{"product_id":"ckctinner-pid-temperature-controller-dual-output-ssr-relay-lcd","title":"CKCTINNER PID Temperature Controller – Dual Output SSR \u0026 Relay LCD","description":"\n\u003ch2\u003eCKCTINNER REX-CH Series LCD PID Temperature Controller with Dual Output SSR \u0026amp; Relay\u003c\/h2\u003e\n\u003cp\u003eTake precise command of your industrial or DIY temperature processes with the CKCTINNER REX-CH Series Intelligent PID Temperature Controller. Available in four panel sizes (CH102, CH402, CH702, CH902), this CE-certified unit combines a dual output — electromagnetic relay and SSR — with a bright 4-digit LCD display and a versatile 2-alarm system for complete, hands-off process control.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the REX-CH Series?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Output:\u003c\/strong\u003e Electromagnetic relay + SSR output gives you flexible control options for heating or cooling applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent PID or ON\/OFF Control:\u003c\/strong\u003e Auto-tune PID algorithm ensures accurate, stable temperature regulation; switch to simple ON\/OFF mode when needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Compatibility:\u003c\/strong\u003e Supports thermocouples (K, J, R, S, B, E, N, T, W5Re\/W26Re, PLII), RTD (Pt100, JPt100), voltage (0–5V, 1–5V), and current (0–20mA, 4–20mA) — works with virtually any industrial sensor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 Independent Alarms:\u003c\/strong\u003e Choose from 12 alarm modes including deviation high\/low, band, process high\/low, and hold-action variants for comprehensive process protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Accuracy:\u003c\/strong\u003e ±0.5% FS ±1°C measurement accuracy for consistent, reliable results.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Power Supply:\u003c\/strong\u003e Operates on 100–240VAC — plug in anywhere worldwide.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear LCD Display:\u003c\/strong\u003e 8-segment, 4-digit readout with LED indication for at-a-glance monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntuitive Touch-Switch Setting:\u003c\/strong\u003e Easy parameter entry without tools or complicated menus.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Panel Sizes:\u003c\/strong\u003e Choose the model that fits your panel cutout perfectly.\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModel Numbers \u0026amp; Dimensions\u003c\/h3\u003e\n\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"4\" style=\"border-collapse:collapse;width:100%\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eModel Number\u003c\/th\u003e\n      \u003cth\u003eExternal Dimensions\u003c\/th\u003e\n      \u003cth\u003ePanel Cutout\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eREX-CH102\u003c\/td\u003e\n\u003ctd\u003e48 × 48 × 75 mm\u003c\/td\u003e\n\u003ctd\u003e45 ±0.5 × 45 ±0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eREX-CH402\u003c\/td\u003e\n\u003ctd\u003e48 × 96 × 75 mm\u003c\/td\u003e\n\u003ctd\u003e45 ±0.5 × 92 ±0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eREX-CH702\u003c\/td\u003e\n\u003ctd\u003e72 × 72 × 75 mm\u003c\/td\u003e\n\u003ctd\u003e68 ±0.5 × 68 ±0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eREX-CH902\u003c\/td\u003e\n\u003ctd\u003e96 × 96 × 75 mm\u003c\/td\u003e\n\u003ctd\u003e92 ±0.5 × 92 ±0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFull Technical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"4\" style=\"border-collapse:collapse;width:100%\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.5% FS ±1°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100–240VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC100–240V: \u0026lt;10VA | AC24V: \u0026lt;5VA | DC24V: \u0026lt;160mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermocouple: K, J, R, S, B, E, N, T, W5Re\/W26Re, PLII; RTD: Pt100, JPt100; Voltage: 0–5V, 1–5V; Current: 0–20mA, 4–20mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectromagnetic Relay + SSR\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePID or ON\/OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTouch Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8-segment 4-digit LCD + LED indication\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarms\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 independent alarms; 12 alarm modes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Measuring Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120°C and above\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–50°C (32–122°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30–85% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIndustrial furnaces, ovens, and kilns\u003c\/li\u003e\n  \u003cli\u003ePlastic injection molding and extrusion\u003c\/li\u003e\n  \u003cli\u003eIncubators and laboratory equipment\u003c\/li\u003e\n  \u003cli\u003eHVAC systems and building automation\u003c\/li\u003e\n  \u003cli\u003eBrewing, fermentation, and food processing\u003c\/li\u003e\n  \u003cli\u003eGreenhouse and agriculture environment control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLooking for other precision instruments and tools? Check out the \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 and the \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e for more industrial and workshop solutions.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sensor types are compatible with the CKCTINNER REX-CH series PID temperature controller?\u003c\/h4\u003e\n\u003cp\u003eA: The REX-CH series supports a wide range of input types including thermocouples (K, J, R, S, B, E, N, T, W5Re\/W26Re, PLII), RTD sensors (Pt100, JPt100), voltage inputs (0–5V, 1–5V), and current inputs (0–20mA, 4–20mA), making it highly versatile for industrial and laboratory applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between the CH102, CH402, CH702, and CH902 models?\u003c\/h4\u003e\n\u003cp\u003eA: The models differ in their external and panel cutout dimensions. CH102 is 48×48mm, CH402 is 48×96mm, CH702 is 72×72mm, and CH902 is 96×96mm. All share the same core features — dual output (SSR + relay), 2 alarms, PID\/ON-OFF control, and 100–240VAC supply — so you can choose the size that best fits your control panel.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this PID temperature controller support auto-tune PID?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The REX-CH series features intelligent PID control that automatically calculates and adjusts proportional, integral, and derivative parameters for stable and accurate temperature regulation. It can also be switched to simple ON\/OFF control mode as needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply does the REX-CH temperature controller require?\u003c\/h4\u003e\n\u003cp\u003eA: It operates on a universal 100–240VAC power supply, making it compatible with standard electrical outlets worldwide. Power consumption is under 10VA for the AC100–240V version.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sensor types are compatible with the CKCTINNER REX-CH series PID temperature controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The REX-CH series supports a wide range of input types including thermocouples (K, J, R, S, B, E, N, T, W5Re\/W26Re, PLII), RTD sensors (Pt100, JPt100), voltage inputs (0–5V, 1–5V), and current inputs (0–20mA, 4–20mA), making it highly versatile for industrial and laboratory applications.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the CH102, CH402, CH702, and CH902 models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The models differ in their external and panel cutout dimensions. 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Power consumption is under 10VA for the AC100–240V version.\"}}]}\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:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"CKCTINNER PID Temperature Controller – Dual Output SSR \u0026 Relay LCD\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/ckctinner-pid-temperature-controller-dual-output-ssr-relay-lcd\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"CH702 MV AB","offer_id":44167806713943,"sku":"14:350853#CH702 MV AB","price":62.68,"currency_code":"USD","in_stock":true},{"title":"CH902 MV AB","offer_id":44167806746711,"sku":"14:10#CH902 MV AB","price":64.63,"currency_code":"USD","in_stock":true},{"title":"CH102 MV AB","offer_id":44167806779479,"sku":"14:350850#CH102 MV AB","price":57.66,"currency_code":"USD","in_stock":true},{"title":"CH402 MV AB","offer_id":44167806812247,"sku":"14:350852#CH402 MV AB","price":60.8,"currency_code":"USD","in_stock":true},{"title":"CH502 MV AB","offer_id":44167806845015,"sku":"14:29#CH502 MV AB","price":64.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sa3f9e105cc2f41eda3a2e35d554ceecf4.webp?v=1786763960","url":"https:\/\/axlcustomersupport.com\/products\/ckctinner-pid-temperature-controller-dual-output-ssr-relay-lcd","provider":"Axl","version":"1.0","type":"link"}