DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

ZJ-3 Electric Tachometer

Category
Electronicial Instrument
Origin
China
ZJ-3 Electric Tachometer

Product Overview

DQ Marine supplies marine equipment and technical products for shipyards, vessel operators, offshore projects and industrial buyers worldwide.

Key Specifications

Category Electronicial Instrument
Model / SKU zj-3-electric-tachometer
Origin China

Technical Information

ZJ-3 Electric Tachometer Introduction

Model: ZJ-3

Measurement Accuracy: Grade 1.5

IP Class: IP 44

Installation: Flush type

Index Ratio: 1:1 or 1:2 or 2:1

Measurement Range: ±600r/min, 750r/min, ±750r/min, 1000r/min, ±1000r/min.

1500r/min, ±1500r/min, 2000r/min, ±2000r/min, 3000r/min, ±3000r/min.

Used for rotation speed measurement of engine.

Product Composition: ZJ-3 Electric Tachometer Sensor, ZJ-3 Electric Tachometer Indicator.

(One tachometer sensor can be connected to 1~4 indicator)