{"title":"Portable Chlorine Gas Detectors","description":"\u003cp\u003eChlorine gas detectors measure Cl2 concentration in air. Check the individual instrument's stated sample requirements. Compare dedicated chlorine instruments by concentration range, reading increment and sampling arrangement. Internal pumps, diffusion sampling and optional external-pump packages depend on the exact model.\u003c\/p\u003e\u003cp\u003eSelect the Cl2 configuration and range shown on the product page before ordering. Review sensor maintenance, calibration and sample-line requirements for the intended measurement. For a configurable instrument family, browse our \u003ca href=\"\/collections\/portable-single-gas-detectors\"\u003esingle-gas detector options\u003c\/a\u003e. To compare other gases or multi-gas instruments, return to \u003ca href=\"\/collections\/gas-detector\"\u003eall gas detectors and monitors\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"portable-chlorine-gas-detector-mh-1200h-s-cl2","title":"MH-1200H-S-CL2 Chlorine Gas Detector — Four ppm Options","description":"\u003cp\u003eThe MH-1200H-S-CL2 measures chlorine gas using diffusion sampling. Four current order variants provide 0-10, 0-20, 0-50 and 0-100 ppm spans. Match the Cl2 gas measurement requirement and selected range; this is a different task from measuring chlorine in water.\u003c\/p\u003e\n\u003ch2\u003eChoose the Configuration for Your Measurement\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas:\u003c\/strong\u003e Chlorine gas (Cl2), not dissolved-chlorine water measurement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange menu:\u003c\/strong\u003e Four separate ppm variants; the selected SKU identifies the supplied span.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSampling:\u003c\/strong\u003e Diffusion is the stated method. Confirm an external-pump package separately if the procedure requires it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrder Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ccaption\u003eCurrent options for this product\u003c\/caption\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSelect an option\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSKU\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/portable-chlorine-gas-detector-mh-1200h-s-cl2?variant=67594439393323\"\u003e0-10 ppm\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eGAS-Q9C4-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/portable-chlorine-gas-detector-mh-1200h-s-cl2?variant=67594439426091\"\u003e0-20 ppm\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eGAS-Q9C4-02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/portable-chlorine-gas-detector-mh-1200h-s-cl2?variant=67594439458859\"\u003e0-50 ppm\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eGAS-Q9C4-03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"\/products\/portable-chlorine-gas-detector-mh-1200h-s-cl2?variant=67594439491627\"\u003e0-100 ppm\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eGAS-Q9C4-04\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eOpen an option to review its current price and purchase controls. Each option is a separate order configuration; use the selected product and SKU when confirming the supplied package.\u003c\/p\u003e\n\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\n\u003cp\u003eThe MH-1200H-S-CL2 is a portable chlorine (Cl2) gas detector for site checks that call for a concentration reading at the instrument. Its electrochemical sensor measures surrounding air by diffusion, and the rear clip and protective cover support carrying the detector during inspection rounds. Choose the required CL2 range when ordering; each range is a separate instrument configuration.\u003c\/p\u003e\u003ch3\u003eChoose a Chlorine Range\u003c\/h3\u003e\u003cp\u003eThe four available measurement spans are 0-10, 0-20, 0-50, and 0-100 ppm. Select the range that matches your monitoring procedure and expected concentration span. The standard instrument uses diffusion sampling. An external sampling pump is an optional setup for tasks that require a different sampling arrangement; confirm that configuration before ordering.\u003c\/p\u003e\u003ch3\u003eDisplay and Alarm Review\u003c\/h3\u003e\u003cp\u003eThe monochrome dot-matrix LCD displays the concentration and supports ppm and mg\/m³ units. Backlight timing can be adjusted, and the light can activate automatically during an alarm. Audible, visual, and vibration alerts provide three ways to notice an alarm; the audible alarm is rated at 85 dB. Alarm thresholds are configurable, and the instrument can retain 100 alarm records for review on its display. Zero and self-calibration functions are available.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eMH-1200H-S-CL2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasured gas\u003c\/th\u003e\n\u003ctd\u003eChlorine (Cl2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor principle\u003c\/th\u003e\n\u003ctd\u003eElectrochemical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSampling method\u003c\/th\u003e\n\u003ctd\u003eDiffusion; external pump setup optional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRange configurations\u003c\/th\u003e\n\u003ctd\u003e0-10 ppm; 0-20 ppm; 0-50 ppm; 0-100 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e128 x 64 monochrome dot-matrix LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConcentration units\u003c\/th\u003e\n\u003ctd\u003eppm and mg\/m³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAlarm modes\u003c\/th\u003e\n\u003ctd\u003eSound, light, and vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAudible alarm\u003c\/th\u003e\n\u003ctd\u003e85 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAlarm history\u003c\/th\u003e\n\u003ctd\u003e100 records, viewable on the instrument\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBacklight\u003c\/th\u003e\n\u003ctd\u003eAdjustable timing; automatic activation during an alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003ctd\u003e2300 mAh rechargeable lithium-polymer battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating temperature\u003c\/th\u003e\n\u003ctd\u003e-20 to 50 Degree C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIngress protection\u003c\/th\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e131 x 83 x 35 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproximate unit weight\u003c\/th\u003e\n\u003ctd\u003e240 g with protective cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eUse and Configuration Notes\u003c\/h3\u003e\u003cp\u003eFor diffusion sampling, surrounding air must reach the sensor openings. Follow the supplied instructions and your site's procedures for calibration, alarm settings, and gas-monitoring checks. The product photographs show the shared housing used across this model family; gas names on the demonstration screen may differ from the ordered CL2 configuration.\u003c\/p\u003e\n\u003ch2\u003eCompare the Relevant Alternative\u003c\/h2\u003e\n\u003cp\u003eThe pump single-gas family includes a Chlorine (Cl2) sensor option and explicitly describes an internal micro pump. This dedicated MH-1200H-S page offers four Cl2 range choices. Do not transfer those four ranges to the pump family's single Cl2 option.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/products\/portable-pump-single-gas-detector\"\u003eView the comparison model and its options\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eQuestions Before Ordering\u003c\/h2\u003e\n\u003ch3\u003eIs this a chlorine meter for pool or process water?\u003c\/h3\u003e\n\u003cp\u003eNo water-measurement capability is established here. The product is identified as a Cl2 gas detector.\u003c\/p\u003e\n\u003ch3\u003eDoes the pump single-gas alternative provide these same four ranges?\u003c\/h3\u003e\n\u003cp\u003eThe separate pump product has its own Cl2 option and specification table. Compare its actual range instead of inheriting this page's range menu.\u003c\/p\u003e\n\u003ch2\u003eSelection and Use Guides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/gas-detector\/pumped-vs-diffusion-gas-detector\"\u003ePumped vs diffusion gas detectors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/gas-detector\/gas-detector-cross-sensitivity\"\u003eGas sensor cross-sensitivity\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/gas-detector\"\u003eBrowse gas detectors by gas and measurement task\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSelection note:\u003c\/strong\u003e Follow the supplied instrument instructions and the applicable site procedure. This product comparison does not replace a site-specific risk assessment.\u003c\/p\u003e\n","brand":"Mcooh","offers":[{"title":"0-10 ppm","offer_id":67594439393323,"sku":"GAS-Q9C4-01","price":587.47,"currency_code":"USD","in_stock":true},{"title":"0-20 ppm","offer_id":67594439426091,"sku":"GAS-Q9C4-02","price":587.47,"currency_code":"USD","in_stock":true},{"title":"0-50 ppm","offer_id":67594439458859,"sku":"GAS-Q9C4-03","price":597.94,"currency_code":"USD","in_stock":true},{"title":"0-100 ppm","offer_id":67594439491627,"sku":"GAS-Q9C4-04","price":597.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/2133\/5851\/files\/portable-chlorine-gas-detector-front.jpg?v=1790746848"},{"product_id":"pump-chlorine-detector-mh2000-cl2","title":"Chlorine Gas Detector with Pump - Standard \u0026 High Precision","description":"\u003cp\u003eSelect the chlorine sensor configuration and measuring range for the sampling task. The MH2000-CL2 uses an internal pump and an electrochemical sensor to measure Cl2 concentration. Standard versions offer five separate ranges from 0-10 to 0-200 ppm; High Precision versions are available in 0-10, 0-50 and 0-100 ppm. Each order option is one portable, single-gas chlorine detector with its selected configuration and span.\u003c\/p\u003e\n\u003ch3\u003eStandard and High Precision Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSensor configuration\u003c\/th\u003e\n\u003cth\u003eAvailable measuring ranges\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003e0-10 \/ 20 \/ 50 \/ 100 \/ 200 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Precision\u003c\/td\u003e\n\u003ctd\u003e0-10 \/ 50 \/ 100 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eA Standard 0-10 ppm option and a High Precision 0-10 ppm option are different sensor configurations despite sharing the same measuring span. Choose the configuration and range together; the instrument supplied does not automatically cover every option on this page. The range describes the concentration interval of the selected version, rather than an interchangeable setting.\u003c\/p\u003e\n\u003ch3\u003eInternal Pump, Display and Alerts\u003c\/h3\u003e\n\u003cp\u003eSampling flow reaches up to 1 L\/min, with ten pump adjustment settings. An LCD dot-matrix display shows the gas type, concentration, unit, battery level and time. English and Chinese operating interfaces are available, with ppm and mg\/m³ concentration displays.\u003c\/p\u003e\n\u003cp\u003eTwo alarm stages have adjustable setpoints, using sound, light and vibration outputs. The sound alarm is 85 dB; blue and red lights indicate low and high alarms. Temperature and pressure compensation, self-check, zero calibration and factory-reset controls support instrument setup. Operate the selected chlorine version according to its supplied instructions and the sampling procedure.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMH2000-CL2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDetected gas\u003c\/td\u003e\n\u003ctd\u003eChlorine (Cl2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor principle\u003c\/td\u003e\n\u003ctd\u003eElectrochemical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor configurations\u003c\/td\u003e\n\u003ctd\u003eStandard or High Precision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard range options\u003c\/td\u003e\n\u003ctd\u003e0-10, 0-20, 0-50, 0-100 and 0-200 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Precision range options\u003c\/td\u003e\n\u003ctd\u003e0-10, 0-50 and 0-100 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling method\u003c\/td\u003e\n\u003ctd\u003eInternal sampling pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump flow\u003c\/td\u003e\n\u003ctd\u003eUp to 1 L\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump adjustment\u003c\/td\u003e\n\u003ctd\u003e10 settings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eLCD dot matrix; gas type, concentration, unit, battery level and time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating languages\u003c\/td\u003e\n\u003ctd\u003eEnglish and Chinese\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConcentration units\u003c\/td\u003e\n\u003ctd\u003eppm \/ mg\/m³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm outputs\u003c\/td\u003e\n\u003ctd\u003eSound, light and vibration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm stages\u003c\/td\u003e\n\u003ctd\u003eTwo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm setpoints\u003c\/td\u003e\n\u003ctd\u003eUser adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound alarm\u003c\/td\u003e\n\u003ctd\u003e85 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm lights\u003c\/td\u003e\n\u003ctd\u003eBlue for low alarm; red for high alarm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement compensation\u003c\/td\u003e\n\u003ctd\u003eTemperature and pressure compensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstrument controls\u003c\/td\u003e\n\u003ctd\u003eSelf-check, zero calibration and factory reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e3.6 V, 2300 mAh rechargeable lithium polymer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging time\u003c\/td\u003e\n\u003ctd\u003e4-6 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating humidity\u003c\/td\u003e\n\u003ctd\u003e0-95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection rating\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e205 x 75 x 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstrument weight\u003c\/td\u003e\n\u003ctd\u003e300 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData recording \/ PC export\u003c\/td\u003e\n\u003ctd\u003eOptional; excluded from this base configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRecording and Sampling Package\u003c\/h3\u003e\n\u003cp\u003eData logging and PC export are optional and are not included in this base configuration. Where stored readings are needed, ask about the recording configuration before ordering. Filters, drying accessories and high-temperature probes are separate sampling choices; their inclusion depends on the selected package.\u003c\/p\u003e\n\u003cp\u003eThe target gas is chlorine, Cl2. Select an instrument configured for the gas named in the measurement requirement; this page does not establish chlorine-dioxide or multi-gas measurement. Gallery images show the shared pump-detector housing. A connected cable does not indicate included PC export, and the carrying-case image does not represent a two-detector package.\u003c\/p\u003e","brand":"Mcooh","offers":[{"title":"Standard \/ 0-10 ppm","offer_id":67815906705451,"sku":"GAS-C7L4-01","price":674.3,"currency_code":"USD","in_stock":true},{"title":"Standard \/ 0-20 ppm","offer_id":67815906738219,"sku":"GAS-C7L4-02","price":674.3,"currency_code":"USD","in_stock":true},{"title":"Standard \/ 0-50 ppm","offer_id":67815906770987,"sku":"GAS-C7L4-03","price":698.84,"currency_code":"USD","in_stock":true},{"title":"Standard \/ 0-100 ppm","offer_id":67815906803755,"sku":"GAS-C7L4-04","price":698.84,"currency_code":"USD","in_stock":true},{"title":"Standard \/ 0-200 ppm","offer_id":67815906836523,"sku":"GAS-C7L4-05","price":867.98,"currency_code":"USD","in_stock":true},{"title":"High Precision \/ 0-10 ppm","offer_id":67815906869291,"sku":"GAS-C7L4-06","price":1322.13,"currency_code":"USD","in_stock":true},{"title":"High Precision \/ 0-50 ppm","offer_id":67815906902059,"sku":"GAS-C7L4-07","price":1322.13,"currency_code":"USD","in_stock":true},{"title":"High Precision \/ 0-100 ppm","offer_id":67815906934827,"sku":"GAS-C7L4-08","price":1322.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/2133\/5851\/files\/chlorine-detector-pump-angle.jpg?v=1791791423"}],"url":"https:\/\/mcooh.com\/collections\/portable-chlorine-gas-detectors.oembed","provider":"Mcooh","version":"1.0","type":"link"}