Surecom SF401 Plus 27Mhz-3000Mhz Radio Portable Frequency Counter Meter with CTCCSS DCS Decoder

$579

SIUKE Frequency Meter, 10MHz Frequency Meter DIY Kit Frequency Counter AVR Frequency with Shell Counter Cymometer Frequency Measurement 0.000 001Hz Resolution

$16.99

Mcbazel Surecom SF-20 0.1-20W RF 100-525MHz Handheld Power Meter with Frequency Counter

$24.99

TinySA Ultra Spectrum Analyzer 4.0 inch, Camii 100kHz-5.3GHz Handheld Frequency Analyzer with 32Gb Card, 2-in-1 Signal Generator 100kHz to 800MHz MF HF VHF UHF Input (V0.4.5.1)

$16.99

Dwyer® Handheld Digital Manometer, 475-3-FM, 0-200" w.c. (49.82 kPa)

$226.07

Crystal Oscillator Frequency Counter Tester Meter, DIY 1Hz-50MHz Frequency Indicator Crystal Oscillator Tester Module Kit with 5 Digits Digital Tube Display Red

$23.7

Mastfuyi Decibel Meter, Digital Sound Level Meter 30-130 dB, Portable SPL Meter with LCD Color Display, Audio Noise Measure Device with A/C Weighted, MAX, Data Hold, Flashlight for Home Factory Office

$15.49

2023 4Inch TinySA Ultra Spectrum Analyzer 100kHz-5.3GHz,V0.4.5.1 Portable Tiny Frequency Analyzer with 32GB SD Card & 3000mAh Battery, 2-in-1 RF Signal Generator RBW LNA DANL Phase Noise

$65.99

Decibel Meter, TopTes TS-501B Sound Level Meter with 2.25” Backlit LCD Screen, Portable SPL Meter with A/C Weighted, Range 30-130dB, MAX/MIN, Data Hold, Use for Home, Noisy Neighbor, Factory - Orange

$19.9

PLJ-8LED-H RF Frequency Counter Cymometer Tester Module 0.1~1000MHz (Backlit Font Blue)

$85.99

Decibel Meter, ERICKHILL ES100 Sound Level Meter 30-130dBA Portable SPL Meter with Large Backlight Display, Noise Meter with Fast/Slow MAX/MIN Data Hold for Home, Noisy Neighbor, Factory, Office

$15.49

Mini Handheld Digital Oscilloscope, Support Persistence, PWM, 14 Type Measurement, 40MSa/s Sampling Rate, 18MHz Bandwidth, Signal Generator Frequency 500Khz, 2.4” LCD Display

$165.99

Decibel Meter, Tadeto Digital Sound Level Meter Portable SPL Meter 30dB to 130dB(5 Measurement Range) Backlight LCD Display, MAX/MIN Noise Measurement, Audible and Visual Alarms,Data Hold, A/C Mode

$19.99

Mastfuyi Decibel Meter, Digital Sound Level Meter 30-130 dB(A), Portable SPL Meter with Backlight LCD Display, Audio Noise Measure Device with MAX/MIN, Data Hold, Flashlight for Home Factory Office

$78.89

Handheld LED EMF Meter Magnetic Field Detector Ghost Hunting Paranormal Equipment Tester Electromagnetic Portable Counter 50Hz-20,000Hz

$14.8

Handheld LED EMF Meter Magnetic Field Detector Ghost Hunting Paranormal Equipment Tester Electromagnetic Portable Counter 50Hz-20,000Hz

$14.8

TopTes Decibel Meter, TS-501A Sound Level Meter with 2.25” Backlight LCD Screen, Portable SPL Meter with A Weighted, Range 30-130dB, Data Hold, MAX/MIN, Use for Home, Noisy Neighbor, Factory - Orange

$17.97

HELYZQ 1Hz-75MHz Frequency Counter 7V-9V 50mA DIY Kit Cymometer Module Tester Meter

$99.98

Portable Tinysa Spectrum Analyzer, AURSINC V0.3.1 Handheld Frequency Analyzer, Signal Generator 100kHz to 960MHz MF/HF/VHF UHF Input ESD Protected Function with 2.8 inch Touchscreen

$167.9

High Resolution Frequency Counter Digital Display High Precision Frequency Meter 10HZ-2.7GHZ TFC2700L

$10.99

Nuclear Radiation Meter Geiger Counter, BTMETER Radioactive Detector Detect Beta Gamma X-Ray CPM Level w/Alarm, Handheld Radiation Dosimeter LCD Display BT-886A

$59.88

FOORIR People Counter, Infrared Traffic Counter,Bi-Directional Statistics and Display of Incoming and Outgoing Data Respectively, Battery Powered,Easy to Use Accurate Door Counter

$9.66

Taahira TinySA Ultra Spectrum Analyzer with 4.0" Touch Screen, Handheld 100kHz to 5.3GHz Frequency Analyzer with 32Gb Card, 2-in-1 Signal Generator 100kHz to 800MHz MF/HF/VHF UHF Input (2023 Upgraded)

$12.19

uxcell Electromagnetic Counter, 6 Digit 0-999999 Counting Range Electronic Pulse Counter Digital Counter Totalizer Electromagnetic Pulse Counter DC12V

$9.66

Koolertron DDS Signal Generator Counter, 2.8in Screen Display 60MHz High Precision Dual-Channel Arbitrary Waveform Generator Frequency Meter 275MSa/s Function Generators for Scientific,Laboratories

$26.88

2023 Upgraded TinySA Ultra Spectrum Analyzer, SeeSii 4.0 Inch 100kHz to 5.3GHz Handheld Tiny Frequency Analyzer with 32Gb Card, 2-in-1 Signal Generator 100kHz to 800MHz MF/HF/VHF UHF Input,V0.4.5.1

$97.95

Pulse Counter, CSK4-YKW 4 Digits 0-9999 Industrial Totalizer Mechanical Electromagnetic Pulse Counter(DC12V)

$24.99

HOLDPEAK Geiger Counter Nuclear Radiation Detector, Radiation Dosimeter Beta Gamma X-ray Detection Meter with LCD Display, Rechargeable Radiation Monitor Meter with 5 Dosage Units Switched, RH, Temp

$73.36

Mastfuyi Digital Clamp Meter, Electrical Tester AC/DC Current, True RMS 4000 Counts, Auto-ranging, NCV, Live Wire Detection, AC/DC Voltage, Resistance, Capacitance, Frequency, Continuity, Diode

$237.9

Fluke 324 True-RMS Clamp Meter with Temperature & Capacitance, Measure AC Current Up To 400 A and AC/DC Voltage Up to 600 V, Includes Backlit Display, Measure Resistance Up To 4000 Ohms

$59.99

2 in 1 Handheld Oscilloscope Multimeter, 10MHz Bandwidth 48MSa/s High Sampling Professional Oscilloscope, 9999 Counts Digital Multimeter, Auto-Calibration Function, DC/AC Voltage/Current Test

$349

KUS DN52mm White Clock Meter PN: KY09100 (White)

$45

Portable Spectrum Analyzer 100kHz to 960MHz, Signal Generator Hand Held Frequency Analyzer MF/HF/VHF UHF Input,ESD Protected Function & 2.8'' Touch Screen

$359.99

Portable TinySA Spectrum Analyzer,SEESII Upgraded V0.3.1 Handheld Tiny Frequency Analyzer 100kHz to 960MHz MF/HF/VHF UHF Input,Signal Generator with 2.8 inch Touch Screen with ESD Protect Function

$59.98

TinySA Spectrum Analyzer Handheld,2.8inch Touchscreen 100KHz-960MHz Portable Frequency Analyzer MF/HF/VHF UHF Input | ESD Protected Function & PC Control | As a Signal Generator

$12.19

Sound Level Meter Wall Hanging Decibel Meter with Alarm Icons Indicator, 4-in-1 Sound and Noise Detector with Clock, Temperature, Humidity, 30-130dBA DB Meter for Home, Studio, Factory

$17.49

ATC 365C-300-Q-30-PX Long-Ranger Computing Timer with Display, 0.01 Second to 999 Hours, 120 VAC, 50-60 Hz with Display, ON-Delay/Time up or Down and Stop, Basic Plug-in Unit, Standard Unit

$80

Norpolifomor Real Time Air Quality Detector AQI Monitor Meter Formaldehyde Tester,TVOC Meter Temperature/Humidity Gauge,Particle Counter PM2.5 Meter for Cars,Homes,Schools

$74.95

Koolertron Geiger Counter Nuclear Radiation Detector, Rechargeable Precise Radiation Dosimeter with LCD Display, Handheld β γ X-Ray Radiation Monitor Meter Device for Lab Industry Home, 5 Dosage Units

$26.89

AURSINC TinySA Ultra Spectrum Analyzer 4inch - HW V0.4.5.1 100kHz-5.3GHz Handheld Frequency Analyzer with 32Gb Card | 2-in-1 Signal Generator 100kHz to 800MHz MF/HF/VHF UHF Input (TinySA Ultra)

$167.9

Klein Tools CL150 Clamp Meter, AC Electrical Tester with 18-Inch Flexible Clamp, True RMS Readings, Auto Ranging and More

$59.99

ZNZHNSI 703S 3-in-1 Handheld Oscilloscope Multimeter DDS Generator, Dual Channel 50MHZ Bandwidth, 280MSa/s High Sampling Professional Oscilloscope, 25000 Count Digital Multimeter, Ampere-Ohm Voltmeter

$19.99

Geiger Counter Nuclear Radiation Detector - FNIRSI Radiation Dosimeter with LCD Display, Portable Handheld Beta Gamma X-ray Rechargeable Radiation Monitor Meter, 5 Dosage Units Switched

$95

Geiger Counter Nuclear Radiation Detector - FNIRSI Radiation Dosimeter with LCD Display, Portable Handheld Beta Gamma X-ray Rechargeable Radiation Monitor Meter, 5 Dosage Units Switched

$66.98

UNI-T UT373 Mini Digital Tachometer, 10~99999 RPM Non-Contact Tachometer Speed Meter Speed Gauge with Backlight, Max/Min/Data Hold, Rotating Speed/Count Function Switching

$18.85

1833C LCR Meter Hantek Handheld LCR Meter, 0.30% Accuracy,0.3/0.6 Vrms with 10 Typical Test Frequency

$309.99

Koolertron Upgraded 15MHz DDS Signal Generator Counter,High Precision Dual-Channel Arbitrary Waveform Function Generator Frequency Meter 200MSa/s (15MHz)

$12.99

Oscium WiPry 340x, Home Security Spectrum Analyzer, 300-348 MHz & 387-464 MHz, Universal Platform Support (Including iOS, Android, PC, Mac), Portable, No Software Subscription

$396.99

Decibel Meter,Digital Sound Level Reader, High Accuracy Sound Pressure Level Meter SPL Meter 30-130dB Range MAX/MIN Data Hold with Large LCD Display Backlight for Home, Factories, Workplace

$99.95

Geiger Counter Nuclear Radiation Detector - Radiation Dosimeter with LCD Display,Portable Handheld Beta Gamma X-ray USB Rechargeable Radiation Monitor Meter, 5 Dosage Units Switched

$95

Spectrum Analyzer, High Sensitivity High Accuracy 35-4400MHz Sweep Generator, Power Meter, Aluminum Alloy Shell Car for Audio System Lab

$13.99

FNIRSI DSO-TC3 Oscilloscope - 3-in-1 Handheld Oscilloscope & DDS Signal Generator & Transistor Tester, 500Khz Bandwidth 10MSa/s Sampling Rate, 6 Types of Waveforms, Transistors Measure

$115.99

KAIWEETS Smart Digital Clamp Meter T-RMS 6000 Counts, Clamp Multimeter with Inrush Current Function, Auto-ranging Amp Meter Built-in HD Color Screen, Measures AC/DC Current Voltage Temperature NCV

$59.99

Decibel Meter, Gedaye ET-933 Sound Level Meter, Range 30-130dBA(C), SPL Meter with A/C Weighted, 3.5” Backlit LCD Display, Data Hold Fast/Slow, Max/Min, Audio Measure Device Sound Detector dB Reader

$78.99

KAIWEETS 10000 Counts TRMS Digital Multimeter with Auto Ranging, Rechargeable, Measures Voltage, Current, Resistance, Continuity, Duty-Cycle, Capacitance, Frequency

$248.54

58khz AM Security Label Tags (Mock Barcodes), Acoustic Magnetic Sticker checkpoints,Compatible with 58khz acousto-Magnetic EAS System (2000PCS)

$54.75

PAR Meter 400-700 nm, DLI Calculator PPFD Recording, Convenient Bluetooth Connection to Your Phone, for Plant, Grow Tents, LED Grow Light, Greenhouses, Agriculture

$180.45

Geiger Counter Nuclear Radiation Detector - Radiation Dosimeter with LCD Display, Portable Handheld Beta Gamma X-ray Rechargeable Radiation Monitor Meter, 5 Dosage Units Switched

$394.21

Nooelec NESDR Mini 2+ 0.5PPM TCXO RTL-SDR & ADS-B USB Receiver Set w/Antenna, Mount & Female SMA Adapter. RTL2832U & R820T2 Tuner. Low-Cost Software Defined Radio for Windows, Mac OS & Linux

$44.95

Upgraded TinySA Ultra Spectrum Analyzer, GOOZEEZOO 4inch 100kHz-5.3GHz Frequency Analyzer 2-in-1 Signal Generator 100kHz to 800MHz MF/HF/VHF UHF Input 3000mAh Battery & 32GB SD Card V0.4.5.1.1

$421.99