--- title: Smokerlyzer | Help Centre description: Click for help and articles about the Smokerlyzer product --- [Skip to content](https://support.bedfont.com/en/knowledge/smokerlyzer#main-content) English Show submenu for translations [Customer portal](https://support.bedfont.com/ticket-portal) ![Bedfont logo-high resolution png-2](https://support.bedfont.com/hs-fs/hubfs/Bedfont%20logo-high%20resolution%20png-2.webp?width=120&height=122&name=Bedfont%20logo-high%20resolution%20png-2.webp) - [Raise a Support Ticket](https://ticket.bedfont.com/) Open main navigation Close main navigation - [Raise a Support Ticket](https://ticket.bedfont.com/) - English Show submenu for translations - [Customer portal](https://support.bedfont.com/ticket-portal) - Go to www.bedfont.com Go to www.bedfont.com Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [Help Centre](https://support.bedfont.com/en/knowledge) 2. [Smokerlyzer](https://support.bedfont.com/en/knowledge/smokerlyzer) # Smokerlyzer Click for help and articles about the Smokerlyzer product ## FAQ - [What is the relationship between %COHb and %FCOHb?](https://support.bedfont.com/en/knowledge/what-is-the-relationship-between-cohb-and-fcohb) - [How long after a cigarette should a reading be performed?](https://support.bedfont.com/en/knowledge/how-long-after-a-cigarette-should-a-reading-be-performed) - [Does it work with E-Cigarettes?](https://support.bedfont.com/en/knowledge/does-it-work-with-e-cigarettes) - [Is the iCOquit Bluetooth enabled?](https://support.bedfont.com/en/knowledge/is-the-icoquit-bluetooth-enabled) - [How do I clean my iCOquit?](https://support.bedfont.com/en/knowledge/how-do-i-clean-my-icoquit) - [Why do I have to hold my breath before exhaling into the iCOquit?](https://support.bedfont.com/en/knowledge/why-do-i-have-to-hold-my-breath-before-exhaling-into-the-icoquit) - [My iCOquit is not connecting?](https://support.bedfont.com/en/knowledge/my-icoquit-is-not-connecting) - [What device does the iCOquit work on?](https://support.bedfont.com/en/knowledge/what-device-does-the-icoquit-work-on) - [What if I can’t hold my breath for the recommended 15 second breath hold time?](https://support.bedfont.com/en/knowledge/what-if-i-cant-hold-my-breath-for-the-recommended-15-second-breath-hold-time) - [Why does the Mums to Be app have different smoking thresholds?](https://support.bedfont.com/en/knowledge/why-does-the-mums-to-be-app-have-different-smoking-thresholds) - [How long does CO last in the body?](https://support.bedfont.com/en/knowledge/how-long-does-co-last-in-the-body) - [What is %FCOHb?](https://support.bedfont.com/en/knowledge/what-is-fcohb) - [What is CO?](https://support.bedfont.com/en/knowledge/what-is-co) - [What is %COHb?](https://support.bedfont.com/en/knowledge/what-is-cohb) - [How does the iCOquit work?](https://support.bedfont.com/en/knowledge/how-does-the-icoquit-work) - [What factors cause a high CO reading?](https://support.bedfont.com/en/knowledge/what-factors-cause-a-high-co-reading) See less ▼ ## On screen symbols - [Hour Glass Symbol On piCObaby, piCO and Micro+](https://support.bedfont.com/en/knowledge/hour-glass-symbol-on-picobaby-pico-and-micro) - [Battery Leak in piCOBaby, piCO and Micro+](https://support.bedfont.com/en/knowledge/battery-leak-in-picobaby-pico-and-micro) - [Blue Thermometer On piCObaby, piCO and Micro+](https://support.bedfont.com/en/knowledge/blue-thermometer-on-picobaby-pico-and-micro) - [Red Thermometer On piCObaby, piCO and Micro+](https://support.bedfont.com/en/knowledge/red-thermometer-on-picobaby-pico-and-micro) - [Why is my piCObaby, piCO or Micro+ showing a circle with 'SEN01'?](https://support.bedfont.com/en/knowledge/sensor-change-warning) - [Why is my piCObaby, piCO or Micro+ showing a circle with 'SEN01' and a red date?](https://support.bedfont.com/en/knowledge/sensor-change-overdue-on-picobaby-pico-and-micro) - [Why is my piCObaby, piCO or Micro+ showing as low in battery?](https://support.bedfont.com/en/knowledge/low-battery-on-picobaby-pico-and) - [Why does my Micro+, piCObaby or piCO have a red cross?](https://support.bedfont.com/en/knowledge/calibration-failed-on-picobaby-pico-and-micro) - [Why is my device showing a bin symbol?](https://support.bedfont.com/en/knowledge/d-piece-reminder-on-smokerlyzer-devices) - [Why does my device show a symbol with a gas cylinder connected to the device?](https://support.bedfont.com/en/knowledge/calibration-reminder-on-picobaby-pico-and-micro) - [The firmware is corrupted on my piCObaby, piCO or Micro+, what do I do?](https://support.bedfont.com/en/knowledge/corrupt-firmware-on-picobaby-pico-and-micro) See less ▼ ## Device function issues - [Touch Screen Is Unresponsive On piCObaby, piCO and Micro+](https://support.bedfont.com/en/knowledge/touch-screen-is-unresponsive-on-picobaby-pico-and-micro) - [piCObaby, piCO Or Micro+ Not Powering On](https://support.bedfont.com/en/knowledge/picobaby-pico-or-micro-not-powering-on) - [Why is my Micro+ showing a wrong ambient reading?](https://support.bedfont.com/en/knowledge/incorrect-ambient-readings-on-micro) - [Why is my piCObaby, piCO or Micro+ showing incorrect readings?](https://support.bedfont.com/en/knowledge/incorrect-readings-on-picobaby-pico-and-micro) - [Firmware Update For piCObaby, piCO and Micro+](https://support.bedfont.com/en/knowledge/firmware-update-for-picobaby-pico-and-micro) ## Maintenance - [Smokerlyzer Maintenance Guidelines](https://support.bedfont.com/en/knowledge/smokerlyzer-maintenance-guidelines) ## Infection control - [Smokerlyzer Infection Control Guidelines](https://support.bedfont.com/en/knowledge/smokerlyzer-infection-control-and-maintenance-guidelines) ## Safe Breath Testing During COVID-19 - [Reintroducing your Smokerlyzer® to stop smoking services](https://support.bedfont.com/en/knowledge/reintroducing-your-smokerlyzer-to-stop-smoking-services) - [Reintroducing your iCOquit® to stop smoking services](https://support.bedfont.com/en/knowledge/reintroducing-your-icoquit-to-stop-smoking-services) ## Firmware - [iCOquit® - Latest Firmware Version](https://support.bedfont.com/en/knowledge/icoquit-latest-firmware-version) - [piCO™ - Latest Firmware Version](https://support.bedfont.com/en/knowledge/pico-latest-firmware-update) - [Micro+™ - Latest Firmware Version](https://support.bedfont.com/en/knowledge/micro-latest-firmware-version) - [piCObaby™ - Latest Firmware Version](https://support.bedfont.com/en/knowledge/picobaby-latest-firmware-version) - [NObreath](https://support.bedfont.com/en/knowledge/nobreath#main-content) - [FAQ](https://support.bedfont.com/en/knowledge/nobreath#faq) - [On screen symbols](https://support.bedfont.com/en/knowledge/nobreath#on-screen-symbols) - [Device function issues](https://support.bedfont.com/en/knowledge/nobreath#device-function-issues) - [Infection control](https://support.bedfont.com/en/knowledge/nobreath#infection-control) - [Safe Breath Testing During COVID-19](https://support.bedfont.com/en/knowledge/nobreath#safe-breath-testing-during-covid-19) - [Firmware](https://support.bedfont.com/en/knowledge/nobreath#firmware) - [Smokerlyzer](https://support.bedfont.com/en/knowledge/smokerlyzer#main-content) - [FAQ](https://support.bedfont.com/en/knowledge/smokerlyzer#faq) - [On screen symbols](https://support.bedfont.com/en/knowledge/smokerlyzer#on-screen-symbols) - [Device function issues](https://support.bedfont.com/en/knowledge/smokerlyzer#device-function-issues) - [Maintenance](https://support.bedfont.com/en/knowledge/smokerlyzer#maintenance) - [Infection control](https://support.bedfont.com/en/knowledge/smokerlyzer#infection-control) - [Safe Breath Testing During COVID-19](https://support.bedfont.com/en/knowledge/smokerlyzer#safe-breath-testing-during-covid-19) - [Firmware](https://support.bedfont.com/en/knowledge/smokerlyzer#firmware) - [Gastrolyzer](https://support.bedfont.com/en/knowledge/gastrolyzer#main-content) - [FAQ](https://support.bedfont.com/en/knowledge/gastrolyzer#faq) - [On screen symbols](https://support.bedfont.com/en/knowledge/gastrolyzer#on-screen-symbols) - [Device function issues](https://support.bedfont.com/en/knowledge/gastrolyzer#device-function-issues) - [Maintenance](https://support.bedfont.com/en/knowledge/gastrolyzer#maintenance) - [Infection control](https://support.bedfont.com/en/knowledge/gastrolyzer#infection-control) - [Firmware](https://support.bedfont.com/en/knowledge/gastrolyzer#firmware) - [Medi-Gas Check](https://support.bedfont.com/en/knowledge/medi-gas-check#main-content) - [FAQ](https://support.bedfont.com/en/knowledge/medi-gas-check#faq) - [ToxCO](https://support.bedfont.com/en/knowledge/toxco#main-content) - [On screen symbols](https://support.bedfont.com/en/knowledge/toxco#on-screen-symbols) - [Device function issues](https://support.bedfont.com/en/knowledge/toxco#device-function-issues) - [Maintenance](https://support.bedfont.com/en/knowledge/toxco#maintenance) - [Infection control](https://support.bedfont.com/en/knowledge/toxco#infection-control) - [FAQ](https://support.bedfont.com/en/knowledge/faq) [![Bedfont logo-high resolution png-2-1](https://support.bedfont.com/hs-fs/hubfs/Bedfont%20logo-high%20resolution%20png-2-1.webp?width=120&height=122&name=Bedfont%20logo-high%20resolution%20png-2-1.webp "Bedfont logo-high resolution png-2-1")](http://www.bedfont.com) Bedfont Scientific Ltd - 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