Top Magnetic Field Observer Reviews

Metal Detector PRO - turn your phone into magnetic field meter and magnetism tester with electromagnetic field app

• Metal Detector PRO is an extremely useful application for your android phone.
• Application Metal Detector PRO uses built-in magnetometer that can measure electromagnetic field (EMF) level in your surroundings..
• This application detects electromagnetic fields there around your smart phone and tells you if there are metal close..
• Meta Detector app uses built-in magnetic field sensor. Please check in your phone specification if your device is equipped with one..
• The app detect ferromagnetic metals which means that only detects those which generate magnetic fields..
• The metal detector app works also through walls so it can detect hidden electrical wires, studs and metals..
• The magnetic field intensity is presented on a magnetic field intensity chart..
• The magnetic field meter will play sound and vibrate if magnetic field generation object are detected in proximity of the app..
• Please note that the accuracy depends entirely on the magnetic sensor (magnetometer) in your device and might be affected by electromagnetic waves generated by nearby electronic equipment..

Homebrew Build Digital Voice Reflector for only 10USD server (Japanese Edition)

• This wide-field reflector telescope has enough aperture for great views of the Moon, planets, and many bright deep-sky objects.
• A fantastic general-purpose astronomical telescope - great for the beginner to test the waters with mirror optics large enough to keep you and your family busy viewing for years to come.
• Included Shorty 2x Barlow doubles the magnification of both included eyepieces.
• Use the included Star Target Planisphere, MoonMap 260, Telescope Observer's Guide book, and keychain red LED flashlight to plan stargazing sessions.
• Take pictures of solar system objects with the included Smartphone camera adapter.

GLTL Gaussmeter Tesla Meter Surface Magnetic Field Tester with N/S Function + Metal Probe

• ★, Application: Handheld digital WT103 gauss meter used to measure the magnetic field of the permanent magnet material surface, DC motors, speakers, magnetic separator, permanent magnetic separator magnetic field demagnetization and the leakage of the magnetic field, parts machining residual magnetic field. Measuring range: 0 to 200mT milli-Tesla of - 2000mT milli-Tesla.
• ★, Basic error: ±2percent ±3 word (below 1000mT millitesla of) ±5percent ±3 words (over 1000mT millitesla).
• ★, Ambient temperature: 5℃~40℃ Relative Humidity: 20%~80% (non-condensing) Power supply: one 9V battery, external power supply (Battery is not included).
• ★ ,Package Included: 1 x WT103 Gaussmeter Tesla meter.
• 1 x DC Adapter ( includes AAA*3 Batteries ).

Orion Observer 80ST 80mm Equatorial Refractor Telescope Kit

• Telescope Kit includes extra value-packed accessories for a fun stargazing experience.
• An ideal refractor telescope package for the observer on-the-go, the compact Observer 80ST packs a lot of performance into a petite telescope design.
• The included EQ-1B equatorial mount and adjustable-height tripod allows smooth slow-motion movement to easily track objects in the sky.
• Includes two 1.25" telescope eyepieces, red-dot aiming sight, smooth rack and pinion focuser, 90-degree mirror diagonal for comfortable viewing, and more!.
• Value-packed telescope kit also includes a 2x Shorty Barlow, MoonMap 260, Orion Telescope Observer's Guide book, Star Target Planisphere, and RedBeam Mini LED keychain flashlight.

Orion Observer 114mm Equatorial Reflector Telescope Kit

• This wonderfully capable equatorial reflector telescope gives beginning stargazers an exciting look at the many jewels of the night sky.
• Its 114mm (4.5") parabolic mirror and 500mm focal length provide sharp, wide-field views of the lunar surface, Saturn's rings, and deep-sky gems like the Lagoon and Orion nebulas and the Andromeda galaxy.
• The sturdy EQ3-class equatorial mount and aluminum tripod is a big upgrade from the mounts that comparable telescopes on the market come with.
• Two quality 1.25" Plossl eyepieces are included: a 25mm for low-power views at 20x, and a 10mm for getting in tight at 50x. You also get a "red dot" finder scope..
• This value-packed kit includes essential extras like Orion's MoonMap 260, RedBeam Mini LED Flashlight, Star Target Planisphere, and our helpful 174-page Telescope Observer's Guide.

Orion Observer 134mm Equatorial Reflector Telescope Kit

• This wonderfully capable equatorial reflector telescope gives beginning astronomy enthusiasts an exciting look at the many jewels of the night sky.
• Its 134mm (5.3") parabolic mirror and 650mm focal length provide sharp, wide-field views of the lunar surface, Saturn's rings, and deep-sky gems like the Lagoon and Orion nebulas.
• The sturdy EQ3-class equatorial mount and aluminum tripod is a big upgrade from the mounts that comparable telescopes on the market come with.
• Two quality 1.25" Plossl eyepieces are included: a 25mm for low-power views at 26x, and a 10mm for getting in tight at 65x. You also get a "red dot" finder scope..
• This value-packed kit includes essential extras like Orion's MoonMap 260, RedBeam Mini LED Flashlight, power-doubling Shorty 2x Barlow Lens, Star Target Planisphere, and our helpful 174-page Telescope Observer's Guide.

3 in 1 EMF Meter,EMF Reader,Electromagnetic Field Radiation Detector,EMF Tester for Home,EMF Detector with Sound Light Alarm,Ghost Hunting Equipmetent

• ...hone, computer,TV, refrigerator high voltage line radiation detection.
• Test the effect of protective equipment such as radiation protective clothing and radiation protective film.
• 【3 in 1 EMF meter】One machine for three purposes, simultaneously detecting electric field, magnetic field radiation and temperature.Short press "MODE" key, the electric/magnetic field and ℃/℉ function conversion.
• 【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
• Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.【Alarm】 Exceeding alarm threshold (electric field: 40V/m.
• Magnetic field: 0.4μT), the instrument will sound, light, screen display at the same time.
• 【Hold data】The instrument reading will be locked by pressing the HOLD key, and the "H" symbol will be displayed on the screen. If there is no need to lock, press the HOLD key again.
• 【Graphic display】LCD graphic display of radiation value trend.Radiation assessment, to remind you whether the current radiation value is safe.

EMF Meter, Electromagnetic Radiation Tester,Hand-held Digital LCD EMF Detector, Great Tester for Home EMF Inspections, Office, Outdoor and Ghost Hunting

• Can Test The Electric Field And The Magnetic Field Radiationat at The Same Time---Our EMF Electromagnetic Radiation Detector( Test Range: Electric: 1-1999V/m.
• Sound-light Alarm, When The Test Result Exceeds The Safe Value The Instrument Willalarm Automatically(Alarm Threshold: Electric: 40V/m.
• Data Locking, One-key Lock Of The Radiation Value, The EMF Equipped With a Builtin Electromagnetic Radiation Sensor(Test Bandwidth: 5Hz-3500MHz, Sampling Time: Approx. 0.4 Seconds)..
• LCD Graphic Display of The Radiation Value Trend : Radiation Assessment , Remind You Whether The Radiation Value is Safe or not, Double Measure Display of Electric Field Magnetic Field on The Meter, Average / Peak Switching Button Function..
• Built-in Rechargeable Lithium-ion Battery (with USB Charging Cable), Fashionable Design,Easy on-hand Operation, Easy to Carry or Make Field Measurement..

Extech EMF450 Multi-Field EMF Meter

• Multi Field measurements: Magnetic Field, Electric Field and Radio Frequency (RF) Strength.
• Magnetic Field Triple Axis Sensor (X, Y, Z).
• 2.4 inches (240 x 320 pixels) color TFT display.
• Adjustable screen brightness (low, medium, high).

AMTAST TES11A Tesla Tester Digital Gauss Meter Surface Magnetic Field Meters Metal Probe Guassmeter with Ns Function

• The TES11A Handheld Digital Teslameter is a field-portable unit that measures DC magnetic fields with direct digital readout in mT or Gs..
• With small volume, light weight and convenient carry, this instrument can meet the measurement requirements of various sites.
• Can select transverse probe or axial probe. Have judgment function of magnetic field polarity. The unit is designed for wide range, auto-range, high....
• Adopt micro power consumption design. With long service life, the battery can be continuously used for more than 50 hours.
• Wide Application: used for measuring the permanent magnetic material surface magnetic field, dc motors, speaker, magnetic separation machine,....

Magnetic Field Viewing Film 6 x4 Magnetic Flux Display Magnet Pattern Detector Scientific Project Teaching Reusable and Automatic Recovery - Brownish Yellow

Hamax Observer Standard Fastening Bracket

• Easily switch your Hamax Observer child bike seat from one bike to another in seconds.
• Anti-theft lock - keys included with Observer child bike seat.
• Quick-release design for easy seat removal.

Starbound Astronomy Viewing Chair, White

• Padded seat, filled with a durable material that will not rot or decay over time in heat or cold..
• Adjustable height - with a reach broad enough to put an observer at a comfortable position for a variety of telescope eyepiece heights..
• Ability to fold into a compact, ideally flat profile..
• Good lateral stability - so that if an observer leans left or right the chair will not easily tip over..