MINI Air Blown Micro Cable 2-24 Cores

1. colored optical fiber

2. Fiber paste

3. Grooves

Step 4 Tear the rope

5. Loosen the casing

6. HDPE outer sheath

Micro cable model

Gcyfxy-xxf (mte+od)

MTE1.8

MTE2.0

MTE2.3

MTE2.5

MTE2.8

Optical fiber core number

2～4

2～4

6～12

2～12

14～24

Thickness of HDPE outer sheath

Nominal: 0.20mm, minimum: 0.15mm

Nominal outer diameter

1.8mm

2.0mm

2.3mm

2.5mm

2.8mm

Approximate weight

2.6 kg/km

4.0 kg/km

5.0 kg/km

6.0 kg/km

7.0kg/km

Optical cable attenuation (single mode fiber)

1310nm/1550nm≤0.35/0.22dB/km

Maximum pulling force

40N

40N

50N

60N

60N

Maximum crushing force

600N/100mm

Minimum allowable static/dynamic bending radius

10 times /20 times the outer diameter of optical cable

Applicable temperature range

Store at-30 ~+60℃; Installation-10 ~+40℃; Run at-20 ~+50℃

Optical cable life (estimation)

25 years

Optical fiber type

SM G652B/D, G657 series

Optical fiber attenuation

≤0.35dB/km @1310nm，≤0.22dB/km @1550nm

testing equipment

Type of pipeline suitable for gas transmission and corresponding typical gas transmission length

Poliment: PRM-196, PR140, etc.

Air pressure: 13bar

Optical fiber core number

Microtubule model

3.5/5.0mm

Microtubule model

5.5/7.0mm  

2 ~ 12 cores

800m

1500m

14 ~ 24 cores

500m

1500m

project

Test reference standard

test result

remarks

stretching

IEC 60794-1-2-E1

（GB/T 7424.2-E1）

Optical fiber strain (%)

Attachment attenuation (dB)

The short-term test tensile force is the maximum tensile force,

Long-term test tension is 1/3 of the maximum tension

Short term ≤0.3

Long term ≤0.1

Short term: ≤0.1,

There is no obvious strain after removing stress;

Long-term: no obvious

Crushing force

IEC 60794-1-2-E3

（GB/T 7424.2-E3）

Short-term crushing force: additional attenuation ≤ 0.05;

Long-term crushing force: no obvious;

Aft that stress is removed, the optical fib has no obvious residual additional attenuation,

There is no visible crack on the sheath surface

Short-term test pressure: 600N

Long-term test pressure: 200N

Repeated bending

test

IEC 60794-1-2-E6

（GB/T 7424.2-E6）

After testing: the optical fiber has no obvious residual accessory attenuation;

Cracking can be seen in sheath without eyesight

Bending radius =20 times the diameter of micro cable

Load =15N

Bending times: 25

torsion test

IEC 60794-1-2-E7

（GB/T 7424.2-E7）

After the test, the optical fiber is not broken and the sheath is visually cracked.

After stress relief, there is no obvious residual additional attenuation

Torsion angle: 180

Load =15N

Torsion times: 5

Winding test

IEC 60794-1-2-E11A

（GB/T 7424.2-E11A）

After the test: the optical fiber does not break and the sheath can be cracked without eyesight

Mandrel diameter =20 times the diameter of micro cable

Close winding number =10

Number of cycles =5

All the above results are tested at the wavelength of 1550nm

project

test method

Indicators to be achieved by testing

Temperature performance

IEC 60794-1-2-F1

Additional attenuation of optical fiber (1550nm)

≤0.1 dB/km

Water permeability

IEC 60794-1-2-F5B

1m water height, 3m cable, test time 24 hours

There is no water seepage at the other end of the micro cable

Trickle performance

IEC 60794-1-2-E14

The micro cable was kept at 70℃ for 24 hours

The unfilled composite of micro cable drips out

NO.

one

2

three

four

five

six

seven

eight

nine

10

11

12

Color

orchid

orange

green

palm

ash

white

red

black

yellow

purple

pink

dark green

NO.

13

14

15

16

17

18

19

20

21

22

23

24

Color

blue

orange

green

palm

ash

white

red

inherent/true qualities

yellow

purple

pink

dark green

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Optical fiber core number

segment length

（m）

Tray size

Φ×W

(mm)

Packing size

L×W×H

(mm)

weight

(gross weight)

（kg）

2 ~ 12 cores

φ2.0-2.5

2000

Φ450×370

480×370×645

27

4000

Φ500×370

530×370×695

39

6000

Φ550×370

580×370×745

51

14 ~ 24 cores

φ2.8

2000

Φ500×370

530×370×695

31

4000

Φ550×370

580×370×745

46