---
product_id: 91532082
title: "KELLER PA-21Y / 400BAR / 81478.33/0-5V Pressure Sensor, -40 to 100°C, 400 bar, Gauge, G1/4 (1/4\" BSP), Voltage, 28 VDC"
brand: "keller"
price: "R113"
currency: ZAR
in_stock: false
url: https://www.desertcart.co.za/products/91532082-keller-pa-21y-400bar-81478-33-0-5v-pressure-sensor
store_origin: ZA
region: South Africa
---

# Stable 0-5V voltage output Robust stainless steel body Ultra-fast piezoresistive response KELLER PA-21Y / 400BAR / 81478.33/0-5V Pressure Sensor, -40 to 100°C, 400 bar, Gauge, G1/4 (1/4" BSP), Voltage, 28 VDC

**Brand:** keller
**Price:** R113
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Elevate your pressure sensing game with precision and durability!

## Quick Answers

- **What is this?** KELLER PA-21Y / 400BAR / 81478.33/0-5V Pressure Sensor, -40 to 100°C, 400 bar, Gauge, G1/4 (1/4" BSP), Voltage, 28 VDC by keller
- **How much does it cost?** R113 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/91532082-keller-pa-21y-400bar-81478-33-0-5v-pressure-sensor)

## Best For

- keller enthusiasts

## Why This Product

- Trusted keller brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Durable stainless steel construction ensures longevity and resistance to harsh environments.
- • **Seamless Integration:** Standard G1/4 BSP port and 0-5V voltage output make installation and compatibility effortless.
- • **Wide Temperature Range:** Operates flawlessly from -40°C to 100°C, perfect for demanding industrial applications.
- • **Precision at Peak Pressure:** Handles up to 400 bar with minimal hysteresis (0.5) for reliable readings under extreme conditions.
- • **Power Efficient Performance:** Optimized for 28 VDC supply, balancing power use with high accuracy.

## Overview

The KELLER PA-21Y pressure sensor delivers high-accuracy gauge pressure measurement up to 400 bar, featuring a rugged stainless steel body and a reliable 0-5V voltage output. Designed for demanding environments, it operates across a broad temperature range (-40 to 100°C) and integrates easily via a standard G1/4 BSP port, making it the go-to choice for professionals seeking precision and durability in industrial pressure sensing.

## Description

KELLER PA-21Y / 400BAR / 81478.33 / 0-5V Pressure Sensor, -40 to 100°C, 400 bar, Gauge, G1/4 (1/4" BSP), Voltage, 28 VDC

## Features

- Price For: EachOrder Unit: Each Operating Pressure Max: 400bar Pressure Measurement Type: Gauge Port Style: G1/4 (1/4" BSP) Sensor Output: Voltage Voltage Rating: 28VDC Supply Current: - Product Range: - Output: Voltage Pressure Sensor Type: Piezoresistive Transmitter Body Material: Stainless Steel Supply Voltage DC Max: 28 Operating Pressure Min: 0
- Hysteresis: 0.5 Pressure Max: 400 SVHC: To Be Advised

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | KELLER |
| Part number | PA-21Y / 400BAR / 81478.33 / 0-5V |
| Manufacturer reference | PA-21Y / 400BAR / 81478.33 / 0-5V |

## Images

![KELLER PA-21Y / 400BAR / 81478.33/0-5V Pressure Sensor, -40 to 100°C, 400 bar, Gauge, G1/4 (1/4" BSP), Voltage, 28 VDC - Image 1](https://m.media-amazon.com/images/I/11q2WrEs6DL.jpg)

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**Shop now:** [https://www.desertcart.co.za/products/91532082-keller-pa-21y-400bar-81478-33-0-5v-pressure-sensor](https://www.desertcart.co.za/products/91532082-keller-pa-21y-400bar-81478-33-0-5v-pressure-sensor)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-04-24*