#800 EC PTO Dyno Stand

Eddy Current Dynamometers | PTO |

Overview

800* eddy-current PTO dyno for testing typical tractors to 800+ Hp includes: enclosed monocoque steel frame, overdriven dual (tandem) #650 eddy-current absorbers with electronic controller and heavy-duty power supply (240-volt AC input), temperature-compensated full-bridge 3,000-pound S-beam load cell, DYNOmite-Pro data-acquisition computer, DYNO-MAX software, auto-load control, magnetic RPM pick-up, 3-channel data harness – with control output, quick-plug (weatherized) receptacles, heavy-duty absorber to PTO shaft, calibration arm, and manual (less PC).

Specs

DYNOmite Data-Acquisition Computer  

Hardware configuration

Expandable, hybrid (surface-mount and thru-hole) multi-layer board system

Voltage requirements (DAQ only)

Runs on 120-volt 60-Hz AC, 240-volt 50-Hz AC, or 12-volt DC (specify)

Approvals

CE and/or UL approved (per locale)

Board type and channel capacity

Pro, PC linked − 3 channel

Expansion capacity upgrades

Optional 28, 56, or 112+ channel capable subsystem

Data rate

User-selectable rates up to 200 (1,000 optional) recordings per second (per channel)

Transducer wiring interface

Quick-disconnect data harness − 3-channel

Calibration

Non-volatile setup memory

Atmospheric correction

Standard, SAE, DIN, JIS, ECE, J1995, Custom

Gear-ratio RPM and shifting compensation

Smart Ratio™ automatic ratio calculation with multiple, simultaneous, RPM inputs

Wireless-Integration Options

Available

Recording features

Smart Record™ automated recorder triggering

Data interface

User selectable, USB or RS-232 serial port, output to a PC − via DYNO-MAX software option

Third-party data-output interface options

Free Windows driver for National Instrument’s Lab View™ available

Temperature sensor

0 to 255 Fahrenheit [-18 to 124 Celsius] thermistor (two included)

Standard and optional sensor inputs

RPM, torque, frequency, flows, pressures, thermocouples, thermistors, 0-5 volts, Lambda, smoke opacity, position, etc.

Standard and optional control outputs

Engine shut-off, relay control, load-control stepper output, 0-5 volt D/A, etc.

Torque Transducer  

Configuration

Environmentally sealed S-beam load cell

Maximum displayed torque

Unlimited ft-lbs [N-m] − real-time and playback

Load-cell range

0 to 3,000 pounds [0 to 1,361 Kg] (other ranges available)

Load-cell signal-output gain

3 millivolts/volt

Load-cell resolution Better than 0.02% of full-scale accuracy − typical
Strain gauges Linearized full-bridge strain gauges in balanced Wheatstone bridge
Advanced linearization (software) User-configurable edit table (interpolated deviation map)
System torque resolution Better than 0.1% of full-scale accuracy − typical
Calibration features Semi-automatic calibration of zero offset
Drift stabilization Ratiometric supply-voltage and temperature compensation
Docking Module Assembly  

Configuration

Enclosed fully-welded monocoque steel frame with adjustable-height legs

Mechanical frame construction Heavy-duty monocoque formed-steel and tube-steel adjustable-height legs
Absorber to engine coupling Hardened-splined input shaft, 2.1:1 ratio overdrive (3.2:1 optional) − via telescoping heavy-duty drive shaft
Driveshaft (to PTO) Type-3 (standard) spline, telescoping drive shaft (custom dampening-specifications optional) with spline adapters
Driveshaft guard Integral − 360 degree
Driveshaft splines Type-3 is standard, other spline and shaft adapter combinations available
Enclosures Hinged louvered cover, with stainless-steel gas shocks, for base compartment access − driveshaft storage compartment (locking)
Installation Four adjustable-height legs with anchorable floor-mount flanges
Ventilation Quad thru-flow fans
Integral Trailer Assembly (option)  
Mechanical trailer construction Integral (DOT approved) package with torsion-flex axle, adjustable-height tongue (removable), and leveling stabilizers
Brakes Electric brakes with emergency breakaway (battery backup) and safety chains (dual)
Lighting DOT-approved flush-mount LED lights, with illuminated license-plate bracket
Wheels and tires Alloy wheels with street legal LT215/75R x 15″ tires
Recommended Towing Speed Rated for up to 55 MPH [80 KPH] towing speeds
Tongue Heavy-duty tube-steel adjustable-height tongue (removable) with jack and rolling third wheel
VIN VIN # with Certificate of Origin
Power Capacity (RPM duty cycle dependent)*  
Notice *Actual load capacity depends on test RPM (typical loading plots available)
Maximum displayed power Unlimited Hp [KW] − real-time
Maximum displayed torque Unlimited Ft-Lbs [N-m] − real-time

Peak steady-state power

800+ Hp [600+ KW] initial − cold absorber rating (see absorber’s load chart)

Typical steady-state power range / time

20 to 400+ Hp [14 to 300+ KW] extended − warm absorber rating (see absorber’s load chart)

Maximum RPM 1,800+ RPM for  2.1:1 overdrive (other ranges available, see absorber load charts − may be further limited by selected driveshaft)
Engine (and Absorber) Tachometers  
Range 0 – 32,000+ RPM real-time display (user reconfigurable)
Timing reference Quartz-crystal calibrated
Resolution 0.1 RPM (typical)
Primary RPM signal Absorber-mounted hall-effect sensor
Signal compatibility User adjustable trigger voltages − pulse type selectable from ½ to 240 PPR
Alternate tachometer options Optional pressure-pulse and optical RPM pickups
Absorber and Load Control  
Absorber to Tractor’s PTO coupling Via telescoping heavy-duty drive shaft − using appropriate spline adapter (custom dampening-specifications optional)

Absorber speed / RPM regulation

Electronic auto-load control (closed-loop PID) with automated test cycles via DYNO-MAX

Absorption method

Dual (tandem) electric air-cooled #650 eddy-current absorbers with pulse-width-modulated DC controller

Bidirectional capable

Yes

Power requirements (for absorber)

40-amps @ 240-volts AC (60 or 50 Hertz)

Throttle (torque / power) regulation Electronic-throttle control of torque, power, or % − including automated test cycles via DYNO-MAX (also supports manual control)
Approximate Dimensions and Weight (Do not construct any test-cell foundations until system is on site)
Docking module assembly Enclosed monocoque steel frame with integral (DOT approved) trailering package
Width 56½” [144 cm]
Length 58½” [149 cm]
Height (at input shaft) − typical ~32″ [~81 cm]
Height (overall) − typical ~43″ [~109 cm] ]
Weight 3,000 pounds [1,361 Kg]
Dynamometer Control Software  
Features Too many to list here − review DYNO-MAX specification pages and demo CD download
Notable trademarks Remote DYNO-MAX™ − network/internet viewing/control software (included free in DYNO-MAX “Pro“)
Software versions DYNOmite EEPROM version # 9.977 plus DYNO-MAX version #10.23 (included)
Control Console and PC Options  

Computer housing

Optional enclosed (EMI/RFI resistant) rolling PC cabinet

Monitor

Optional “Pro” console with genuine Intel-equipped Dell PC and 17″ LCD display

Wireless remote operation

Pocket DYNO-MAX™ − wireless Windows Mobile™ PDA control software (included in DYNO-MAX “Pro“)

Data Collection Options  
Airflow Turbines Measure real-time intake CFM and BSAC
Air/fuel ratio monitoring Optional 9-19 range AFR exhaust-gas module
Dynamometer control software DYNO-MAX software packages (see separate specifications page and demo CD)
Exhaust Gas Temperature thermocouples Fast-acting EGT probes allow reading and displaying up to eight sensors per DYNOmite-Pro board set.
Electronic throttle control Unit allows PC to throttle engine during DYNO-MAX automated-test cycles
Exhaust-emissions analyzer Optional five-gas analyzer (O2, CO, CO2, HC’s, and NOX) via digital DYNO-MAX RS-232 link.
Fuel-Flow Turbines Measure real-time fuel consumption and BSFC
Integral Trailer Assembly DOT approved package with torsion-flex axle, adjustable-height tongue (removable), and leveling stabilizers
Pressure transducers Universal 0-5 volts pressure sensors
Weather station module Weather station provides automatic entry of air temperature, barometric pressure, and relative humidity
Other Options  
Patch Panel Subsystem Optional rolling-stand sensor interface cabinet with quick-disconnect fittings
Model Number: #032-800-1K

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