Reviews Accuracy

PH Meter Digital TDS Meter EC & Temperature Test Meter 4 in 1 Set, 0.01 High Accuracy PH Tester Pen Water Quality Tester for Household Drinking, Pool and Aquarium

【Multifunction PH Meters Suit】 with TDS PH EC temperature accuracy, faster for aquariums, pools, spas,etc..
【To calibrate the pH Tester】 Calibration does not require a screwdriver. The pH meter with ATC can automatically calibrate. To maximize convenience, simply press the Calibration key.
【High accuracy】The numbers of the pH meter range from 0.00-14.00 (PH), while the numbers of the digital EC and TDS meters range from 0 to 19990 ppm. PH Resolution is 0.01pH, Accuracy ± 0.05pH.TDS: 0 ~ 9990ppm, Conductivity: 0 ~ 9990us / cm, Accuracy: ± 2%.
【TDS have lock & auto-shut off function】 Conductivity meter has the accuracy of 0.1 ℃. Dump the item about 4 seconds in the liquid to get accurate values. In order to record the number, you can also Press the HOLD keyboard.
【LCD Display】The LCD clearly displays the data and the LCD backlight turns off automatically. Small and easy to carry. 365 days for a worry-free return service.

High accuracy 16-inch spirit level for easy leveling.
Horizontal accuracy at 180°, vertical accuracy at 90°, and 45° accuracy—all with a high level of precision: ±0.029°=±1.0mm/m.
3 easy-to-read premium vials (0.5mm/m) made of durable acrylic glass with smooth inner contours and bright fluorescent liquid inside.
Aluminum frame provides long-lasting strength.
powerful magnetic edge for convenient, hands-free use — great when working with steel.
Built-in slip-free stoppers for secure placement when making marks.
soft shock-resistant TPR rubber end caps and powder-coated yellow-and-black exterior for enhanced visibility on job sites.
Ideal for decoration, home furnishings, and related work for aligning, such as measuring locations on a wall, space between hangers, leveling nails.

CARBON CROSSBOW ARROWS - Constructed from modulus carbon fiber at 33 MSI and wrapped in an exclusive LAZER-TECH carbon weave, the EVO-X Non-Lighted CenterPunch16 is fletched slightly offset with 2.1” Q2i Fusion-II Vanes.
IMPROVED ACCURACY - CenterPunch arrows are inspected for straightness to within .001, each package is weight grain matched to within 1-grain/arrow & our brass insert adds more weight in the front, generating a 17.5% FOC & further improving accuracy.
ALPHA-NOCK HP - TenPoint’s Alpha-Nock features a deep groove & large smooth radius base to hold the bowstring in place & prevent “shoot-over” or “shoot-under”. Its HP Aluminum Bushing provides increased strength & accuracy.
28% INCREASED STRING-TO-NOCK ENGAGEMENT - The string on TenPoint’s extremely narrow crossbows wraps tightly around the center of the Alpha-Nock resulting in straight nock travel & precision down-range accuracy, while minimizing string serving wear.
BETTER PENETRATION - Weighing in at 400-grains and measuring 16-inches long, these crossbow arrows provide the penetration and lethal accuracy needed for big game.

This item is Stabila 37448 48-Inch builders level, High Strength Frame, Accuracy Certified Professional Level.
Accuracy certified, top and bottom readings.
Removable rubber end caps for flush measuring.

This item is Stabila 37432 - 32-Inch builders level, High Strength Frame, Accuracy Certified Professional Level.
Accuracy certified, top and bottom readings.
Removable rubber end caps for flush measuring.

HIGH SENSITIVE - The professional Geiger Counter built-in latest senor to easily detect the radiation, large measuring range and high accuracy, long....
HIGH ACCURACY - This Nuclear Radiation Detector adopts complex GM tube as the core sensor, the error is small, high accuracy in 0.01 USV/h, ensure an....
PORTABLE & LIGHTWEIGHT - The compact and portable Geiger Counter allows you put it inside the pocket and carry it with you, simple user interface,....
USB CHARGING - This Nuclear Radiation Detector is with a variety of charging methods, which can be operated by USB port and battery, convenient and....
WIDE APPLICATION - Professional and high accuracy, this handheld nuclear radiation detector is wide applied in material testing and radiation testing,....

High Accuracy: Hardened stainless steel construction vernier caliper with high accuracy for Industrial & Scientific where the highest accuracy is required. The 0-6Inch Imperial measuremant accuracy is 0.001 inch ( 0-4" (+/-.001"), 4-6" (+/-.0015") ) while the Metric measurement accuracy is 0.02mm (+/-.025mm per 300mm).
Multi Function: This metric caliper can be used to measure the outside diameter(OD), inside diameter(ID), depth, and step value of an exquisite item. Four measuring modes is ideal for different need in daily workmanship. Measurement range: 0 - 150mm ( 0 - 6 inch ).
Dual Mode Reading: Designed with Imperial and Metric dual mode reading, you can read it in your preferred way within two measuring modes, inch and milimeter scale. No extra tool required and can significantly save your time.
Easy to Use: Duarable and long-lasting manual caliper with smooth slide, no grittiness. It's convenient to use by one hand without any extra support. Instant reading you will get!.
Warranty Guarantee: Spurtar caliper measuring tool comes with Spurtar professional after-sale customer service. 30-day money back assure you no risk buying!.

Marine care test kit includes all of the main kits you need to run a healthy marine aquarium.
Allowing you to easily monitor the nitrate, nitrite, ammonia, pH and alkalinity levels.
The easy-to-use tests come with simple instructions and color charts.
100 Ammonia test with accuracy of 0. 02 ppm, 100 and 60 nitrate test with accuracy of 2 ppm and 0. 05 ppm.
100 pH test with accuracy of 0. 2 ppm, 55 alkalinity test with accuracy of 1 dKH/0. 36 meq/L.

CONVENIENCE003e Large digital display is easy to read and comes with a multitude of functions such as: Degree/Pitch/Percentage, Memory Recall, ‘False Zero’, and more..
HIGHLY ACCURATE 003e Digital accuracy of 003c0.1 ° at level and plumb, 003c0.2° other angles. Vials reach an accuracy of. 003c0.0005”/” accuracy. All professional Kapro vial are individually hand-calibrated by trained technicians..
DURABLE 003e Tough aluminum box beam frame also has strong shock-resistant ends. 2 break-resistant solid acrylic vials, including 1 Plumb-Site View Vial for easy front reading of the vial without twisting your neck..
MAGNETIC 003e 2 Finely milled surfaces contains Rare-Earth magnets for maximum accuracy..
WARRANTY: 2 Year warranty w/ Receipt + No Frame Damage.