Nhr 4700 Dc Load User Manual
Download Product Datasheet. Product Overview. RENT NH RESEARCH 4700-3 HIGH CURRENT DC ELECTRONIC LOAD (Call for Availability) The NH Research 4700 Series DC Electronic Loads are designed for testing applications that require high-power and high-current plus measurement of UUT dynamic performance. The DC Load is a two terminal device that can be connected to DC sources. Here, a DC source is a voltage that is always positive on the DC Load's + terminal referenced to the - terminal. DC Electronic Loads are used for design, manufacturing and evaluation of DC power supplies, batteries, and power components.
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85362 Rev. A0
Specification Data for the WARN
®
4700
FEATURES
Pulling Capacity 4700lbs. (2130 kg)
Brake
Dynamic and mechanical braking
Switch Type
Remote with 12’ (3.7 m)
Lead
Warranty
1 year limited
Motor
Permanent Magnet
Wire Rope
1/4' (6.35 mm) X 60' (18.3 m)
HP
1.9 HP 3.0' Diameter
Drum Diameter
2.5' (6.35 cm)
Power
12 volt DC
Fairlead
Hawse
Gear Train
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3-Stage planetary
Hole Pattern
4 holes
Gear Ratio
216:1
Electrical Leads
2 – 6’ (1.8 m) x 6 gauge cable
Clutch
Lever- Multi-directional
Weight
42 lbs. (19.1 kg.)
Performance Data for the WARN
®
4700
PERFORMANCE DATA: 4700
Load
Current
Speed
Pulling Power by Wire Rope
Layer
Lbs.
Kg
Amps
Nhr 4700 Dc Load Manual
Ft/min M/min
Layer
lbs.
kg
0
0
47
17.9
5.5
1
4700
2130
1000
453.6
82
12.8
3.9
2
3980
1800
2000
907.2
150
10.8
3.3
3
3450
1560
3000
Nhr 4700 Dc Load User Manual
1360.8
212
8.1
2.5
4
3041
1380
4000
1814.4
277
5.8
1.8
5
2720
1230
4700
2132
Nhr 4700 Dc Load
322
4.3
1.3
Dimensional Data for the WARN
®
4700
High-Current DC Loads
4700 LXI SERIES
K 120V, 1kW/200A to 36kW/7200A
K 18 Voltage, Current, Power and
Timing Measurements
K Complex load profile playback
K Air cooling
K Touch-panel manual control
APPLICATION
4700 LXI Series Electronic Loads are designed for testing applications that require high-power and high-current
plus measurement of UUT dynamic performance. The Loads provide exceptional reliability combined with the
inherent simplicity and safety of air cooling. The 4700 Loads are controlled through either a manual touch-panel, a
LabVIEW soft-panel or an emPower™ Test Executive enabled automatic test station. Typical power conversion
products to be tested include higher-power DC supplies, telecom rectifiers, fuel cells and batteries.
Turn-on Time
Settle Time
Peak
Settle
Overshoot
max
min
Nhr Load Bank
Rise
Time
Turn-on voltage & current measurements
EXTENDED INTERNAL MEASUREMENTS
The 4700 Loads eliminate the need for separate external
instruments and related switching to capture timing and other
dynamic measurements during UUT turn-on and turn-off. This
is accomplished by incorporating the task-essential features of
a DMM, DSO and Transient Generator. With this built-in
capability, the 4700 can rapidly generate engineering-
characterization-like test information at faster test speeds with
the additional benefit of cost savings from fewer measurement
instruments, switches and interconnection wiring.
Power supply turn-on voltage & current
waveforms in Auto Mode
Constant Current
Constant Resistance
Constant Voltage
Current
Voltage
AUTO MODE
The 4700 contains a unique Auto Mode that provides
glitchless automatic switching between CR, CC, CV and CP
limits. Previously challenging tests that are now made
possible include turn-on into a CR load, confirming the
complete V-I curve for Lithium-Ion battery chargers, and
preventing device-under-test blowup should a protection
circuit fail.