KNACRO 4-20mA Signal Generator, DC 7-30V Constant Current Source, Stable Signal Source with 0.01mA Adjustable Potentiometer, Voltage, Current LED Display
Product Overview
- Access to power to send 4-20MA industry standard constant current source control signal output, the number shows the output current mA, the accuracy of a decimal point. Within the design of a variety of protection circuit, the output signal is pure, the whole Machine performance is stable and reliable
- Wiring easy maintenance, the use of two 5.08MM pitch male and female socket wiring. Screw terminals than the conventional screw only easier to maintain and wiring. The middle of the safety interval bits reserved for safer
- Use long life, high wear-resistant multi-turn wire potentiometer, high precision.
- Power input to prevent the reverse protection, self-recovery fuse protection. Signal output lightning protection ESD electrostatic protection, anti-jamming protection. Standard header shell, easy installation.
- Widely used in: inverter control, PLC debugging, valve regulation, instrumentation testing, LED testing, analog transmitter output, signal generator, etc .. Table shell, easy installation
- Free 30-Day Returns
- Full Refund for Damaged or Incorrect Items
- Guaranteed Delivery or Money Back
- Secure Checkout & Fast Support
Product Overview
- Access to power to send 4-20MA industry standard constant current source control signal output, the number shows the output current mA, the accuracy of a decimal point. Within the design of a variety of protection circuit, the output signal is pure, the whole Machine performance is stable and reliable
- Wiring easy maintenance, the use of two 5.08MM pitch male and female socket wiring. Screw terminals than the conventional screw only easier to maintain and wiring. The middle of the safety interval bits reserved for safer
- Use long life, high wear-resistant multi-turn wire potentiometer, high precision.
- Power input to prevent the reverse protection, self-recovery fuse protection. Signal output lightning protection ESD electrostatic protection, anti-jamming protection. Standard header shell, easy installation.
- Widely used in: inverter control, PLC debugging, valve regulation, instrumentation testing, LED testing, analog transmitter output, signal generator, etc .. Table shell, easy installation
Supply current To ensure the stability of the system, the power supply terminal of the product must have a current output capability of at least 150MA.
Output ripple : <30MV.
The highest output voltage: input supply voltage -0.9V.
The minimum output voltage: 0V (equivalent to two output lines direct short-circuit state)
Constant current average reaction time: real-time feedback control, fast.
The minimum static power consumption: 1.728W (72MA / 24V,) output vacant
Maximum working output power consumption: 2.16W (90MA / 24V) maximum output.
Output current limit adjustment range: 3.3MA-21MA.
Output current regulation control accuracy 0.1MA.
Temperature offset accuracy: 3%
Humidity drift accuracy: 2%
Use 0.56 inches of high-brightness long-life digital display to ensure long-range, strong light display.
Head shell dimensions: length 79MM * high 43MM * thick 48MM (+12 MM +25MM knob knob.)
Chassis installation hole size: 76 * 39MM
Shell color: gray
Color film window Specifications: dark purple 65 * 20MM
Digital size: 0.56 inches digital tube
Net weight of 85G.
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
| Shipping Method | Estimated Delivery | Cost |
|---|---|---|
| Free Shipping (US) | 5–10 business days | Free, available on eligible items |
| Standard Shipping (US to US by Item) | 5–10 business days | $5.95 for the first item, $3.00 each additional |
| Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
| Extended Delivery (Ships from Overseas Warehouse) | 10–20 business days | $14.50 for the first item, $2.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
- Email: support@ibspot.com
- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
- The item must be unused, in the same condition as received, and in its original packaging.
- A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
- Perishable goods (for example, food, flowers, newspapers, magazines)
- Intimate or sanitary goods
- Hazardous materials or flammable liquids/gases
- Gift cards
- Downloadable software
- Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
- Books with obvious signs of use
- Opened CDs, DVDs, software, or vinyl records
- Items not in their original condition, damaged, or missing parts not due to our error
- Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We will provide a free return shipping label.
If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
- In-store returns are refunded to the original form of payment or issued as a gift card.
- Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
- 5–7 business days for the return to reach our Returns Center.
- An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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