---
product_id: 498942580
title: "SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5\" Dial Size, 1/4\" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, Car AC, HVAC, Air Pump Vacuum Test"
brand: "senctrl"
price: "A$83"
currency: AUD
in_stock: false
reviews_count: 5
category: "Senctrl"
url: https://www.desertcart.com.au/products/498942580-senctrl-30-inhg-vacuum-silicone-oil-liquid-filled-low-pressure
store_origin: AU
region: Australia
---

# IP67 waterproof, fog-free clear dial Operates -40 to 140℉ with silicone oil damping 304 Stainless Steel corrosion-resistant case SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, Car AC, HVAC, Air Pump Vacuum Test

**Brand:** senctrl
**Price:** A$83
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Master your vacuum game with precision and durability!

## Quick Answers

- **What is this?** SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, Car AC, HVAC, Air Pump Vacuum Test by senctrl
- **How much does it cost?** A$83 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/498942580-senctrl-30-inhg-vacuum-silicone-oil-liquid-filled-low-pressure)

## Best For

- senctrl enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Compatibility:** 1/4" NPT lower mount fits standard HVAC, car AC, and vacuum pump setups for effortless integration.
- • **Precision You Can Trust:** Dual scale (-30-0 inHg / -100-0 kPa) with ±3% accuracy ensures reliable vacuum readings every time.
- • **Built to Brave the Elements:** Silicone oil-filled gauge performs flawlessly in extreme temperatures from -40℉ to 140℉, perfect for outdoor pros.
- • **Vibration-Proof Performance:** Liquid-filled design eliminates pointer flutter, protecting internal mechanics during intense HVAC or automotive use.
- • **Corrosion-Resistant Durability:** 304 stainless steel case and brass wetted parts resist corrosion, extending tool life in harsh environments.

## Overview

The SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge features a rugged 2.5" stainless steel dial, dual scale measurement with ±3% accuracy, and IP67 waterproof rating. Its silicone oil damping ensures stable readings in extreme temperatures (-40℉ to 140℉), making it ideal for HVAC, automotive AC, and vacuum testing applications. Designed for professionals demanding reliable, corrosion-resistant performance in any environment.

## Description

Brass and Stainless Steel wetted parts for measuring non-corrosive liquid and gas pressure. Such as coolant, co2, water, oil, air, fuel pressure test. Compatible with air conditioning line repair, co2 tank, hvac tools, car air pump, pipe, tube vacuum test and etc.. Circular dial is enclosed in a 304 stainless steel case for corrosion resistance. Liquid filled inhibits pointer flutter and prevents damage to the internal mechanics from vibration and pulsation. Silicone oil ensures long-term work in low temperature(-40~140℉/-40~60℃) and suits for most outdoor conditions and seasons. Measures pressure with dual scale (-30-0 inHg/-100-0 kPa). Display accuracy is + or - 3/2/3% over the entire range of the gauge IP65 waterproof prevent condensation inside caused fogging of the window. Offer clear reading.

Review: This is a well made gage, the price is exceptional and the quality is very good. It's easy to install and read, large enough, not too big, overall I recommend!
Review: Excellent quality gauge. Extremely good quality 👌

## Features

- Brass and Stainless Steel wetted parts for measuring non-corrosive liquid and gas pressure. Such as coolant, co2, water, oil, air, fuel pressure test. Compatible with air conditioning line repair, co2 tank, hvac tools, car air pump, pipe, tube vacuum test and etc..
- Circular dial is enclosed in a 304 stainless steel case for corrosion resistance. Liquid filled inhibits pointer flutter and prevents damage to the internal mechanics from vibration and pulsation.
- Silicone oil ensures long-term work in low temperature(-40~140℉/-40~60℃) and suits for most outdoor conditions and seasons.
- Measures pressure with dual scale (-30-0 inHg/-100-0 kPa). Display accuracy is + or - 3/2/3% over the entire range of the gauge.
- IP67 waterproof prevent condensation inside caused fogging of the window. Offer clear reading.
- Lower mount male connection with 1/4" NPT thread.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BCYMT1RT |
| Are batteries included? | No |
| Best Sellers Rank | #381,808 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #371 in Car Instrument Panel Gauges |
| Brand | senctrl |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,299) |
| Date First Available | 5 November 2022 |
| Display Size | 2.5 Inches |
| Included Components | Vacuum Gauge |
| Item Weight | 168 g |
| Item part number | Y.6TSL04 |
| Manufacturer | SENCTRL |
| Number of Memory Sticks | 1 |
| Package Dimensions | 8.89 x 7.19 x 3.61 cm; 168 g |

## Product Details

- **Brand:** senctrl
- **Item Weight:** 0.17 Kilograms
- **Manufacturer:** SENCTRL
- **Material:** Stainless Steel

## Images

![SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, Car AC, HVAC, Air Pump Vacuum Test - Image 1](https://m.media-amazon.com/images/I/411t0U6lMeL.jpg)
![SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, Car AC, HVAC, Air Pump Vacuum Test - Image 2](https://m.media-amazon.com/images/I/413YZjoBmBL.jpg)
![SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, Car AC, HVAC, Air Pump Vacuum Test - Image 3](https://m.media-amazon.com/images/I/41dqp-yiXjL.jpg)
![SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, Car AC, HVAC, Air Pump Vacuum Test - Image 4](https://m.media-amazon.com/images/I/41xzFgPQ0-L.jpg)
![SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, Car AC, HVAC, Air Pump Vacuum Test - Image 5](https://m.media-amazon.com/images/I/41zAXXOTTrL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***N on 11 November 2025*

This is a well made gage, the price is exceptional and the quality is very good. It's easy to install and read, large enough, not too big, overall I recommend!

### ⭐⭐⭐⭐⭐ Review
*by L***L on 31 October 2024*

Excellent quality gauge. Extremely good quality 👌

### ⭐⭐⭐⭐⭐ Review
*by R***. on 22 October 2025*

Exactly what I needed! Good quality

## Frequently Bought Together

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-10*