---
product_id: 316881928
title: "OTC Tools 4278 100 GPM Hydraulic Flow Meter"
brand: "otc"
price: "RM100686"
currency: MYR
in_stock: true
url: https://www.desertcart.com.my/products/316881928-otc-tools-4278-100-gpm-hydraulic-flow-meter
store_origin: MY
region: Malaysia
---

# ±1% flow accuracy 6000 PSI pressure rating 100 GPM max flow capacity OTC Tools 4278 100 GPM Hydraulic Flow Meter

**Brand:** otc
**Price:** RM100686
**Availability:** ✅ In Stock

## Summary

> ⚡ Master your hydraulic flow with pinpoint precision — don’t get left behind!

## Quick Answers

- **What is this?** OTC Tools 4278 100 GPM Hydraulic Flow Meter by otc
- **How much does it cost?** RM100686 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.my](https://www.desertcart.com.my/products/316881928-otc-tools-4278-100-gpm-hydraulic-flow-meter)

## Best For

- otc enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Compact:** Lightweight 6.35 kg design with rugged construction, perfect for on-the-go technicians who demand reliability.
- • **Safety-First Design:** Standard burst disc protection prevents costly hydraulic fluid spills during overpressure events.
- • **Robust Pressure Handling:** Withstand pressures up to 6,000 PSI, built tough for the most demanding industrial environments.
- • **Precision Flow Measurement:** Achieve ultra-accurate readings with ±1% flow accuracy, ensuring your hydraulic systems run flawlessly.
- • **Bi-Directional Flow Capability:** Measure flow in both directions seamlessly, giving you versatile diagnostics on any hydraulic circuit.

## Overview

The OTC Tools 4278 Hydraulic Flow Meter delivers professional-grade accuracy and durability, measuring hydraulic flow rates from 2.5 to 100 GPM with ±1% precision. Rated for pressures up to 6,000 PSI and temperatures up to 250°F, it features bi-directional flow measurement and built-in safety burst disc protection, making it an essential tool for technicians who demand reliable, high-performance diagnostics.

## Description

OTC Tools 4278 100 GPM Hydraulic Flow Meter : desertcart.ae: Automotive

## Features

- Tests hydraulic oil circuits on your machinery with high accuracy and measures flow from 2.5 to 100 gpm
- Flow accuracy to +/- 1 percent of indicated value and pressure accuracy of +/- 1.6 percent of full scale
- Pressure range up to 6,000 psi and temperatures up to 250 deg F
- Standard burst disc protection system prevents spillage of hydraulic fluid in the event of an overpressure condition
- Accommodates bi-directional flow, reads flow in both directions, pressure on the high side of valve and Port is 1-5/16" -12UN #16 SAE ORB

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B01A8Q3GQ0 |
| Best Sellers Rank | #56 in Automotive Pressure & Vacuum Testers |
| Date First Available | 1 January 2024 |
| Item Model Number | 4278 |
| Manufacturer | OTC Tools |
| Product Dimensions | 24 x 19.99 x 19.76 cm; 6.35 kg |

## Images

![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 1](https://m.media-amazon.com/images/I/916xPvR6KpL.jpg)
![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 2](https://m.media-amazon.com/images/I/81h5tWDGttL.jpg)
![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 3](https://m.media-amazon.com/images/I/917xRem7NLL.jpg)
![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 4](https://m.media-amazon.com/images/I/81RGjT0cEHL.jpg)
![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 5](https://m.media-amazon.com/images/I/914wnYZ6cmL.jpg)

## Frequently Bought Together

- OTC Tools 4278 100 GPM Hydraulic Flow Meter
- Lisle 37960 Electrical Disconnect Pliers
- Lisle 70500 Tap Socket Set

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**Shop now:** [https://www.desertcart.com.my/products/316881928-otc-tools-4278-100-gpm-hydraulic-flow-meter](https://www.desertcart.com.my/products/316881928-otc-tools-4278-100-gpm-hydraulic-flow-meter)

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*Product available on Desertcart Malaysia*
*Store origin: MY*
*Last updated: 2026-09-25*