The INTERSCAN 4160 series digital portable small analyzer is used to detect the concentration of formaldehyde in the air. The instrument features digital display, high reliability electrochemical sensor, and portable design.
The Interscan 4160 is a portable digital formaldehyde analyzer that uses an electrochemical sensor to directly read formaldehyde concentrations in air. It is battery‑powered and designed for indoor air quality monitoring.
The manual covers the operation procedure (switch settings, zero calibration, sampling), instrument specifications, sensor principle, panel layout, regular maintenance with deionized water, and health hazards of formaldehyde exposure. This manual is written in Chinese.
| Sensor type | Electrochemical sensor |
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Rotate the function switch to the A position; a reading greater than 1.00 indicates the rechargeable battery has power, otherwise charge for 6‑12 hours.
Connect the sampling tube, wait for the reading to stabilize, then turn the ZERD (zero) knob until the display reads 0.