaceful Pleasures Health and Wellness","offers":[{"title":"Default Title","offer_id":53636609278265,"sku":"1005011620420099-Default Title","price":80.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/3689\/5801\/files\/S0d45474e13e84f95bea6e01564c82597H.webp?v=1782513078","url":"https:\/\/peacefulpleasureswellness.com\/products\/4-20ma-dc-signal-generator-plc-calibration-pwm-pulse-simulator","provider":"Peaceful Pleasures Health and Wellness","version":"1.0","type":"link"}