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Magnetic Polarity Tester with ±5mT Sensitivity, One-Button Operation for Electric Motors/Coils/Magnets Assembly - LED N/S Detection Pen, Portable Gauss Meter with 10-Hour Battery
✅ In stock
F
Grade
Analysis Confidence
83%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Nov 6, 2026 4:59 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The current price sits right around what this item typically fetches.
- 📉Pricing has not dipped this low in roughly six months, placing this offer among the better deals in that window.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
10/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
GLTL
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Induction value: 0.005 tesla = 5 mT, Sensitivity: ± 5mT.
✓Applications:Pole detection of permanent and electro magnets.Post-magnetization polarity checks.Coil testing.Assistance with the following tasks:electric motor assembly,installation of magnetic clamping blocks, error analysis, multipole quality control.
✓Press and hold the oval button shown on the photo below. Then place the tip of the detector to the surface of the magnet.Sensitive area 6 * 3mm.
✓Display: 2 LED display，(green = S pole, red = N pole),If it is the "N" Pole,the Red LED will shine, if it's the "S" pole, the Green LED wil light. If surface of the magnet, ome can mote the transition from onE pole to another.
✓Use battery: 1X1.5V LR03 AAA battery （ included）(continuous use time > 10 hours).
✓Size: about 140 * 20 * 19mm,Sensitive area 6 * 3mm.
⚙️ Specifications
Brand
GLTL
Power Source
Battery Powered
Style
Digital
Color
Blue
Min. Operating Voltage
1.5 volts_of_direct_current
Upper Temperature Rating
80 °C
Measurement Type
Magnetic Flux Density
Manufacturer
GLTL
Package Dimensions
7.87 x 1.89 x 0.87 inches
Item Weight
2.53 ounces
ASIN
B082SF1TBN