Alarm mode: Audible and visual alarm. Audible and Visual Dual Prompt: When the water content of brake oil is detected, the display screen and buzzer will give dual prompts. 1 Brake Fluid Tester Pen.
eBay
NJTY T02A Multifunction Non-Contact High Voltage Induction Tester, Live/Neutral Wire Detector, Household Electric Tester Pen
Aliexpress UK
Product SpecificationsBrake Fluid Tester Universal Auto Pen Digital Testing Tool Oil Quality Check D. Type: Brake fluid tester. 1x Brake Fluid Tester (Color Randomly sent). Designed for checking the quality of brake fluid simply.
eBay
NJTY T02A Multifunction Non-Contact High Voltage Induction Tester, Live/Neutral Wire Detector, Household Electric Tester Pen
Aliexpress UK
(Battery not included). Green/Yellow/Yellow/Red: Approx.
eBay
ANENG B04 Slotted/Phillips Screwdriver Neon Bulb Indicator Detector Non-Contact Insulated Electrician Pocket Tester Pen Tester
Aliexpress UK
Brake Fluid Tester Pen 5 LED Mini Indicator for Car Repairs Tools Automotive Diagnostic Testing Tool. Insert the tester into reservoir for a second, then the results will be indicated correctly by LEDs.
eBay
MECHANIC Non-Contact Voltage Tester Pen 12-1000V AC Detector with LED Flashlight, Electrical Tester for Home/Electricians
Aliexpress UK
Green, Yellow, Yellow, Red & Red - At least 4% water present in brake fluid. Urgent change of brake fluid is necessary. Green & Yellow - Less than 1% water present in brake fluid. Green - Battery in product is ok and no water in brake fluid.
eBay
ANENG B07 Screwdriver Test Detective Voltage Meter Tester Detector Electric Tester Pen Mini Electricity Instrument Tools
Aliexpress UK
Tester Instructions Tester Features A brake fluid tester. 1, the green LED lights = water content in the brake fluid H2O <1.5%, brake fluid qualified. 3, the red LED lights = water content in the brake fluid H2O> 3%, can not continue to use the brake fluid needs to be replaced.
eBay
Digital Residual Chlorine Tester Multifunction Water Quality Tester 2/3/4/5 in 1 CL2 TEMP pH H2 ORP Meter Pool Water Testing Pen
Aliexpress UK
1x Brake Fluid Tester (1.5V AAA battery not included). 0% LED: Water content in brake fluid. 1% LED: water content, H2O ≤ 1%, brake fluid above. 3% LED: water content, H2O ≤ 3%, brake fluid. 4% LED: water content, H2O≥ 4%, brake fluid must be.
eBay
0-9990ppm TDS Meter Drinking Water Purity Detector High Accuracy Water Quality Detection Tester Mini Digital PH Tester Pen
Aliexpress UK
1 Brake Fluid Tester Pen. Alarm mode: Audible and visual alarm. Water Content Value Display: Automatic alarm for excessive brake oil and water content, and support multiple oil detection DOT3/DOT4/DOT5.1.
eBay
TDS Meter 0-9990ppm Digital PH Meter 0.01 PH High Precision Pen Water Tester TDS&PH Meter 0-14 PH LCD PPM Tester Aquarium Filter
Aliexpress UK