Speed Sensor

TQG19A  Speed Sensor

Application

TQG19A speed sensor is a single channel Hall speed sensor, and it is installed to the case or case cover of transmission gear, the tested rotary object is magnetic conductibility gear whose module is equal to 1.25. It is composed of permanent-magnet steel, magnetic energy converter, amplifier shaping circuit, shell, shield cable, connector, etc. Output signal is square wave, adapting operation with other speed measuring control equipment in the various transport facilities. The sensor can detect the rotational speed of slewing gear and the speed of transport and communication facilities, applicable to various transport facilities.

Features

Wide temperature accommodation

Wide speed measuring range

Strong shock resistance

Good tightness

Non-contact with tested gear, without abrasion

Convenient installation, simple and reliable

Main Technical data

Operating temperature:         -25℃~+85℃

Supply voltage:               12VDC~30VDC

Frequency range:              1.83Hz~2500Hz

Air gap:                      0.4mm~1.4mm,Standard installation value:0.9mm

Gear:                        m=1.25,number of teeth z=110,material: magnetic mild steel

Output waveform:              Square wave

Output channels:               1

Load resistance:                ≥950Ω

Output voltage range (load =3 KΩ):High level VH≥0.8Vcc,low level VL≤2.0V;

                              Static output VB=6 VDC ~8VDC

Pulse duty cycle:               50%±25%

Current consumption without load: ≤35mA

Insulation resistance:            ≥20MΩ(500V megameter)

Dielectric strength:              500V/50Hz/60s

Polarity protection:              yes

Short circuit protection:           yes

Vibration and shock:             Vibration: 30g;Shock:: 100g

Electric interface:               10-pin heavy-duty connector

The definition of cable & connector output function

Installation\operation and malfunction disposal

n We have already considered the terminal protection during the ex-work package of the sensor, please take out the protecting cover when installation, and install the protecting cover when not using the sensor;

n Forbidden contact between terminals; otherwise the permanent-magnet would be demagnetized greatly, even damaged.

n Output wire distribution as per the definition strictly, and ensure it correct, without short and open circuit;

n Strong recommend the air gap between gear and the head of sensor is adjusted to 0.9mm,after adjusting the air gap, tighten these four fixed screws;

n Before the sensor not installed to speed measuring end cover, power connection, static output should be 6VDC ~8VDC, use ferromagnetic slice to contact or leave the head of sensor, if there are high or low level changes, which means normal;  

n At normal operation, there are no change of sensor output level (high or low), which means the sensor is damaged. Disposal method: change the sensor.

Outline and installation drawing