--- product_id: 613358251 title: "Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch" brand: "himrsbuy" price: "B/.17" currency: PAB in_stock: false reviews_count: 1 url: https://www.desertcart.com.pa/products/613358251-air-differential-pressure-switch-20-200pa-adjustable-micro-pressure-air store_origin: PA region: Panama --- # Visual set point adjustment 20-200Pa ultra-sensitive range -30°C to 85°C operating temp Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch **Brand:** himrsbuy **Price:** B/.17 **Availability:** ❌ Out of Stock ## Summary > ⚡ Elevate your airflow game with precision you can see and trust! ## Quick Answers - **What is this?** Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch by himrsbuy - **How much does it cost?** B/.17 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/613358251-air-differential-pressure-switch-20-200pa-adjustable-micro-pressure-air) ## Best For - himrsbuy enthusiasts ## Why This Product - Trusted himrsbuy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Long-lasting Durability:** Built to endure over 1 million switching cycles, ensuring years of stable, maintenance-free operation. - • **Robust Industrial Grade:** Operates reliably from freezing -30°C to scorching 85°C, perfect for demanding environments. - • **Versatile Compatibility:** Fits seamlessly with air, non-aggressive gases, and multiple connector options for flexible installation. - • **Precision Pressure Control:** Detects micro pressure changes with ±1% repeatability for flawless HVAC performance. - • **Effortless Visual Adjustment:** Quickly set your desired pressure point with an intuitive, easy-to-see dial—no guesswork needed. ## Overview The Himrsbuy Air Differential Pressure Switch offers ultra-sensitive detection within a 20-200Pa range, featuring a user-friendly visual set point adjustment. Designed for HVAC and industrial refrigeration systems, it supports air and non-aggressive gases, operates reliably between -30°C and 85°C, and boasts a service life exceeding 1 million switching cycles—making it the go-to choice for professionals demanding precision and durability. ## Description Himrsbuy p Installation is quick and easy, both vertical and horizontalp extremely high adjustment accuracyp and stable operationSuitable for medium: air, non- gas.Range: 20-200PaAccuracy : Repeatability 106 switching cyclescolour:GrayMaterial:plasticsize:81*53mmPackage Contents:1*Micro- differential pressure switchOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Review: Chinese instructions only - Instructions in Chinese only ## Features - This switch is capable of feeling a small change of pressure and widely used to control aerator flow, to monitor and fan and air conditioning. It is also suitable for protection against overheating and frost protection in the industrial refrigeration system. Due to its exceptional design, the set point can be adjusted visually - Pressure connection: 6.2mm Internal thread tube or G1 / 8 (optional if the hole) - Electrical connection: screw terminals AMP6.3mm connector; AMP4.8mm connector - This pressure switch is mainly used in ventilation and air conditioning systems to control the air flow in the air ducts, as well as in filters, ailerons and fans. They are suitable for air and other non- and non-aggressive gases. - Operating temperature: -30Celsius 85Celsius (overpressure 5000 Pa) ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Himrsbuy | | Part Number | 191589A1 | | Product Dimensions | 11 x 11 x 9 cm; 192.5 g | | Manufacturer reference | 191589A1 | | Size | 20-200Pa | | Colour | Gray | | Material | Plastic | | Item Package Quantity | 1 | | Switch Type | 1-way | | Plug profile | Panel Mount | | Switch style | Pressure Switch | | Batteries Required? | No | | Item Weight | 193 g | ## Product Details - **Operation mode:** automatic - **Contact type:** Normally Closed - **Connector type:** Screws - **Brand:** Himrsbuy - **Terminal:** Screw - **Item dimensions L x W x H:** 11 x 11 x 9 centimetres - **Circuit type:** 1-way - **Mounting type:** Panel Mount - **Actuator type:** Rotary - **Contact material:** Plastic ## Images ![Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch - Image 1](https://m.media-amazon.com/images/I/618vJph5ZdL.jpg) ![Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch - Image 2](https://m.media-amazon.com/images/I/715N5tT-0GL.jpg) ![Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch - Image 3](https://m.media-amazon.com/images/I/71A3trxeTJL.jpg) ![Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch - Image 4](https://m.media-amazon.com/images/I/51SqeJTt+qS.jpg) ![Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch - Image 5](https://m.media-amazon.com/images/I/71ZWtLn7IxL.jpg) ## Customer Reviews ### ⭐ Chinese instructions only *by T***N on 16 March 2025* Instructions in Chinese only ## Frequently Bought Together - Himrsbuy Air Differential Pressure Switch 20-200Pa Adjustable Micro- Pressure Air Switch - WATFOERS Air Differential Pressure Switch 20-200Pa Adjustable - Pressure Air Switch, Gray - Wobekuy Differential Pressure Switch 20-200Pa Adjustable - Pressure Switch --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.pa/products/613358251-air-differential-pressure-switch-20-200pa-adjustable-micro-pressure-air](https://www.desertcart.com.pa/products/613358251-air-differential-pressure-switch-20-200pa-adjustable-micro-pressure-air) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-07-12*