UNI-T UT337A Carbon Monoxide Meter

From the shop's description

UNI-T UT337A Carbon Monoxide Meter UNI-T UT337A Carbon Monoxide Meter is presents itself as a handheld instrument designed for carbon monoxide detection, compact enough to be carried yet robust enough to withstand everyday use. Its body is molded in a bright red and grey housing, with a clear front face that displays readings and indicators in an organized layout. The overall feel is of something you could hold steadily, point toward an area, and instantly get a grasp of what’s happening in the air around you, not waiting minutes but reacting rapidly. The display is large enough to see numbers easily yet small enough to remain unobtrusive in design. At power-on the meter performs a self-check, giving a sense of reliability: the display illuminates, symbols appear, and the user knows the device is ready. Throughout its use, the LCD remains legible, with a backlight that ensures visibility even in dim settings. The buttons are placed to allow intuitive operation: switching modes, viewing max readings, silencing alarms all without fumbling. The sensor area, located at the top, is recessed and protected, suggesting a design mindful of durability. In use, the UT337A feels like a tool made for urgency: when carbon monoxide levels rise, audible and visual cues alert immediately. The user can glance to see current and maximum values without effort. It transitions between fast response and stable reading; you get a sense that the instrument has been engineered to balance speed with accuracy over time. The feel of the unit is reassuring: solid, controlled, and dependable when safety is at stake. Features Self-calibrated sensor. Data hold. LCD backlight. Auto power off. Display current CO concentration and Max concentration at the same time. Calibration function, adjustable zero point for temperature compensation. High/low audio and visual alarm. ℃/℉ selectable. Specifications Parameter Details CO Measure Range: 0~1000ppm Accuracy: ±5% or 5ppm Resolution: 1ppm Response Time: <60s (90% of reading) Sensor Type: Electrochemical Gas Sensor (CO) Sampling Method: Diffusion Features Max Hold: √ Alert Value Setup: √ Audible Alert: √ Virtual Alert: √ Temperature Display: √ Sensor Self-Test: √ User Calibration: √ Display Backlight: √ Low Battery Indication: √ Auto Power Off: √ General Characteristics Power: 4 x Battery AAA 1.5V LCD Size: 26.5mm x 35.5mm Product Color: Red and Grey Product Net Weight: 140g Product Size: 197mm x 54.8mm x 33.8mm Applications Residential/home CO detection. Dining / Restaurant safety . Indoor car parks . Heating / boiler / furnace rooms . Office & commercial buildings. Package Contents 1 x UT337A Carbon Monoxide Meter 4 x Batteries AAA 1.5 V 1 x User Manual Documents User Manual