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Air Gap Eddy Current Dynamometers

SE Range of SAJ Air Gap Eddy Current Dynamometers is for testing engines from 10 kW to 720 kW capacity. The rugged design of the power absorbing system ensures a long operating life, even in the most demanding production and endurance testing environments.

Standard Features

High Accuracy strain gauge loadcell for Torque measurement.
Precise Control even at low loads and rapid changes in demands.
Bi-directional operation.
Low Inertia rotor.
Balanced high rigidity shaft assembly on precision bearings ensures smooth operation.
Twin silicon rubber encapsulated energising coils, with central ventilation ensures High Reliability in extreme conditions.
Electroless nickel plating of cooling passages ensures corrosion free operation.
'O' ring pipe connection to minimize error in torque calibration due to variation in water supply pressure.
Oil Injected half couplings supported by deep groove ball bearings ensures easy maintenance.

Specifications

Model	Max Power (kW)	Max Torque (Nm)	Max Speed (RPM)
			Standard	High Speed
SE 10	10	50	6500	10000
SE 20	20	80	6500	10000
SE 30	30	95	12000	14000
SE 80	80	160	9000	14000
SE 150	150	500	8000	12000
SE 200	200	800	6000	8000
SE 250	250	1200	6000	8000
SE 400	400	2000	4500	8000
SE 500	500	3000	4500	7500
SE 720	720	4500	3750	-

Air Gap Eddy Current Dynamometer

Pressure Controlled Hydraulic Dynamometers

SH Range of SAJ Pressure Controlled Hydraulic Dynamometers is for testing engines from 300 kW to 6700 kW capacity.

Standard Feature

High Accuracy strain gauge loadcell for Torque measurement.
High response outlet control valve with Electro-hydraulic servo control system ensures better accuracy.
Stable operation through out the operating envelope.
Low Inertia for fast response.
Oil Injected half couplings supported by deep groove ball bearings and vertically split casing ensures easy maintenance.
Balanced high rigidity shaft assembly on precision bearings ensures smooth operation.
O ring pipe connection to minimize error in torque calibration due to variation in water supply pressure.
Stainless Steel internals resists mechanical stresses generated by rotation at high speeds, and the associated cavitation erosion.
Compact Construction.
Bi-directional operation with the help of turntable.
High Speed possibilities with cropped rotor design.

Specifications

Model	Max Power (kW)	Max Torque (Nm)	Max Speed (RPM)
			Standard	High Speed
SH 300	300	1100	8000	10500
SH 750	750	2700	6000	9000
SH 1640	1640	7121	4000	6000
SH 3300	3300	18500	3500	4500
SH 6700	6700	50000	2500	3600

Pressure Controlled Hydraulic Dynamometer

Sluice Gate Type Hydraulic Dynamometers

AWM Range of SAJ Sluice Gate Type Hydraulic Dynamometers is for testing engines from 20 HP to 2000 HP capacity. Very popular in simple production testing and reconditioning workshops.

Standard Feature

High Accuracy strain gauge loadcell for Torque measurement.
Stable Operation by design hence does not require any controller.
Designed for Optimum reliability & simple maintenance.
Robust construction for long trouble free life.
Manual and Remote Manual Operation.
Low price makes the system cost effective.

Specifications

Model	Max Power (HP)	Max Torque (Nm)	Max Speed (RPM)
AWM 2	20	28	8000
AWM 15	100	140	8000
AWM 50	150	280	7500
AWM 150	250	702	6000
AWM 200	300	936	5500
AWM 300	400	1404	5000
AWM 700	700	3277	3500
AWM 1500	1500	7800	2750
AWM 2000	2000	9875	2750

Sluice Gate Type Hydraulic Dynamometer

Wet Gap Eddy Current Dynamometer

WG 225 - SAJ Wet Gap Eddy Current Dynamometer is for testing engines 225kW capacity. Direct Cooling design provides better cooling efficiency and minimize effect due to scale deposition.

Standard Features

High Accuracy strain gauge loadcell for Torque measurement.
Low inertia for fast response.
Simply supported design.
Bi-Directional Operation.
Precise control possible even at low loads and rapid changes in demands.
Compact and Sturdy design for longer life.
Easy for Maintenance.
Carcase mounted in deep groove ball bearings.
Dynamically balanced high rigidity shaft assembly on precision bearings ensures smooth operation.
Less susceptible to scaling effect.

Specifications

Model	Max Power (HP)	Max Torque (Nm)	Max Speed (RPM)
WG 225	225	500	8000

Wet Gap Eddy Current
Dynamometer