China supplier Gearbox Test Bench Hydraulic Motor Test Bench Worm Gearbox gearbox engine

Product Description

Product Description

ZJ-A type large torque speed sensor is capable of measuring various Super torque. The detection is mainly used in large motor, engine, internal combustion engines and other rotating power equipment output torque and power; detection of fan and water pump, gear box, torque wrench, torque and power; detection of railway locomotive, automobile, tractor, aircraft, shipbuilding, mining machinery in torque and power.


Model Range 
Maximum speed
ZJ-500K A 500K 800 ±0.2% F.S
ZJ-750K A 750K 710 ±0.2% F.S
ZJ-1000K A 1000K 710 ±0.2% F.S
ZJ-1200K A 1200K 560 ±0.2% F.S
ZJ-1500K A 1500K 560 ±0.2% F.S
ZJ-2000K A 2000K 480 ±0.2% F.S


ZJ torque speed sensor (dynamic) adopts strain gauge measurement technique.The electrical signal of elastic shaft under torsion can be measured by providing power for the strain gauge bridge. After amplified,and voltage/frequency conversion, the strain signal is converted into the frequency signal directly proportional to torsional strain.

Product features:

1. Torque measurement;energy and signal non-contact transmission; output signal digitized .
2. High testing precision, high stability and anti-inter ference ability. 
3.Repeating zero setting is not required continuous 
4. Both static torque and dynamic torque can be measured. be used independently without secondary instrument, output signal can directly use by PLC or PC . 
6.Can be customized according to customer requirements.

Main Function and Performance Index:

Torque indication error: <± 0.2 % F · S   
Sensitivity: 1±0.2 mv / V              
Nonlinear: ≤±0.2 % F·S    
Repeatability: ≤±0.2% F·S      
Lag: ≤0.2 % F·S       
Zero drift (24 hours) : ≤0.1 % F·S   
Output impedance: 1KΩ ±3Ω           
Insulation resistance: >500MΩ
Static overload: 150 %    
Breaking load: 200 %  
Power supply voltage:DC±15V±5% ,DC 24V( optional)
Speed output signal: 60-2000 pulse / turn(optional)
Zero torque frequency output:10KHZ       
Positive torque full scale frequency output :15KHZ    
Reverse torque full scale frequency output :5KHZ      
Signal duty ratio: (50±10)%  
Power consumption of the sensor: 4W
Temperature when use: -20 ~ 70ºC 
Relative humidity: ≤90%RH 

Related Products

Main application: 

DWZ disc eddy current brake is mainly used as load in loading dynamometer equipment. it is experimental apparatus which can measure the dynamic mechanical properties, especially in dynamic loading test whose power value is small or tiny, also can be treated as suction power devices of other dynamic devices. 

DW series disc eddy current dynamometer is, is that add device for measuring torque and rotational speed on DWZ series disc eddy current brake, it is experimental apparatus which can measure the dynamic mechnical properties, especial in dynamic loading test whose power value is small or tiny.

CW eddy current brake as a load is mainly used to measure the mechanical characteristics of inspection equipment, it and other control instrument (including loading apparatus, torque speed sensor and torque power acquisition instrument etc.) can be composed of eddy current dynamometer can be used for performance testing of the internal combustion engine, motor, gas turbine, automobile and its dynamic mechanical components, compared with other power measuring device, the CW series power measuring device has the advantages of reliability, high stability and practicability.

Company Information:

Product Line:




Slip Power Water Cooling: 10 Kw
Slip Power Self Cooling: 1.2 Kw
Warranty Period: One Year
After Sales Service: One Year
Current: 5 a
Allowable Rotational Speed: 250 R/Min


Customized Request


Can I Use Synthetic Oil in My Gearbox?

Yes, you can use synthetic oil in your gearbox, and in many cases, it can offer several advantages over conventional mineral-based oils:

  • Improved Temperature Stability: Synthetic oils typically have a higher resistance to thermal breakdown, making them suitable for gearboxes that operate at high temperatures.
  • Enhanced Lubrication: Synthetic oils often have superior lubrication properties, providing better protection against friction, wear, and component damage.
  • Extended Oil Change Intervals: Synthetic oils can often withstand longer operating periods without losing their effectiveness, reducing the frequency of oil changes and maintenance.
  • Reduced Viscosity Changes: Synthetic oils are less prone to viscosity changes at different temperatures, ensuring consistent lubrication performance in varying conditions.
  • Lower Friction and Energy Loss: The smoother molecular structure of synthetic oils can lead to reduced internal friction, potentially improving gearbox efficiency and performance.
  • Cold Weather Performance: Synthetic oils generally flow better at low temperatures, making them suitable for gearboxes operating in cold climates.
  • Protection Against Oxidation: Synthetic oils often have better resistance to oxidation, helping to prevent the formation of sludge and deposits that can impact gearbox performance.

However, before switching to synthetic oil, it’s important to consider the manufacturer’s recommendations and specifications for your specific gearbox model. Some gearboxes may have specific requirements or restrictions on the type of lubricant to use. If the manufacturer approves the use of synthetic oil, it can be a beneficial choice, but if not, sticking to the recommended oil type is crucial to ensure proper gearbox function and warranty coverage.

China supplier Gearbox Test Bench Hydraulic Motor Test Bench Worm Gearbox   gearbox engineChina supplier Gearbox Test Bench Hydraulic Motor Test Bench Worm Gearbox   gearbox engine
editor by CX 2023-10-03