DC 5V 7.83HZ Schumann Resonance Ultra-low Frequency Pulse wave Generator Audio Resonator With Box
28.04 23.56 $
Type 1
Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life.
Features:
Oscilloscope multimeter 2 in 1, improve your work efficiency.
One-button oscilloscope: no need oscilloscope probe, measuring waveform directly. Fast and accurate measurement, clear waveform display.
240*320 high definition color screen: the color display is clearer, and the secondary display at the bottom provides more function menus.
Multimeter measurement functions: AC/DC voltage, AC/DC current, resistance, capacitance, frequency, duty cycle, diode test, continuity test.
Storage: mass storage, 100 data/10 waveforms.
Triple safety: double insurance tube, 500mA/250V, 10A/250V. Input voltage is greater than 24V, beep warning once. Input over range, beep warning.
Same screen display: historical records and real-time data are displayed on the same screen for easy comparison and analysis of data.
Buttons and dial: silicone button, sensitive pressing function dial, accurate gear.
Back bracket: the back bracket is tilted at 60° for easy viewing.
Specifications:
Material: ABS
Color: black
Display: 320*240 LCM
Display area: about 2.4 inches
Backlit: white
Input resistance: 10MΩ
Battery: 3 * AA battery (not included)
Power consumption: about 80mA
Use time: low light about 5 hours
Storage: 100 data/10 waveforms
Use environment: 0~40℃, <75%RH
Storage environment: -10~60℃, <90%RH
Bandwidth: ACV/1MHz ACA/5KHz
Max. real-time sampling rate: 2.5Msps
Multimeter measurement: automatic range + manual range
Oscilloscope function secondary display: VP-P, average value, effective value, frequency, time base, amplitude
Measurement mode: normal, automatic
Item size: 160 * 83 * 32mm / 6.3 * 3.3 * 1.3in
Item weight: 195g / 6.9ounce
Package size: 190 * 140 * 45mm / 7.5 * 5.5 * 1.8in
Package weight: 370g / 13.1ounce
Multimeter specification:
DC voltage:
Range: 400mV/4V/40V/400V/1000V
Uncertainty: 0.75% rdg+10dgt
AC voltage:
Range: 400mV/4V/40V/400V/750V
Uncertainty: 1.0% rdg+10dgt
DC current:
Range: 40mA/400mA/4A/10A
Uncertainty: 1.2% rdg+10dgt
AC current:
Range: 40mA/400mA/4A/10A
Uncertainty: 1.5% rdg+10dgt
Resistance:
Range: 400.0Ω~40.00MΩ
Uncertainty: 1.0% rdg+5dgt
Capacitance:
Range: 0.1nF~100, 10.00mF
Uncertainty: 2.0% rdg+10dgt
Frequency:
Range: 5Hz~10MHz
Uncertainty: 1.0% rdg+5dgt
Duty cycle:
Range: 0.1%~99.9%
Uncertainty: 1.0% rdg+5dgt
Diode test: voltage is about 5V, test current is about 1.5mA
Continuity test: judgment resistance about:<50Ω beep
Fuse specifications: 500mA/250V, 10A/250V
Packing List:
1 * Graphical Multimeter
1 * Pair of Test Pens
1 * Protective Bag
1 * User Manual
Type 2
This KKmoon professional oscilloscope has 320 * 240 LCD screen, so you can see the data more clearly, the backlight id adjustable, you can change it in different occasion, it also has 4 speeds of square wa-ve signal output function, and in small size, so you can take it to anywhere you want to use it. Come on and try it.
Features:
With 320 * 240 LCD screen, so you can see the data more clearly.
With 120MHz ana-log bandwidth and 500MS/s sampling rate.
With the function of 4 speeds of square wa-ve signal output: 1kHz,10KHz,100KHz,1MHz.
12 kinds of parameter measurement: Vpp, Vrms, Vavg, Vp, Vmax, Vmin,F,T,T+,T-. Du+, Du-.
Functions: one ke-y oscilloscope, three scan modes: auto, normal and single, 12 kinds of test data, can store 2500 waveforms, support thumbnail browsing.
Waveform parameters such as time base, amplitude and trigger slope can be set by themselves.
Silicone protective cover on both sides of the fuselage, anti-slip, anti-fall and shockproof, comfortable to feel.
Small size and light, so you can take it to anywhere you want to use it.
Specifications:
Material: ABS
Screen: 320 * 240 LCD screen
Impedance:
*1: 1MΩ
*10: 10MΩ
Storage: 2500 DSO waveforms
Use condition: 0C~ +40℃, < 75%RH
Storoge condition: -10C~ +60℃, < 90%RH
Vertical resolution: 8 bits
Vertical accuracy: ±(5%+ 0.2div)
Voltage accuracy:10%
Frequency accuracy:1%
Trigger level: ±3.8div (0. 1div per step)
Trigger position: ± 6div (0. 1div per step)
Time base range: 6ns/div ~ 50s/div
Scan mode: auto, single, normal
Battery: 1 * 18650 lithium battery (included)
Record length: 12div
Package size: 190 * 140 * 45mm / 7.5 * 5.5 * 1.8in
Package weight: 390g / 13.8ounce
Packing list:
1 * Oscilloscope
1 * Probe
1 * User Manual
1 * USB Cable
Shipping:
1.We guarantee to ship goods out within 24-72 hour after payment confirmation except holiday.
2.We ship by China post,HKpost EMS,DHL,Fedex,according to your choice when placing orders .
3.If you didn't receive the item after 45 days,please feel free to contact us.We will make all our effort to resolve the problem.
4.We are not responsible for delays causedby the customs,Import duties,taxes or other customscharges.
Warranty:
1.All items have 1 year guarantee.IF your purchase do not meet merchantable quality, fitness for purpose or match the description, We can make sure your issues are resolved .
2.For wrongly-shipped items, Please contact us in 48 hours after delivery.We will arrange to deliver the correct items or return all your payment.
3.For defective or faulty products,please take photos or videos,we would resend or refund after confirmation.
We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.
Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.
Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.
We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.
Shipping time varies by location. These are our estimates:
Location | *Estimated Shipping Time |
---|---|
United States | 10-30 Business days |
Canada, Europe | 10-30 Business days |
Australia, New Zealand | 10-30 Business days |
Central & South America | 15-30 Business days |
Yes, you will receive an email once your order ships that contains your tracking information.
For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.
For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.
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Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.
If you did not receive the product within the guaranteed time(45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.
*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page
If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.
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