Test the DO(dissolved oxygen) value and temperature(℃/℉) of water. Facilitate the user to carry on‑site operation to display dissolved oxygen values and temperatures. Dissolved Oxygen Saturation: 0.0-300.0%.
eBay
Multifunctional Fiber Optic Tester Optical Fiber Power Meter White for Communication Engineering
Aliexpress UK
Use to prove to the car users when they complain the repaired air conditioning not cold enough;. 3, HOLD button: When temperature displayed state, press this button to keep current temperature on the LCD,press again it will get into detecting temperature state again.
eBay
3 in 1 Mini Optical Power Meter (OPM) & Rj45 Network Tester & LED Light AUA-MC5/MC7/M5/M7 FTTH Fiber Optic Cable Testing Tool
Aliexpress UK
1 x Thermocouple. Item Type: Industrial Digital Display. Appearance Size: Approx. 79 x 43 x 35mm / 3.1 x 1.7 x 1.4in. 1 x Digital Display. Model: DYG-5135. 39mm / 1.5in. 43mm / 1.7in.
eBay
AUA-G710A/G510A FTTH Optical Power Meter with LED Lighting -70~+10dBm/-50~+26dBm Fiber Optic Cable Tester with SC、FC Connector
Aliexpress UK
Do not use the unit under explosive gas, vapor or dust. Temperature range: -50~500℃ / -58~932℉. Working Temperature: 0° to 40°C(32~104℉). Point and shoot with clear LCD display. No matter what problems you have, I will try my best to help you solve them.
eBay
COMPTYCO FTTH Fiber Optic Cable Tester Pen 1/10/20/30/50mw Visual Fault Locator SC/FC/ST 2.5mm Interface VFL 5-50Km Range
Aliexpress UK
1. Built-in detector 2. Small size, nice-looking and practical, accurate measurement, easy to use in smaller space, data will be updated every 5 seconds.
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NOYAFA NF-918S Cable Tracker LCD Display Optical Fiber Tester Optical Power Meter Portable Visual Fault Locator Network Tools
Aliexpress UK
【Easy to Use】Simply insert the probe into the soil about 10cm deep, wait 10 seconds to get an accurate reading. (This tester cannot be used to test liquids. If the soil is too dry, do not insert it into hard soil. ).
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NOYAFA NF-8509 two-in-one Multimeter Tester Network Line Cable Finder for POE Test NCV AC DC LCD Wire Tracke
Aliexpress UK
The 4-in-1 Digital Soil PH Tester is a versatile tool for plant care, offering measurements for moisture, temperature, and light levels in one convenient device. This pH tester is powered by batteries and features a digital display for easy reading. Made from durable plastic in a sleek black colour, it is designed for outdoor use and is non-invasive, making it ideal for monitoring the soil conditions of your garden or patio plants with ease.
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SAIVXIAN Visual Fault Locator 10/30/60/100mW Fiber Optic Cable Tester Pen SC/FC/ST 2.5mm Interface FTTH Optical Fiber Test Tool
Aliexpress UK
Item Type: Soil Tester. 1 x Soil Tester(Battery Not Included). Suitable for greenhouses, rice, vegetables, orchards, flowers, soil research, etc. Soil temperature: -30℃-80℃, -22℉-176℉. Scope of application: greenhouses, rice, vegetables, orchards, flowers, soil research, etc.
eBay
SAIVXIAN FC(Male) To LC(Female) Hybrid Fiber Adapter Optical Fiber Tester Connector Visual Fault Locator Connector
Aliexpress UK