Main functions:

      Used for tension test of composite insulator, mandrel and composite bushing。 

Main features:

① Closed loop control by computer, with force, deformation closed loop control function。

② The loading speed can be set, and the test range can be switched automatically。

③ With the test force retention function。

④ Real-time display of test force and deformation data。

⑤ Real-time display of test force-deformation curve。

⑥ With curve analysis, comparison, simulation, amplification function。

Technical parameters:

Model HHT105W-B HHT205W-C HHT305W-C HHT505W-D HHT106W-D HHT206W-D

The maximum load (kN) 100 200 300 500 1000 2000

Effective measuring force range 5% ~ 100%

The accuracy of force measurement is within ±1% of the indicated value / ±0 of the indicated value.5%以内

The maximum load / 220,000 yards, and the whole resolution is unchanged

Test speed Electro-hydraulic servo control Stress:1 ~ 30N/mm2.S-1 Strain:0.00025～0.025/S

The speed accuracy is within ±1% of the indicated value

Deformation measurement accuracy within ±1% of the indicated value / ±0 of the indicated value.5%以内

The displacement measurement accuracy is within ±1% of the indicated value / ±0 of the indicated value.5%以内

Effective stretching space (m) 0.1-6/15/20(on request)

The space between the frame (mm) 5000 5000 10000 10000

Piston stroke (mm) 1500 800

Insulator size according to customer requirements

Clamping mode Clamping mode such as pin or ball and socket

Protection function Electronic limit protection function/automatic protection function when exceeding 3% of maximum load

Power (kW) 5 5 7.5                        7.5