Description
Frequency range: 1Hz-50MHz(in fact, it can work up to 78MHz)
Four or five digits resolution (display for example, x.xxx KHz, x.xxx MHz, or xx.xx MHz)
Automatic range switching with different gate times
Programmable addition or subtraction of the frequency offset
Input impedance: 1.1M, in parallel with about 10pF
Input sensitivity: tipcally less than 20mV RMS from 1Hz-100KHz, rising to 35mV at 20MHz and 75mV at 50MHz (150mV at 78MHz)
Current consumption: 50mA with 7 to 9V input
Optional (configurable) power-saving mode which automatically turns the display off if the frequency didn't change significantly within 15s
Specifications:
Type: Assembled Tester / DIY Kit
Frequency Range: 1Hz-50MHz
Input Impedance: 1.1M, in parallel with about 10pF
Resolution: Max. 1Hz
Current Consumption: 50mA with 7 to 9V Input
Input Socket: BNC
Display: LED Digital Display
PCB Size: 79 * 62mm / 3.1 * 2.44in
Bill Of Materials
Resistors(0.25W, 1%)
8 R1-R8 1k
2 R9, R15 10k
1 R10 100k
1 R11 1M
1 R12 220
1 R13 56k * According to the different batches of C3355, the resistance may change
1 R14 470
Capacitors:
1 C1 470n Polypropylene
1 C2 100p Ceramic
2 C3 C5 100n Polypropylene
1 C4 47u Electrolytic
2 C6, C8 10u Electrolytic
1 C7 6-40p Variable
2 C14, C15 22p Ceramic
Integrated Circuits
1 U1 PIC16F628A (Programmed) + 18pin IC socket
1 U2 LM1117-5V SMD
Transistors:
1 Q1 C945
1 Q2 J310
1 Q3 C3355
Diodes:
6 D1-D6 1N4148
1 D7 1N5819
Miscellaneous:
1 J1 16Pin SIL Socket & header
1 J2 BNC Socket
1 J3 DC_CZ_ZM DC adapter socket
1 SW1 AN_SW Push button switch
1 SW2 SW2X2 Push button switch
1 X1 Crystal 20MHz
2 SG1-SG2 Red 2digit common cathode 7-segment display
1 SG3 Red 1digit common cathode 7-segment display
1 Main PCB
1 Display PCB
2 Copper Pillar +Screw +Spring Washer
Assembly Diagram:
https://www.dropbox.com/s/0yjnpjtfp7htck2/Aassembly%20diagram%20for%20E1822.pdf?dl=0
Bill of Materials:
https://www.dropbox.com/s/o5g7abvwuk7fswp/Bill%20of%20materials%20for%20E1822.pdf?dl=0
User Manual:
https://www.dropbox.com/s/nrpzdw4nzp5n5cx/The%20main%20features%20of%20E1822.pdf?dl=0
Package included:
1 x Frequency Meter
Shipping Policy
Shipping Policy
Thank you for shopping at Uniqkart! We are committed to delivering your orders in a timely and efficient manner. Please read our shipping policy below to understand our procedures and timelines.
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We currently ship to addresses within India.
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We offer free shipping on all orders, regardless of size or value.
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Handling Time: Orders are typically processed within 2–4 business days.
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Transit Time: Once shipped, delivery within India usually takes 14–16 business days.
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Estimated Delivery Time: The total estimated time from order confirmation to delivery is 18–20 business days.
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Order Cut-off Time: Orders placed after 5:00 PM IST will be processed on the next business day.
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📞 +91 94887 43306
We’ll coordinate with carriers to resolve issues quickly.
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We’ll work with the carrier to arrange replacements or refunds.
8. Contact Us
For any questions:
📧 support@uniqkart.in
📞 +91 94887 43306
Business Hours:
Monday - Friday: 10:00 AM - 5:00 PM (IST)
Saturday: 10:00 AM - 4:00 PM (IST)
Sunday: Closed
Address:
63/15, Vasantha Road, Anna Nagar, Dharapuram, Tiruppur, Tamil Nadu, 638656
Return & Refund
Return and Refund Policy
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Returns accepted within 14 days of receiving the order.
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Items must be unused, unworn, and in original packaging with tags intact.
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2. Non-Returnable Items
Returns are not accepted for:
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Intimate products due to hygiene reasons
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Follow the return instructions provided by our support team.
Return Shipping:
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Customer Responsibility: Customers bear return shipping costs unless the item is damaged, defective, or incorrect.
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Uniqkart Responsibility: If the item is damaged or incorrect, we cover return shipping and provide a prepaid label or arrange pickup.
We recommend using a trackable service and insuring the shipment. We are not responsible for lost or damaged returns in transit.
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Items will be inspected upon receipt for eligibility.
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Approved returns will be processed for a refund or exchange.
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Refunds are issued to the original payment method.
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Allow 7–10 business days after approval for processing.
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Original shipping charges are non-refundable, unless the item was faulty or incorrect.
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Exchanges are accepted for all products, whether due to damage, defect, incorrect item, or if you want a different size or color.
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Please contact our support team for assistance with your exchange request.
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Exchanges are subject to product availability.
7. Damaged or Defective Items
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Email us within 24-48 hours of delivery with order number, issue details, and clear photos.
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We’ll offer a replacement, full refund, or appropriate resolution.
8. Cancellations
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Orders can be cancelled before shipment.
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Once shipped, cancellation is not possible; please use the return process instead.
9. Contact Us
For any questions or concerns, reach out to us:
📧 Email: support@uniqkart.in
📞 Phone: +91 94887 43306
Business Hours:
Monday - Friday: 10:00 AM - 5:00 PM (IST)
Saturday: 10:00 AM - 4:00 PM (IST)
Sunday: Closed
Address:
63/15, Vasantha Road, Anna Nagar, Dharapuram, Tiruppur, Tamil Nadu, 638656
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