SN

Item

Parameters

Description

1

Jitter inherent frequency

A type 730~745Hz

B type 695~710Hz

C type 645~665Hz

2

Accuracy range and grade classification

<0.008°/h

Ultra-precision grade

<0.010°/h

High Precision Grade 1

<0.015°/h

High Precision Grade 2

3

Scale factor

3.64 arcsec/pulse (original pulse)

1.82 arcsec/pulse (2x frequency)

4

Scale factor error

<0.002°/h/gauss

5

Scale factor error (repeatability, non-linearity)

<6ppm

6

Zero bias repeatability

<0.0030°/h

7

Random walk factor

<0.0030 °/√h

8

Magnetic sensitivity

<0.0030 °/h/Gs

9

Temperature sensitivity

<0.06°/h (full temperature range extreme)

10

Lifetime

>45,000 hours (powered operation); >22 years (storage)

11

Random vibration

9grms (normal operation, slight decrease in accuracy)

18grms (no damage)

12

Overload

>50g (working normally, zero bias slightly increased)

13

Operating temperature

-40~+70°C

14

Storage Temperature

-50~+80 °C

15

Temperature change rate

not more than 5℃/min is recommended, and it can withstand hundreds of temperature cycles without damage.

16

One time continuous working time

more than 73h

17

Start-up time

less than 15s

18

Suggested starting voltage

3000~3500V (pulse width>300ms)

19

Best current stabiliation value (single arm)

0.55mA

20

Number of frequency stabiliation modes

6~8 (300V)

21

Recommended parameters for chuck small jitter

6V peak to peak, 2.3K frequency

22

Input axis misalignment angle

<7′