01483 302 700

sales@caltest.co.uk

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Other accessories

N4L Injection Transformers

LFIM Frequency Response Analyzer Injection Transformer

The PSM1700 and PSM1735 feature ground referenced generators, as a result there is a requirement to isolate the injected perturbation signal from ground so that the feedback loop is not shorted to the ground plane.  This action is performed by an injection transformer and N4L have designed numerous injection transformers to meet a range of frequencies and voltages.

Model
Frequency Range Voltage Rating Turns Radio Connectors Data Specification
Standard 
DC to 200kHz 
50V 
6,3:1 
BNC Input, Isolated BNC Output ⇒ Datasheet
HF 
500Hz to 35MHz 
50V 
2,3:1 
BNC Input, Isolated BNC Output  ⇒ Datasheet
HV 
5Hz to 15MHz 
600V CATII 
2,3:1 
BNC Input, 2x 4mm Safety Connector Output  ⇒ Datasheet
LF 
DC to 100kHz 
600V CATII 
3,1:1 
BNC Input, 2x 4mm Safety Connector Output  ⇒ Datasheet


PSM1 Power Meter Adaptor

Frequency Response Analyzer Power Meter Adaptor


The PSM1 Power Meter Adaptor is an isolation and attenuation accessory designed for use with the PSM1700, PSM1735 andPSM3750 Phase Sensitive Multimeters. This adaptor utilises toroidal transformers and calibrated burden resistors. The PSM1 provides isolation and fixed scaling factors enabling the PSM series frequency response analyzers to perform input power measurements on single phase low voltage power devices.

Model
Power Input Voltage Rating Current Rating  Data Specification
IEC Socket IEC Shuttered Outlet 250Vrms 10Arms ⇒ Datasheet


ATT Series Attenuators

  
N4L ATT20 20:1 Attenuator

The ATT10, ATT20 and ATT1000 are BNC to BNC voltage attenuators designed for the PPA Vext and Aext inputs. They provide high accuracy wide bandwidth gain, typical applications are in situations when the output of a voltage attenuator (such as the TT-HV250) is above the 3Vpk range of the voltage channel external input.

Model Bandwidth 
Attenuation  Max Input Voltage Specification Data
ATT10 DC-2MHz  10:1  30Vpk ⇒ PDF
ATT20  
DC-2MHz  
20:1  60Vpk ⇒ PDF
ATT1000  
DC-10kHz  
1000:1   1000Vrms

Contact:

Caltest Instruments Ltd

4 Riverside Business Centre

Walnut Tree Close

Guildford

Surrey GU1 4UG

United Kingdom

Tel: +44 (0) 1483 302 700

Fax: +44 (0) 1483 300 562

Email: sales@caltest.co.uk

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