# Delock 91870 Slot Sensor 5 mm Type R NPN Light/Dark Switchable 2 m Cable

**URL:** https://aio.lv/en/product--delock-91870--12583253
**Data updated:** 2026-07-16 19:13 (EEST)
**Category:** Other goods
**Manufacturer:** DELOCK
**Manufacturer code:** 91870
**EAN:** 4043619918706
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 25.49 €
**Prices and availability valid until:** 2026-08-16 23:59
**Price without VAT (21%):** 21.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--delock-91870--12583253

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.08.2026 | free |
| Pickup points | 19.08.2026 | 1.79 EUR |
| Courier delivery to door | 19.08.2026 | 4.99 EUR |

## Summary description

The Delock 91870 is a 5 mm slot sensor (Type R) designed for precise object detection in industrial automation. It features NPN output, switchable light/dark (L/D) operation, and comes with a 2-meter cable with 4 open wire ends. This sensor is ideal for counting, positioning, and monitoring tasks in various electronic and mechanical applications, offering reliable performance and easy integration into existing control systems.

## Long description

The Delock 91870 is a high-precision 5 mm slot sensor, specifically engineered for reliable object detection within industrial automation environments. This Type R sensor utilizes an NPN output configuration and offers the flexibility of switchable light-on or dark-on operation, allowing it to adapt to diverse detection requirements. The unit is equipped with a durable 2-meter cable featuring four open wire ends, facilitating straightforward connection to various control systems and machinery.
Advantages
This slot sensor provides exceptional accuracy for high-speed detection tasks, ensuring consistent performance in demanding industrial settings. Its compact design allows for seamless integration into tight spaces where precise positioning or counting is required. The ability to switch between light and dark operation modes enhances its versatility, making it compatible with a wide range of materials and environmental conditions. Furthermore, the robust construction and integrated cable ensure long-term reliability and reduced maintenance needs in automated workflows.
Suitable for
Counting objects on conveyor belts
Precise positioning of mechanical components
Monitoring the presence of items in automated assembly lines
Edge detection for thin materials
When it may not be suitable
This sensor is not intended for use in environments with extreme temperatures or high levels of corrosive chemicals that exceed its specified operating parameters. It is also not suitable for detecting transparent or highly reflective objects without appropriate testing, as these materials may interfere with the optical beam path.
Key specifications
Slot width: 5 mm
Output type: NPN
Switching mode: Light/Dark switchable
Cable length: 2 meters
Connection: 4 open wire ends
How to use
To install the sensor, mount it securely in the desired location using the provided mounting holes, ensuring the object to be detected passes clearly through the 5 mm slot. Connect the four open wire ends to your control system according to the wiring diagram provided in the technical documentation. Once powered, select the desired operation mode—light-on or dark-on—using the integrated switch. Verify the sensor's response by passing an object through the slot and observing the output signal on your controller.
What to consider before purchase
Ensure the 5 mm slot width is sufficient for the objects you intend to detect.
Verify that your control system is compatible with NPN output signals.
Check that the 2-meter cable length is adequate for your installation layout.
Confirm the environmental conditions meet the sensor's operational requirements.
Usage recommendations
Regularly clean the optical surfaces within the slot using a soft, dry cloth to prevent dust or debris accumulation, which can lead to false triggering or reduced detection accuracy.

## FAQ

### How much does the Delock 91870 5 mm Slot Sensor Type R cost, and is it available for purchase?

The price is 25.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.08.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All DELOCK products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized DELOCK service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12583253/68953587_large.webp