Reviews Tunnel Excavation Magnetic Detection Systems

Liftmaster 41C4398A RPM Sensor Assembly

  • Made of flame retardant ABS housing material,high temperature resistant,not easy to deform..
  • Contact Type:NC(Normally Closed).Can be added to wireless home security systems such as video surveillance cameras..
  • Wire length:25cm/1".Sensitive response,accurate detection.Fine workmanship ensures its reliability..
  • Easy to install.This door contact can be used with access control or burglar alarm system..
  • Package Included: 2pcs Recessed Door Magnetic Switch..
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CR Magnetics CR5211-100 DC Hall Effect Current Transducer with Single Element, DC, 003e=2K Output Load, 24 VDC +/-10%, 0-100 ADC Input Range, +/-10 VDC Output Range

  • Output signal DC: 0-5V / 0-10V /4-20mA three forms are available. The outer casing is made of self-extinguishing material, safe and durable..
  • The measured current AC: 0-10A / 20A / 50A can be selected. Magnetic hysteresis less than 1%, can be used in strong magnetic field conditions..
  • Mutual inductance current monitoring, high current detection accuracy, stable performance, safe isolation of input and output. It is used for AC current monitoring, detection, current overload protection, and is also used as an electronic switch for automatic control systems..
  • Through-heart structure design, isolation withstand voltage up to 2000V AC. It is suitable for various applications requiring current and voltage conversion..
  • Installation and using are easy and convenient, there is no need to connect the dc series into the circuit during measurement. It has the characteristics of strong overload ability, high precision, high isolation, high security, low power consumption and strong anti-interference ability..
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New RF 8.2Mhz Retail Store Security System EAS Antenna Antishoplifting - Made in USA

  • ...t with smaller security tags ) and labels (up to 3 feet on either side of the antenna)..
  • SELF INSTALLATION: This system is easy to install and maintain. The antenna requires no synchronization (hard wiring) between systems nor do they require synchronization to the deactivators when required..
  • EASY CONFIGURATION: Our Detection Systems may require some configuration which can delay the shipment. If you would like to receive more information please contact one of our sales representatives. Our systems are self-installable, easy to move and may require little or no calibration. We provide phone support when required by the customer..
  • GREAT DETECTION: The detection of these security systems may vary from location to location and we cannot assure that optimum results will be achieved all the time, but in regular circumstances this systems do offer a fine detection of security tags and labels..
  • PRODUCT DESCRIPTION: Size: Height: 60" (152.4cm) / Width: 12" 30.48cm) / Depth: 1" (2.54cm). Weight: 12.5 lbs. (5.7kg) with Power Supply. Frequency: 8.2 MHz. Colors: Black Covers. Condition: new product / Installation: not included.
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MindWare Dig It Up! Dinosaur eggs excavation kit

  • Dig it up Dinosaur Eggs: Experience the excitement of discovery like a real paleontologist as you excavate 12 unique dinosaur eggs! Learn how to identify each extinct species using the Excavation Guide. This dino eggs dig kit is fun and educational..
  • Designed for Classroom Education and Home Activities: Each individually wrapped dig up dinosaur fossil egg contains its own unique dinosaur, chiseling tool and set of instructions. This is the perfect dig kit to use on your own or as a classroom activity!.
  • How To: Simply soak the 3" clay egg in water and then carefully chisel away the shell to excavate the dinosaur inside. Once your dinosaur is excavated simply rinse off remaining clay and your child will be ready to play..
  • Excavation Guide: An excavation guidebook is included to learn more about your dino discoveries. Learn how to classify each dinosaur by similar traits or characteristics and create your very own diorama..
  • Dig it up dinosaur excavation kit Includes: 12 individually-wrapped clay eggs, 12 chisels tools, 12 instruction sheets and an excavation guidebook (For ages 4....
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Amprobe NCV-1040 Non-Contact Voltage Probe with Flashlight and Magnetic Solenoid Testing

  • Detects voltage from 12 to 50V and 50 to 1000 v ac safely and quickly without interrupting electrical systems.
  • Audible buzzer and visual led voltage indication, built-in work light, magnetic detection, and auto-off feature.
  • Cat iv 1000 v safety rated and Ip65 water and dust resistant for industrial applications.
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DIG IT UP! The Big Egg, Dinosaur Excavation Kit, Seven Different Dinosaurs Included STEM Kids Games

  • Dig it up! The Big Egg: Experience the excitement of discovery and Learn how to identify each extinct species using the Excavation Guide. This dino eggs dig kit is fun and educational..
  • Designed for Classroom Education and Home Activities: Each Dig It Up! The Big Egg contains a fossil egg with seven unique dinosaurs, chiseling tool and set of instructions. This is the perfect dig kit to use on your own or as a classroom activity!.
  • How To: Simply soak the 4"x7" clay egg in water and then carefully chisel away the shell to excavate the dinosaurs inside. Once the dinosaurs are excavated simply rinse off remaining clay and your child will be ready to play..
  • Excavation Guide: An excavation guidebook is included to learn more about your dino discoveries. Learn how to classify each dinosaur by similar traits or characteristics and create your very own diorama..
  • Dig It UP! The Big Egg dinosaur excavation kit Includes: 1 oversized clay egg, 2 chisels tools, instruction sheets and an excavation guidebook (For ages 4 and up)..
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Bugogo 58khz AM Security Tags Soft Labels with Mock Barcodes for Retail Store EAS Anti-Theft System Equipment Self-Adhesive DR Label Stickers (5000)

  • ☞【Excellent Quality】---The compact and lightweight label uses special 58khz acousto-magnetic technology and 3 built-in amorphous resonance chips. Due to its long wavelength, strong penetrating power and good anti-shielding ability, the soft label plays a good role in enhancing the detection ability of the anti-theft system and minimizing the risk of false alarms..
  • ☞【Widely Used】---Label suitable for all kinds of packaged goods. Soft labels are usually used with detection systems installed at the entrance and exit of shopping malls, supermarkets or checkout channels to confirm whether the anti-counterfeiting labels have been successfully demagnetized, which is an ideal choice..
  • ☞【Simple and Beautiful】---The soft label adopts high-strength adhesive, which greatly improves the work efficiency, and is suitable for the sealed packaging of food and cosmetics. The appearance is similar to ordinary barcode, no need to punch to avoid damage to the package.
  • ☞【Easy to Use】 ---Small size and easy to store. The soft label is stable and effective for viscosity, and the operation steps are simple and easy to understand. Just put the product with the soft label on the demagnetizer, and then demagnetize according to the instructions for confirmat....
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Stud Finder Wall Scanner Detector - Upgraded 6 in 1 Electronic Sensor Wood Wall Detector Beam Finder for Drywall Joist Pipe Live AC Wires Metal with Magnetic/Non-Magnetic, LCD Display & Sound Warning

  • UPGRADED CHIP WITH ADVANCED SENSOR TECHNOLOGY MAKES YOUR DETECTION RESULTS MORE ACCURATE -with many years of deep research and development,our engineer team have uptimized and upgraded design and detection function of this stud finder, which gives you more accurate readings. Equipped with the most intelligent chip,this stud finder wall scanner can detect and locate different materials in different modes quickly and accurately..
  • MAGNETIC/NON-MAGNETIC METAL DETECTION FUNCTIOIN UP TO 80MM - Our magnetic stud finder has innovated a new design for metal detection, which can help confirm Magnetic/Non-Magnetic metal and make distance detection up to 3.15 in.deep by microwave. When the screen appears "X.
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Challenger Infrared Safety Beam Sensors

  • MATERIAL - The switch housing is made of ABS flame retardant material and the reed switch is resistant to high temperature and deformation..
  • NORMALLY CLOSED/NORMALLY OPENED - This switch has 3 contact types: NC/NO/COM, you can choose to connect two of the contacts according to your need..
  • ACTUATION DISTANCE - 10-20mm transmitting distance. The contact has fast reflection and accurate detection..
  • WORKING CONDITIONS - When the magnetic door is energized, the voltage is controlled at DC 0V-24V and the load current cannot exceed 150mA..
  • WIDE APPLICATIONS - Work with all access control and burglar alarm systems. Can be installed in wooden or aluminum alloy doors and windows..
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Tinwoo Smart Watch for Women Men All-Day Activity Tracker Bluetooth Fitness Pedometer,Smart Watches for iOS Android Phone with Heart Rate Monitor TPU Band Black

  • 【Stylish Appearance】Equipped with metallic frame and tpu band, featuring a 1.54-Inch large square touch full screen, ultra thin body, 8 different....
  • 【Your personal fitness trainer】Supports step count, automatically monitors your real-time heart rate, calories burned, sports mileage, supports....
  • 【Multiple exercise detection modes】Our smart watch supports data detection for 8 exercise modes covering outdoor sports, fitness, yoga, etc.....
  • 【Practical Tools & App Details】Pairing with Android and iOS phones via Bluetooth connection, App name: "TINWOO", Compatible mobile systems: iOS....
  • 【Charging】Magnetic charging USB cable, 220 mAh lithium polymer battery, 2h charging, can ensure 7-10 days of normal usage..
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