IMPxxx
Series
Impedance Networks
USER GUIDE
IMPxxx Series User Guide
IMP16x/32x/753
IEC61000-3-3 Compliant
Impedance Networks.
Description
The N4L Impedance Networks offer IEC61000-3-3, and
IEC61000-3-11 compliant Flicker measurements when combined
with a PPA55x1 power analyzer and a compliant AC source.
Available in both Single and 3 Phase variants, the IMP range
from N4L can be configured to meet your specific needs.
IMPxxx Series User Guide
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IMPxxx Series User Guide
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IMPxxx Series User Guide
THE IMPxxx RANGE OPTIONS
IMP161 Single Phase 16Arms
IMP163 Three Phase 16Arms
IMP321 Single Phase 32Arms
IMP323 Three Phase 32Arms
IMP753 Three Phase 75Arms
These specifications are quoted in good faith but Newtons4th Ltd
reserves the right to amend any specification at any time without notice.
Newtons4th Ltd
30 Loughborough Road
Mountsorrel
Loughborough
LE12 7AT, UK
Tel +44 116 2301066
Fax +44 116 2301061
e-mail support@newtons4th.com
Website www.newtons4th.com
IMPxxx Series User Guide
IMPORTANT SAFETY INSTRUCTIONS
This product is connected to lethal voltages.
Observe all safety instructions.
This equipment is designed to comply with BSEN 61010-1 (Safety
requirements for electrical equipment for measurement, control, and
laboratory use) – observe the following precautions:
Ensure that the supply voltage agrees with the rating of the
equipment printed on the back panel before connecting the mains cord
to the supply.
This appliance must be earthed. Ensure that the instrument is
powered from a properly grounded supply outlet.
Keep the ventilation holes on the instrument free from obstruction.
Do not operate or store under conditions where condensation may
occur or where conducting debris may enter the case.
There are no user serviceable parts inside the instrument – do not
attempt to open the instrument, refer service to the manufacturer or
his appointed agent.
In the event of a failure, switch off the power source and ensure that
the output current has fallen to zero before connecting or disconnecting
any phase inputs.
Note: Newtons4th Ltd. shall not be liable for any consequential
damages, losses, costs or expenses arising from the use or misuse of
this product however caused.
IMPxxx Series User Guide
IMP161 Connection Diagram
IMPxxx Series User Guide
Connections for a single phase Impedance Network
The diagram on the following page illustrates the connections
required to connect the AC Source, IMP161 Impedance
Network, and PPA5511 Power Analyzer.
Make connections as shown:
AC Source – Impedance Network
L – L
N – N
GND - GND
Impedance Network – PPA5511 Power Analyzer
4mm Yellow Lead – A Hi – A Hi
4mm Black Lead – A Lo – A Lo
4mm Red Lead – V Hi – V Hi
4mm Black Lead – V Lo – V Lo
IMPxxx Series User Guide
Specification
Type
IMP161/3
IMP321/3
IMP753
Current Rating
16Arms
32Arms
75Arms
Impedances
Phase Conductors
(L1, L2, L3)
R:240mΩ
X: 150mΩ @50Hz X:180mΩ @ 60Hz
Neutral
Conductor
R:160mΩ
X: 100mΩ @50Hz X:120mΩ @ 60Hz
Phase to Neutral
Impedance
R:400mΩ
X: 250mΩ @50Hz X:300mΩ @ 60Hz
Cooling
Air Cooled
Dimensions
W450mm x D 500mm
Height
4u
6u
8u
IMPxxx Series User Guide
Warranty
This product is guaranteed to be free from defects in materials and
workmanship for a period of 36 months from the date of purchase.
In the unlikely event of any problem within this guarantee period, first
contact Newtons4th Ltd. or your local representative, to give a description
of the problem. If the problem cannot be resolved directly then you will
be given an RMA number and asked to return the unit. The unit will be
repaired or replaced at the sole discretion of Newtons4th Ltd.
This guarantee is limited to the cost of the Impedance Network itself and
does not extend to any consequential damage or losses whatsoever
including, but not limited to, any loss of earnings arising from a failure of
the product.
In the event of any problem with the equipment outside of the guarantee
period, Newtons4th Ltd. offers a full repair service – contact your local
representative.
The Impedance Network Family does not require any calibration.
Declaration of Conformity
We, Newtons4th Ltd, declare that the product, IMPxxx Series Impedance
Network conforms to the requirements of Council Directives:
89/336/EEC relating to electromagnetic compatibility:
EN 55022 Class A
73/23/EEC relating to safety of laboratory equipment:
EN 61010-1
July 2014
Eur Ing Allan Winsor BSc CEng MIEE
(Director of Newtons4th Ltd)
IMPxxx Series User Guide
Example Circuit Diagram
IMP753
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