7500 Series – Power Analyzer

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Product Description

The Magtrol 7500 Series Power Analyzer is an easy-to-use instrument ideal for numerous power measurement applications. From DC to 80 kHz AC, the 7500 measures volts, amps, watts, volt-amps, frequency, crest factor, Vpeak, Apeak and power factor in one convenient display. They may be used either as stand-alone instruments or in conjunction with any Magtrol Hysteresis, Eddy-Current or Powder Brake Dynamometer; any Magtrol Dynamometer Controller and M-TEST Software for more demanding motor test applications.

Ordering Information

7510 – Single-Phase Power Analyzer
7530 – Three-Phase Power Analyzer

Features

  • Single/three-Phase Capabilities: For single (7510) or three-phase (7530) power measurements
  • Ranges: Up to 600 Vrms @ 20 A continuous duty
  • Interfaces: USB & IEEE-488
  • Ethernet Connectivity
  • Data transfer rates: Up to 100 per second
  • Accuracy: Up to 0.1%
  • Vacuum Fluorescent Display: High-quality, easy-to-read, customizable readout displays volts, amps, power and power factor
  • Measurement: Continuous or cycle-by-cycle
  • Bandwidth: DC up to 80 kHz
  • Input Power: Accepts 120/240 Vrms, 60/50 Hz power at 20 VA max
  • Auto ranging: Automatically scales instrument for most accurate range
  • Isolation: 1000 Vrms to earth, 750 Vrms line-to-line
  • Average: Displays running average of amps, volts and watts
  • Peak Hold: Stores the highest value read. Values can include amps, watts and volts in any
    combination
  • External shunt Input
  • Calibration Certificate: NIST Traceable
  • Rack Mounting: 19” (482.6 mm) with handles

Specifications

  Voltage Input Current Input External Sensor Input Power
Ranges 30 V, 150 V, 300 V, 600 V 1 A, 5 A, 10 A, 20 A 50 mV, 250 mV, 500 mV, 1 V ---
Maximum Voltage 750 V AC/DC terminal (V) to
terminal (±) and
1000 V AC/DC terminal to
earth ground		 1000 V AC/DC terminal to
ground		 ±1 V AC/DC ---
Crest Factor 1.7 @ full scale input 2.7 @ full scale input 2.4 @ full scale input ---
Impedance 2 mΩ 12 mΩ 17 KΩ ---
Display Range 5 digits with 1 mV resolution 5 digits with 1 mA resolution 5 digits with 1 μV
resolution		 5 digits with 1 mw
resolution

Accuracy

DC ±(0.1% reading + 0.2% range) 0.4% of VA range
5 Hz - 500 Hz ±(0.1% reading + 0.1% range) 0.2% of VA range
500 Hz - 10 kHz ±((0.015 × F(kHz)% reading) + 0.3% range) 0.6% of VA range
10 kHz - 80 kHz ±((0.015 × F(kHz)% reading) + 0.3% range) 0.6% + (0.03% ×
F(kHz)% of VA range)
> 80 kHz N/A (measurement band limited to DC–80 kHz)

Frequency

Source V1, A1, V2, A2, V3, A3 (For Vx and Ax,
source input must be >10% of range setting)
Accuracy 20 Hz to 500 Hz; 0.05%
EXT. Input BNC non-isolated, earth ground referenced
Input Impedance 100 kΩ
Voltage Level TTL / CMOS
Maximum Voltage 50 V

Dimensions

Width 19.0 in 483 mm
Height 3.5 in 89 mm
Depth
with handles		 12.4 in
13.8 in		 315 mm
351 mm
Weight 12.97 lb 5.88 kg

Applications

  • Motors and Drives
  • Lighting Fixtures/Ballasts
  • Office Equipment
  • Household Appliances
  • Power Tools
  • HVAC Equipment
  • Calibration of Test and Measuring Instruments
  • Switching Power Supplies
  • Power Inverters
  • Transformers

The 7500’s data transfer rate makes it ideal for both static and
dynamic tests.

External Shunts and Sensors

If currents continuously reach above 20 amps, an external sensor must be used. Magtrol offers three different types of external shunts for use with Magtrol Model 7500 High-Speed Power Analyzer.
The HA Series shunt, designed for power cable hook-up utilizing 3/8-16 screws, has an insulating base and can be mounted on conductive surfaces. The LAB Series shunt also comes with an insulating base, along with thumb screws for the power leads and knurled nuts on the sensing terminals. The FL Series is a relatively small bus, bar-mounted shunt with large end blocks. The comparatively large end blocks and short spacing aid in cooling and allow the shunt to operate in more extreme environments. All shunts are calibrated on equipment with current certifications traceable to N.I.S.T.

Specifications

  HA Series LAB Series FL Series
Rated Current 50 to 500 A 750 to 1,000 A 2,000 to 3,000 A
Output 50 mV
Bandwidth DC to 60 HZ
Accuracy ± 0.25%
(± 0.1% accuracy with calibration certificate
is available for an addition cost)
Operating Temperature For optimum accuracy,
temperature of shunt should be
30 °C to 70 °C

Available Models

Type Part number Amps
HA 004640 50
HA 004641 100
HA 004642 150
HA 004643 200
HA 004644 250
HA 004645 300
HA 004646 400
HA 004647 500
LAB 004648 750
LAB 004649 1,000
FL 005214 2,000
FL 005286 3,000 

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                    [post_content] => The Powder Brake Dynamometer (PB Series) contains, as its name suggests, a magnetic powder. The electrical current passing through the coil generates a magnetic field, which changes the property of the powder, thus producing a smooth braking torque through friction. They are ideal for applications operating in the low to middle speed range or when operating in the middle to high torque range. Like Hysteresis Brakes, Powder Brakes provide full torque at zero speed. Like the Eddy-Current Brake Dynamometers, the PB series are water-cooled, allowing for power ratings up to 48 kW. The PB Dynamometers have accuracy ratings of ± 0.3% to 0.5% full scale, depending on size and system configuration.

Features


    
 	
  • 9 Models with Maximum Torque from 5 N·m to 1 200 N·m (3.69 lb·ft to 885 lb·ft)
    • 
 	
  • Braking Power: 500 W to 48 kW
    • 
 	
  • Stable Braking Torque
    • 
 	
  • Low Moment of Inertia
    • 
 	
  • Operation in Either Rotational Direction
    • 
 	
  • Braking Torque Measurement Integrated
    • 
 	
  • Integrated Optical Speed Sensor
    • 
 	
  • Special designs available upon request
    • 



Operating Principles

The PB Series - Powder Dynamometers contain, as their name suggests, a magnetic powder. The electrical current passing through the coil generates a magnetic field, which changes the property of the powder, thus producing a smooth braking torque through friction between rotor and stator. The Powder Dynamometers (PB) produce their rated torque at zero speed. The element to be tested can be loaded at standstill to determine the starting torque.

Optical Speed Sensor
Each PB Series Dynamometer has a standard optical speed sensor. PB 43 has an optical speed sensor with a 30 PPR (Pulses Per Revolution); PB 65, PB 115 & PB 15 has an optical speed sensor with a 60 PPR. For higher speed resolution in low speed applications, Magtrol offers a 600 PPR or 6 000 PPR encoder as an option.
                    [post_title] => PB Series - Powder Brake Dynamometers
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                    [post_content] => Magtrol's M-TEST 7 is a state-of-the-art motor testing program for PC (Windows® 10/11 64-bit) based data acquisition. Used with a Magtrol Programmable Dynamometer Controller, M-TEST 7 works with any Magtrol Dynamometer or In-Line Torque Transducer to help determine the performance characteristics of a motor under test. Up to 63 parameters are calculated and displayed utilizing M-TEST 7's feature-rich testing and graphing capabilities.

National Instruments LabVIEW an integral component of any Magtrol Motor Test System, M-TEST 7 performs ramp, curve, manual, pass/fail, coast, temperature, locked rotor temperature and running heating temperature tests in a manner best suited to the overall efficiency of the test rig. Written in LabVIEW™, M-TEST 7 has the flexibility to test a variety of motors in a multitude of configurations. The data generated from this user-friendly program can be stored, displayed and printed in tabular or graphical formats, and is easily imported into a spreadsheet.

Magtrol can also make custom modifications to the software to meet additional motor testing requirements.

NOTE: M-TEST 7 does not support the following:

    
 	
  • 5240, 4629B or older controllers
    • 
 	
  • 4612B, 4614B or older power analyzers
    • 
 	
  • National Instruments FieldPoint analog I/O
    • 
 	
  • Advantech PCL-725, PCI-1760 digital I/O
    • 


**MTEST-7 Motor Test Software is offered as a single seat license. Additional seats can be purchased and added to the original license. Contact sales for pricing.**

[table id=21 /]

License Verification via Crypkey Casper E-Register

Casper eRegister provides automatic authorization of M-TEST 7 using serial numbers. With this solution, the customer pre-pays the license fee and is then provided with a serial number to automatically obtain a code to unlock M-TEST 7 via the Internet. Casper eRegister works 24/7/365, without human intervention.

Just click on the electronic registration button on the M-TEST 7 license configuration screen.

Analog Input Measurement

Up to 128 thermocouples or analog sensors can be read and monitored during a motor test. Heat rise curves on the bearings, windings and housing of a motor can be performed and air flow/exhaust efficiencies can be measured with an air tool or internal combustion engine. M-TEST 7, with its complete dynamometer control, even allows for analog measurement while performing load simulation for duty cycle and life testing.

Applications

M-TEST 7—besides being well-suited for simulating loads, cycling the unit under test and motor ramping—is also ideal for production line and inspection applications, due to its pass/fail test function. Another time-saving feature that engineering labs will benefit from, is the ability to duplicate tests and run them automatically. This versatile program is extremely valuable to anyone involved in motor testing.

System Minimum Requirements


    
 	
  • Personal computer with Intel® Pentium® i5 processor (or equivalent)
    • 
 	
  • Microsoft® Windows® 10/11 64-bit
    • 
 	
  • 8 GB RAM
    • 
 	
  • 5 GB of available hard drive space
    • 
 	
  • VGA color monitor with minimum screen resolution of 1024 × 768
    • 
 	
  • National Instruments™ PCI-GPIB card, GPIB-USB-HS Interface(available from Magtrol).  The GPIB card can be used for interfacing with Magtrol DSP6000, DSP6001 or DSP7000 Controllers.
    • 
 	
  •  In addition, a USB Interface can be used with the DSP7000 or DSP7010 Controller.
    • 



M-TEST 7 Viewer


M-TEST 7 Viewer allows the user to create and modify test setups, and view, graph and compare data – everything standard M-TEST 7 does except perform tests. Free download, unlimited use.

Download M-TEST 7 Viewer
                    [post_title] => M-TEST 7 - Motor Testing Software
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                    [post_content] => Eddy-Current Brake Dynamometers (WB Series) are ideal for applications requiring high speeds and also when operating in the middle to high power range. Eddy-Current Brakes provide increasing torque as the speed increases, reaching peak torque at rated speed. The dynamometers have low inertia as a result of small rotor diameter. Brake cooling is provided by a water circulation system, which passes inside the stator to dissipate heat generated by the braking power, providing high continuous power ratings (max. 140 kW). WB Series Dynamometers integrate a torque measuring system with accuracy ratings of ± 0.3 % to ± 0.5 % full scale, depending on size and system configuration.

Features


    
 	
  • 12 Models with Maximum Torque from 400 mN·m to 560 N·m (56.6 oz·in to 413 lb·ft)
    • 
 	
  • Braking Power: from 500 W to 140 kW
    • 
 	
  • Stable Braking Torque, without Shock
    • 
 	
  • Low Moment of Inertia
    • 
 	
  • Low Residual Torque
    • 
 	
  • Operating Direction CW / CCW
    • 
 	
  • Braking Torque Measurement Integrated
    • 
 	
  • High Rotational Speed (≤ 80 000)
    • 
 	
  • Integrated Optical Speed Sensor
    • 
 	
  • Special designs available upon request
    • 



Operating Principles

The WB Eddy-Current Dynamometers develop their full power at high rotation speeds. The WB Series is particularly intended for motors which rotate at high speeds, up to 80 000 rpm (up to 100 000 rpm with WB 23 / 27; see specific datasheet). The braking torque depends on the rotation speed.

Optical Speed Sensor
Each WB Series Dynamometer is equipped with an optical speed sensor. WB 32 is equipped with a 4 PPR (Pulses Per Revolution) encoder, WB 43 and WB 65 HS are equipped with a 30 PPR encoder; WB 65, WB 115 & WB 15 are equipped with a 60 PPR encoder.
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                    [post_content] => Magtrol’s DSP 7010 Series - Dynamometer Controller employs advanced Digital Signal Processing technology to provide superior motor testing capabilities. Designed for use with any Magtrol Hysteresis, Eddy-Current or Powder Dynamometer, Magtrol In-Line Torque Transducer or auxiliary instrumentation, the DSP 7010 can provide complete PC control via the USB or GPIB interface. With up to 488 readings per second, the DSP 7010 is ideally suited for both the test lab and the production line.
                    [post_title] => DSP 7010 Series - Dynamometer Controller
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                    [post_content] => Hysteresis Brake Dynamometers (HD Series) are versatile and ideal for testing in the low to medium power range (maximum 14 kW intermittent duty).  With a Hysteresis Braking system, the Dynamometers do not require speed to create torque, and therefore can provide a full motor ramp from free-run to locked rotor.  Brake cooling is provided by convection (no external source), by compressed air or by dedicated blower, depending on the model.  All Magtrol Hysteresis Dynamometers have accuracy ratings of ± 0.25% full scale — depending on size and system configuration.

Features


    
 	
  • 16 Standard Models with Maximum Torque from 2.5 oz·in to 500 lb·in (18 mN·m to 56.5 N·m)
    • 
 	
  • Hysteresis Braking System: Provides precise torque loading independent of shaft speed
    • 
 	
  • Motor Testing from No Load to Locked Rotor
    • 
 	
  • Accuracy: ±0.25% (Full Scale)
    • 
 	
  • Air Flow Sensor: For protection against overheating and operator error
    • 
 	
  • Standard Torque Units: English, Metric and SI
    • 
 	
  • Custom Dynamometers: for special torque and speed requirements
    • 
 	
  • Easy Calibration
    • 



The Hysteresis Braking System

All Magtrol Hysteresis Dynamometers absorb power with a unique Hysteresis Braking System which provides frictionless torque loading independent of shaft speed. The Hysteresis Brake provides torque by the use of two basic components - a reticulated pole structure and a specialty steel rotor/shaft assembly - fitted together but not in physical contact. Until the pole structure is energized, the drag cup can spin freely on its shaft bearings. When a magnetizing force from the field coil is applied to the pole structure, the air gap becomes a flux field and the rotor is magnetically restrained, providing a braking action between the pole structure and rotor.


 

 

 

 

 




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            [post_content] => The Powder Brake Dynamometer (PB Series) contains, as its name suggests, a magnetic powder. The electrical current passing through the coil generates a magnetic field, which changes the property of the powder, thus producing a smooth braking torque through friction. They are ideal for applications operating in the low to middle speed range or when operating in the middle to high torque range. Like Hysteresis Brakes, Powder Brakes provide full torque at zero speed. Like the Eddy-Current Brake Dynamometers, the PB series are water-cooled, allowing for power ratings up to 48 kW. The PB Dynamometers have accuracy ratings of ± 0.3% to 0.5% full scale, depending on size and system configuration.

Features


    
 	
  • 9 Models with Maximum Torque from 5 N·m to 1 200 N·m (3.69 lb·ft to 885 lb·ft)
    • 
 	
  • Braking Power: 500 W to 48 kW
    • 
 	
  • Stable Braking Torque
    • 
 	
  • Low Moment of Inertia
    • 
 	
  • Operation in Either Rotational Direction
    • 
 	
  • Braking Torque Measurement Integrated
    • 
 	
  • Integrated Optical Speed Sensor
    • 
 	
  • Special designs available upon request
    • 



Operating Principles

The PB Series - Powder Dynamometers contain, as their name suggests, a magnetic powder. The electrical current passing through the coil generates a magnetic field, which changes the property of the powder, thus producing a smooth braking torque through friction between rotor and stator. The Powder Dynamometers (PB) produce their rated torque at zero speed. The element to be tested can be loaded at standstill to determine the starting torque.

Optical Speed Sensor
Each PB Series Dynamometer has a standard optical speed sensor. PB 43 has an optical speed sensor with a 30 PPR (Pulses Per Revolution); PB 65, PB 115 & PB 15 has an optical speed sensor with a 60 PPR. For higher speed resolution in low speed applications, Magtrol offers a 600 PPR or 6 000 PPR encoder as an option.
            [post_title] => PB Series - Powder Brake Dynamometers
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    [thumbnails_cached] => 
    [stopwords:WP_Query:private] => 
    [compat_fields:WP_Query:private] => Array
        (
            [0] => query_vars_hash
            [1] => query_vars_changed
        )

    [compat_methods:WP_Query:private] => Array
        (
            [0] => init_query_flags
            [1] => parse_tax_query
        )

)

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