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Item Category: Signal Sources & Conditioning

DC4V-100V Voltmeter LED Display Digital Panel Meter Voltage Indicator 5 Color

DC4V-100V Voltmeter LED Display Digital Panel Meter Voltage Indicator 5 Color Description : Ultra-thin mirror round hole Easy to install Reverse polarity protection Reverse connection does not burn Measuring range: 5V-100V Power supply range: 5V-100V Minimum startup: 3.8V Allowable error: ±1% Input impedance: >100K ohms Operating current: red <15mA, green <12mA, blue <12mA Refresh rate: about 300mS/time Display mode: three-digit circular LED digital tube Display color: red, green, blue optional Lead length: 20cm Dimensions: Diameter 33.8 Hole size: diameter 30.0 Working temperature: -10℃～65℃ Note: Input voltages higher than 100V may be permanently damaged • every item is as the picture showed. • if you have any problem with the item, please contact me before you buy it, we will reply to you as soon as possible. Package includes: 1 x Digital DC Voltmeter (Red/Blue/Green/Yellow/White LED Optional) Shipping: We will ship your order within 1-2 business day asap of receiving your cleared payment. We Will pack your order carefully before shipping,your order will be shipped by airmail. Customs will random inspection some parcel,that may make your order take some more days for delivery. So,Ship to US 1 to 3 Weeks ,to UK,EU,Europe 2 to 4 Weeks. and to other country 3 to 6 Weeks,please be patience. Shipping time is only estimated and not guaranteed. We do not bear any customs duties and import charges,These charges are the buyer's responsibility. If you do not receive your item on time, please contact us immediately for further assistance. Reture and Warranty 1. We provide 30 days free replacement ,30 days money back on non-defective, undamaged, unused and resalable products. Product is not eligible for refund after the 30-day refund period has expired. 2,Our warranty does not extended to any products that are physically damaged or that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part. 3. For all returned products, Please contact us for the returning address. 4. In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item. About Us We sincerely do business with you. If you satisfy with our service and products, please leave us a good feedback. Your great comments will lead us to get more potential customers, and make us more confident to develop business and serve you better.But if you don't satisfy with the item, or you have any concern about our transaction, please do first contact us, we will response you in 12 hours, and do our best to help you solve any problems. I have other models not listed, if there're any you needed, please message us for consulting, we'll give you more discount. Shopping confidently with us, customer satisfaction is a top priority for us.

Digital Color Meter Colorimeters 8/d 4mm Repeatability Accuracy ΔE≤0.03

Digital Color Meter Colorimeters 8/d 4mm Repeatability Accuracy ΔE≤0.03 Product Advantages 1, economic application, simple operation; 2, Higher short-term repeatability accuracy: ΔE≤0.03; 3, dual positioning function of light and cross; 4、Configured with rechargeable lithium-ion battery; 5, Φ4mm measuring caliber, portable structure, suitable for more measurement occasions; 6、Color box packaging, easy to transport; 7、Built-in whiteboard parameters, no need for black and white board correction; 8、No need to connect to the computer to turn on and use – make the measurement more simple! Illuminating/Viewing Geometry8°/dMeasuring Aperture Φ4mm Special FunctionEspecially suitable for testing surface stripe and wet products LocatingIllumination Locating/Cross Locating DetectorSilicon photoelectric diode LocatingIlluminating Locating/Cross Locating Color SpaceCIE LAB Color Difference Formula△E*ab; △L*a*b*; △E*C*h* Light Source D65 Light Source Device LED blue light excitation Errors Between EachEquipment≤0.50ΔE*ab Storage100pcs standards 20000pcs samples RepeatabilityStandard deviation within ΔE*ab 0.08 Average of 30 measurements of standard white plate Weight 500g Dimension205×67×80 mm Power sourceRechargeable lithium-ion battery 3.7V@3200mAh Lamp Life5 years, more than 1.6 million measurements Charging TimeFirst charging time is 8 hours–100% electricity PC SoftwareCQCS3 Software Printer (optional)Miniature thermal printer

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