Small-Size (21.4mm) DTG Gyroscope

ER-DTG-E1 Features:
Strong shock resistance;
Very small Size;
Widely used in gyro borehole survey tools and well logging tools;
Dynamical orientation and positioning;

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Small-Size Dynamically Tuned Gyro
Product Details


ER-DTG-E1 Small-Size (21.4mm) DTG Gyroscope

Introduction

ER-DTG-E1 is designed for dynamical positioning and orientation in the drilling field, with small dimension, light weight, and high working temperature, was mainly used in borehole gyro survey tools, wellbore logging tools, and many other system for north seeking or orientation.


Features

Strong shock resistance;

Very small Size;

Widely used in gyro borehole survey tools and well logging tools;

Dynamical orientation and positioning;


Specifications :

No.

Item

Specification

1

Dimensions

Φ21.4×30

21.5×21.5( Flange)

2

Weight

<45g

3

Motor Power Supply

12V 500Hz three-phase sine   wave or square wave

Power Consumption ≤3W

4

Motor starting time

≤1.5s (normal temperature)

≤12 s (-55 °C);

≤4 s (above -20 °C)

5

Annunciator power supply

3.5V 8kHz single-phase   sine wave

Power consumption ≤0.1W

6

Range

±200°/s

7

Random Drift

0.3-0.8°/h (σ)

8

Drift Repeatability

1-1.5°/h (σ)

9

Torque scale factor

≥1600（°/h）/mA or ≤1.7 mA/（°/s）

10

G-independent

60°-120 °/h

11

G-dependent

10-15（°/h）/g

12

Rate Linearity

≤0.15％(F*S)

13

Cross Coupling

≤0.2%

14

Operating Temperature

-45℃～+70℃

15

Vibration Power Density

0.12 g2/Hz

16

Shock

150 g 6 ms

17

Lifetime

≤2000 h


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