We may earn a small commission on purchases made through our links.

Find any Amazon.com product's deals and best prices with our free Amazon deal finder and price tracker. Simply paste the product link (URL) or search by name in the box above. You'll get full product information, Deal Score, and all current deals. Shop smarter with the best Amazon deals finder in the USA.

x
Sorry, Something went wrong!
RuoShui

Digital LCR Meter – Precision Benchtop Capacitance and Inductance Tester (10Hz-100kHz) with Data Saving, U-Disk Copy, Ideal for Electronic Component Testing (4090A)

✅ In stock
F
Grade
💤 Not a Deal
22.37/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$229.99
Listed $239.99
Save $10.00 4% OFF
Analysis Confidence 88%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Feb 25, 2026 9:03 AM · 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.
  • 🏷️The listed retail price is trimmed by 4% at checkout.
  • 📉Going back roughly eight months, a more competitive price has not appeared — this stands out as a strong value by recent standards.
  • ➡️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 5.37/20
Deal Strength 13/20
Momentum 4/10

📝 Product Overview

🏪 Sold by HUITEN
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

♲ High-Precision Measurement: The Ruoshui 4090A Bench LCR Meter offers exceptional accuracy with a basic test precision of 0.2% and a 5-digit resolution. Its compact design features a vibrant 3.5-inch TFT LCD display, supporting a wide frequency range from 10Hz to 100kHz for diverse component testing.
♲ User-Friendly Interface: Equipped with a state-of-the-art 32-bit core processor, this LCR meter effortlessly tests parameters such as Inductance (L), Capacitance (C), Resistance (R), Impedance (|Z|), Dissipation Factor (D), Quality Factor (Q), Equivalent Series Resistance (ESR), and phase angles (θ in degrees and radians). Dual-output impedances of 0.0001Ω and 100Ω enhance versatility while built-in flexibility allows for customized comparisons and alerts for passing or failing tests.
♲ Advanced Features: Store and manage your testing data with over 100 internal settings files and USB support for easy data backups in both Simplified Chinese and English. The LCR meter is compatible with FAT16 and FAT32 file systems for maximum convenience.
♲ Comprehensive Testing Frequencies: With an impressive selection of 38 frequency points—from 10Hz to 100kHz—users can perform precise measurements across a wide spectrum, making it suitable for various applications and requirements.
♲ Three-Year Warranty & Quality Assurance: Each purchase includes the LCR Meter, power cord, four-terminal test lead, CD, test report, user manual, and fuse table. Ideal for testing passive components in incoming inspections and production line sorting. Enjoy peace of mind with our three-year warranty and dedicated customer support for any issues that may arise.

⚙️ Specifications

Brand
RuoShui
Power Source
Battery Powered
Style
LCR digital meter
Color
grey
Item dimensions L x W x H
14.57 x 4.33 x 12.2 inches
Specification Met
FCC
Measurement Type
LCR Meter
UPC
614166951184
Manufacturer
ruoshui
Product Dimensions
14.57 x 4.33 x 12.2 inches
Item Weight
6.34 pounds
F
$229.99
Check Deal →