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⚡ Detect magnetic fields like a pro—no dismantling, no downtime!
The Martindale Electric NC1 is a compact, battery-powered non-contact magnetic field tester designed for quick diagnostics of solenoid valves and relays across industries. Featuring audible and visual alerts, an extended probe, and a built-in LED torch, it enables efficient troubleshooting without equipment disassembly. Its ergonomic design and smart auto power-off function make it an essential tool for professionals seeking reliable, on-the-go magnetic field detection.











| ASIN | B07TJTV3V1 |
| Best Sellers Rank | 13,311 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 5 in Solenoids |
| Brand | Martindale |
| Colour | Black, Yellow |
| Compatible Devices | Solenoid or relay devices, control equipment, process industry, energy, transportation, and pneumatic and hydraulic systems |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.1 out of 5 stars 75 Reviews |
| Global Trade Identification Number | 05036162188008 |
| Included Components | batteries |
| Item Dimensions | 15.5 x 2.5 x 2.5 centimetres |
| Item Weight | 100 Grams |
| Item dimensions L x W x H | 15.5 x 2.5 x 2.5 centimetres |
| Item weight | 100 Grams |
| Manufacturer | Martindale Electric Co Ltd |
| Manufacturer Part Number | NC1 |
| Measurement Type | Magnetic Fields |
| Model Number | NC1 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Product Warranty | 2 year manufacturer |
| Style | Compact |
| Style Name | Compact |
A**R
Great little tester
Fantastic for testing the magnetic fields on door magnetic locks as well as solenoids
I**A
Not sensitive enough
Too complicated for what I need. Keep switching the torch on by accident when turning the sensor on. The sensitivity isn’t low enough. We have older types, don’t know the name but they only light when there’s a working coil detected and at lower power than this can detect. Built well but I wouldn’t want to accidentally drop it in oil which happens a lot in my trade.
M**T
Magnet tester
Works as intended, signals a magnetic condition on gas suppression system solenoid. Perfect, cheap and reliable.
B**H
Didn't work.
Bought this as it was a magnetic one that is better for detecting the different voltages we use in work. Didn't pick up supplies in cables, or energised coils. Borrowed friends one in case i was doing something wrong (different make) his worked perfectly. Waste of money.
R**H
Easy to use
Arrived before delivery date. Exactly as described.
M**S
Easy to use
Works well for me
B**R
didnt work for my application
advertised as able to do all. but i was disappointed that they were not sensitive enough to detect hydraulic control solenoids operating or automotive relays and it became obsolete for me on the first try out when i needed it
K**N
Useless rubbish
Useless It doesn’t work, doesn’t detect voltage at all.
G**.
Nicht kaufen
Funktion nicht gut.... Magnetfeld wird sporadisch angezeigt... Klumpp
Trustpilot
3 weeks ago
2 weeks ago