Signal / Meter

【4-in-1】 Monitor PM2.5, CO2, temperature & humidity via RS-485 at the same time.
【High Brightness LED】Easily recognize measuring types and values.

Tackle Invisible Killer PM2.5 To Reduce risk of cancers!
Let’s Create Healthy interior Environment!
Real-Time, React Quickly, High Brightness LED
===============================
Features :
★ PM2.5 >> 0 ... 500 μg/m3
★ CO2 >> 0 ... 2000 PPM
★ Temp. >> 0 ... +50 °C
★ Humidity >> 0 ... 100 %RH
★ CO2 Indication >>☹☺(Emoticon)
★ Indication >> PMV Indication
★ Output >> RS-485
★ Monitor in Time >> LED Local Display
===============================

Easy Handle CO2 Quality To Upgrade,
Work Efficiency in Jaunty breath
Real-Time, React Quickly, High Brightness LED
====================================
Features :
★ CO2 >> 0 ... 2000 PPM
★ Temperature >> 0 ... +50 °C
★ Humidity >> 0 ... 100 %RH
★ CO2 Indication >>☹☺(Emoticon)
★ Output >> RS-485
★ Monitor in Time >> LED Local Display
====================================

======================
Feature :
★ Automatic RS-485 Direction Control
★ No External Power Supply required、Fully Compliant with the USB 1.1/2.0(High Speed)
★ 3000 VDC Isolation Protection on the RS-485 side、ESD Protection for the RS-485 & USB Data Line
★ Driver Supports: Windows XP/Vista(32/64-bit)/7(32/64-bit)/Linux/Mac
======================