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Best Sellers

Popular picks from TUFZEN customers
30% off
FNIRSI DMT-99 Digital Multimeter Current Voltage Tester
 4.9
14 Reviews
FNIRSI DMT-99 Digital Multimeter Current Voltage Tester
$45.25
$64.63
30% off
FNIRSI LC1020E Handheld Digital Bridge LCR Meter Auto-Ranging Inductance, Capacitance, Resistance Measurement Tool
 5.0
10 Reviews
FNIRSI LC1020E Handheld Digital Bridge LCR Meter Auto-Ranging Inductance, Capacitance, Resistance Measurement Tool
$80.00
$114.28
Sale
FNIRSI SAG-55 Micro Hot Air Gun 550W with Stand BGA Welding Repair Tools
 4.7
11 Reviews
FNIRSI SAG-55 Micro Hot Air Gun 550W with Stand BGA Welding Repair Tools
From $75.00
Sale
FNIRSI HS-02 Adjustable Temperature Soldering Iron DC 20V 100-450℃ Welding Solder Rework Station PD 100W Portable Repair Tool
 5.0
15 Reviews
FNIRSI HS-02 Adjustable Temperature Soldering Iron DC 20V 100-450℃ Welding Solder Rework Station PD 100W Portable Repair Tool
From $86.74
30% off
FNIRSI SG004A Signal Generator 4-20mA SDR Receiver Generator【The exterior has been updated to blue】
 5.0
3 Reviews
FNIRSI SG004A Signal Generator 4-20mA SDR Receiver Generator【The exterior has been updated to blue】
$138.00
$197.14
Sale
M5Stack Cardputer Adv Programmable Computer StampS3A IoT Controller 56Key Keyboard Card Microcontrolle Development Kit
 5.0
49 Reviews
M5Stack Cardputer Adv Programmable Computer StampS3A IoT Controller 56Key Keyboard Card Microcontrolle Development Kit
From $51.56
Sale
EM-25 / EM-43 1.8-30MHz Shortwave Choke Coil Magnetic Ring Shortwave 1:1 Current Balun For HF Shortwave Radio The Feeder
 5.0
14 Reviews
EM-25 / EM-43 1.8-30MHz Shortwave Choke Coil Magnetic Ring Shortwave 1:1 Current Balun For HF Shortwave Radio The Feeder
From $16.67
Sale
ESP32 Development Board / Module Wireless WiFi Bluetooth module Ultra-Low Power Consumption Dual Core 30Pin ESP32-32D Smart Home
 5.0
99 Reviews
ESP32 Development Board / Module Wireless WiFi Bluetooth module Ultra-Low Power Consumption Dual Core 30Pin ESP32-32D Smart Home
From $3.42
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Test Equipment Picks

Multimeters, oscilloscopes, signal tools and inspection gear
30% off
FNIRSI LCR-P1 Multifunction Transistor Tester
 4.9
45 Reviews
FNIRSI LCR-P1 Multifunction Transistor Tester
$35.00
$50.00
30% off
FNIRSI LCR-ST1 Smart Tweezer Mini Tester
 5.0
31 Reviews
FNIRSI LCR-ST1 Smart Tweezer Mini Tester
$36.00
$51.42
30% off
FNIRSI DMT-99 Digital Multimeter Current Voltage Tester
 4.9
14 Reviews
FNIRSI DMT-99 Digital Multimeter Current Voltage Tester
$45.25
$64.63
30% off
FNIRSI LC1020E Handheld Digital Bridge LCR Meter Auto-Ranging Inductance, Capacitance, Resistance Measurement Tool
 5.0
10 Reviews
FNIRSI LC1020E Handheld Digital Bridge LCR Meter Auto-Ranging Inductance, Capacitance, Resistance Measurement Tool
$80.00
$114.28
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Boards & Modules

Development boards, sensors, displays, motor drivers and RF modules
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M2 M2.5 M3 M4 M5 Motherboard Standoffs Screws Nuts Kit for DIY Electronic PCB Circuit Hex Pillar Mount Male Female Brass Spacer
 4.9
250 Reviews
M2 M2.5 M3 M4 M5 Motherboard Standoffs Screws Nuts Kit for DIY Electronic PCB Circuit Hex Pillar Mount Male Female Brass Spacer
From $5.99
17% off
DIY FM Radio Electronic Kit Adjustable Frequency 87-108MHZ LCD1602 Display PCB Soldering Project Practice Solder RDA5807
 4.9
18 Reviews
DIY FM Radio Electronic Kit Adjustable Frequency 87-108MHZ LCD1602 Display PCB Soldering Project Practice Solder RDA5807
$18.07
$21.52
Sale
Intelligent LCD Battery USB Charger - 1/2/4 Slots for 18650 4.2V Li-ion & 1.2V Ni-MH AA/AAA Rechargeable Batteries
 4.9
48 Reviews
Intelligent LCD Battery USB Charger - 1/2/4 Slots for 18650 4.2V Li-ion & 1.2V Ni-MH AA/AAA Rechargeable Batteries
From $2.79
30% off
FNIRSI DPOS350P 4in1 Tablet Oscilloscope 2 Channel 350MHz Signal Generator 50MHz
 5.0
15 Reviews
FNIRSI DPOS350P 4in1 Tablet Oscilloscope 2 Channel 350MHz Signal Generator 50MHz
$295.99
$422.83
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New In

Fresh arrivals for current builds and repairs
37% off
FNIRSI SWM-20 Portable Spot Welder Double Pulse Battery Welding Machine 18650 Battery DIY Pack Welding Tool 0.5mm Nickel Chip
FNIRSI SWM-20 Portable Spot Welder Double Pulse Battery Welding Machine 18650 Battery DIY Pack Welding Tool 0.5mm Nickel Chip
$75.99
$120.00
Sale
FNIRSI TDM-120/TDM-120P Thermal Imaging Multimeter 2 in 1 IR Camera Tester 120x90 Resolution -20°C~400°C Touchscreen Temperature Alarm
FNIRSI TDM-120/TDM-120P Thermal Imaging Multimeter 2 in 1 IR Camera Tester 120x90 Resolution -20°C~400°C Touchscreen Temperature Alarm
From $169.99
Sale
FNIRSI Automatic DC Boost/Down Converter Power Supply Module CC CV 0.5-30V 3A 35W/4A 50W Adjustable Power Supply Voltmeter
FNIRSI Automatic DC Boost/Down Converter Power Supply Module CC CV 0.5-30V 3A 35W/4A 50W Adjustable Power Supply Voltmeter
From $20.00
27% off
FNIRSI HS-03 Wireless Soldering Iron 10W Rechargeable Portable Soldering Iron 100-450℃ Adjustable Professional Soldering Kit
FNIRSI HS-03 Wireless Soldering Iron 10W Rechargeable Portable Soldering Iron 100-450℃ Adjustable Professional Soldering Kit
$73.99
$100.00
53% off
FNIRSI FNB-C2 USB PD 3.1 Type-C Fast Charging Tester
 5.0
2 Reviews
FNIRSI FNB-C2 USB PD 3.1 Type-C Fast Charging Tester
$37.99
$80.00
16% off
FNIRSI CTG-20 Coating Thickness Gauge 0-1400um Fe nFe Fe+Zn Electroplate Metal & Putty Powder
 4.8
18 Reviews
FNIRSI CTG-20 Coating Thickness Gauge 0-1400um Fe nFe Fe+Zn Electroplate Metal & Putty Powder
$38.95
$45.99
Sale
FNIRSI TSG6020 TSG3020 Function Signal Generator 2Ch 60MHz/30MHz 200MSa/s Touchscreen and Type-C Power for Electronics Repair
FNIRSI TSG6020 TSG3020 Function Signal Generator 2Ch 60MHz/30MHz 200MSa/s Touchscreen and Type-C Power for Electronics Repair
From $199.99
Sale
FNIRSI LCR-ST2 2-in-1 Digital Tweezer Bridge LCR ESR Meter Tool
 5.0
13 Reviews
FNIRSI LCR-ST2 2-in-1 Digital Tweezer Bridge LCR ESR Meter Tool
From $47.99
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FNIRSI Test Equipment

Oscilloscopes, meters, signal tools, power supplies and soldering gear.

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FNIRSI — Best-Selling Test Equipment

FNIRSI Best Sellers

Test equipment from one of TUFZEN's strongest instrument brands
30% off
FNIRSI LCR-P1 Multifunction Transistor Tester
 4.9
45 Reviews
FNIRSI LCR-P1 Multifunction Transistor Tester
$35.00
$50.00
30% off
FNIRSI LCR-ST1 Smart Tweezer Mini Tester
 5.0
31 Reviews
FNIRSI LCR-ST1 Smart Tweezer Mini Tester
$36.00
$51.42
30% off
FNIRSI DMT-99 Digital Multimeter Current Voltage Tester
 4.9
14 Reviews
FNIRSI DMT-99 Digital Multimeter Current Voltage Tester
$45.25
$64.63
30% off
FNIRSI LC1020E Handheld Digital Bridge LCR Meter Auto-Ranging Inductance, Capacitance, Resistance Measurement Tool
 5.0
10 Reviews
FNIRSI LC1020E Handheld Digital Bridge LCR Meter Auto-Ranging Inductance, Capacitance, Resistance Measurement Tool
$80.00
$114.28
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