CO2 Indication Levels: Clear color-coded indicators notify you of air quality levels, helping you to easily interpret CO2 concentrations from 0 to 5000 ppm. Multi-Functional 5-in-1 Design: Detects CO2, HCHO, TVOC, temperature, and humidity, giving you a thorough picture of your indoor air quality.
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NOYAFA NF-8508 Network Cable Tester LCD Digital Rechargeable Network Line Finder Wire Tracker PoE Checker Optical Wire Meter
Aliexpress UK
TDS Value (Water Purity). 5-in-1 Hydroponic Tester x 1. Soil, hydroponic, aeroponic or aquaponic systems. Range: 0.01-14 pH. Resolution: 0.01 pH. Accuracy: ±0.05 pH. Range: 0-9999 μS/cm, 10-200 mS/cm.
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OFW Mini OTDR Optic Otdr Optical Reflector Active Fiber Live Tester 1550nm 20dB Optical Reflectometer Touch Screen OPM VFL iOLA
Aliexpress UK
The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Temperature Range:AS Picture shows.
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Noyafa NF-816 Underground Cable Tracker Anti-Interference Cable Tester Professional Cable Finder Network Tools
Aliexpress UK
The temperature and humidity changes are recorded on the APP and shown to you in graphs. 【Wifi+BT Dual Mode Design with High Accuracy】: Connect to the network. Note: BT is only used for network signal connection, you can't use BT alone.
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NanoVNA-H Vector Network Antenna Analyzer 10KHz-1.5GHz MF HF VHF UHF W/ Shell SD Card Slot Supprt 32G Digital Nano VNA-H Tester
Aliexpress UK
Temperature sensor: ring-shaped or rod-shaped NTC 3950 10K 1% sensor, length 100cm. Type: annular sensor/rod sensor. Temperature range：-50 ° C ~ 120 ° C.
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SAIXIAN all in one Mini Optical Power Meter Visual Fault Locator Network Cable Test optical fiber tester 10mw 30mw VFL
Aliexpress UK
The data partition display is more intuitive. The digital gauges hvac adopts a 32-bit digital processing unit and a high-precision data acquisition unit, providing higher accuracy and stability. Vacuum resolution:1Kpa.
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OFW Mini OTDR 1610nm 20dB Optic Otdr Optical Reflector Active Fiber Live Tester Optical Reflectometer Touch Screen OPM VFL iOLA
Aliexpress UK
Milwaukee PH55 PRO Waterproof pH & Temperature Tester with ATC The Milwaukee Waterproof pH55 PRO pH/Temp. Ideal for use in aquariums, hydroponics, horticulture, education, pools, beer and many other applications.
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TOOLTOP Network Cable Tester 4 in 1 Multi-function Fiber Optical Power Meter Visual Fault Locator noise-free LAN Line Tracking
Aliexpress UK
The temperature and humidity changes are recorded on the APP and shown to you in graphs. Note: BT is only used for network signal connection, you cannot use BT alone. WIFI+BT is more stable. 【Wifi+BT Dual Mode Design】: Connect to the network.
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SAIVXIAN A-50 Active Optical Fiber Identifier Fiber Cable Tester Detector -50dBm-+20dBm with 30mw VFL optional with wire finder
Aliexpress UK