{"product_id":"cl-x41-multi-functional-water-quality-tester-pen-4-in-1-water-analyzer-for-ph-free-chlorine-cl-orp-and-temperature","title":"CL‑X41 Multi‑Functional Water Quality Tester Pen 4‑in‑1 Water Analyzer for pH Free Chlorine CL ORP and Temperature","description":"\u003cp\u003e\u003cstrong\u003eCL‑X41 4‑in‑1 Multi‑Functional Water Quality Tester Pen\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis CL‑X41 4‑in‑1 water analyzer can measure pH, Free Chlorine(CL), ORP and Temperature simultaneously. Equipped with green backlit LCD display, it shows multi‑group test data clearly even in dim‑light environments.\u003c\/p\u003e\n\u003cp\u003eBuilt‑in automatic temperature compensation function effectively offsets temperature influences and delivers stable and reliable measurement results. It supports data hold function to lock readings for easy recording, and manual calibration for higher test accuracy.\u003c\/p\u003e\n\u003cp\u003ePowered by 4 pieces LR44 1.5V batteries, no charging required, convenient for outdoor and on‑site water testing. Compact pen‑shaped structure is lightweight and easy to carry, perfect for field inspection.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePH\u003c\/strong\u003e: Range: 0‑14.00pH; Resolution:0.01pH; Accuracy: ±0.05pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eORP\u003c\/strong\u003e: Range: ±990mV; Resolution:1mV; Accuracy: ±2mV\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCL (Free Chlorine)\u003c\/strong\u003e: Range:0‑4ppm; Accuracy: ±0.1ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature\u003c\/strong\u003e: Range:0‑60℃ \/32‑140℉; Resolution:0.1℃\/0.1℉; Accuracy: ±0.5℃\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: Green backlight LCD screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply\u003c\/strong\u003e: 4 × 1.5V LR44 batteries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight\u003c\/strong\u003e: 109g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimension\u003c\/strong\u003e: 42\u003cem\u003e42\u003c\/em\u003e189mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWidely used for swimming pool, spa, hot spring, aquarium, drinking water and hydroponic water quality inspection.\u003c\/p\u003e\n\u003ch2\u003eBullet Points\u003c\/h2\u003e\n\u003cp\u003e✅ 4‑in‑1 multi‑parameter tester: tests pH, Free Chlorine(CL), ORP and Temperature ✅ Green backlit LCD screen, clear reading under dark surroundings ✅ Automatic Temperature Compensation reduces measuring deviation ✅ Data hold \u0026amp; manual calibration function for precise detection ✅ Battery‑powered design, great for onsite \u0026amp; outdoor water test ✅ Lightweight portable pen‑style, easy to operate and store ✅ Ideal for pool, spa, aquarium, drinking water, hydroponics\u003c\/p\u003e","brand":"Yieryi","offers":[{"title":"Default Title","offer_id":50696756134081,"sku":"2610X41","price":77.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0509\/6374\/2913\/files\/6da724657f2a3cae6a539b58fbb9fc28.jpg?v=1791338555","url":"https:\/\/shop.yieryimeters.com\/products\/cl-x41-multi-functional-water-quality-tester-pen-4-in-1-water-analyzer-for-ph-free-chlorine-cl-orp-and-temperature","provider":"Yieryi","version":"1.0","type":"link"}