N4L PSM1735 – 10uHz to 35MHz Frequency Response Analyzer

Model：PSM1735 Country of Origin：UK

Category：Frequency Response Analyzer

Overview：

The PSM1735 combines direct digital analysis with heterodyne techniques in an innovative design that delivers extensive measurement capabilities across a wider frequency range than any other instrument available today. Typical applications include switch-mode power supply feedback loop analysis, filter testing and design, LVDT testing, swept frequency response analysis of wound components, and more. Like other N4L products, the PSM1735 NumetriQ leverages the latest DSP and FPGA technology to optimize its analog hardware, delivering speed and measurement flexibility without compromising performance in any measurement function. With 0.01 dB gain accuracy and 0.02° phase accuracy, the N4L PSM1735 offers truly market-leading performance.

Features

Specifications

Application Notes

Functions & Configuration

10 μHz–35 MHz Multifunction High-Performance Gain/Phase Frequency Response Analyzer

The PSM1735 combines direct digital analysis with heterodyne techniques in an innovative design, delivering a broad measurement capability over a wider frequency range than any other instrument available today. Typical applications include switch-mode power supply feedback loop analysis, filter testing and design, LVDT testing, swept frequency response analysis of wound components, and more. Like other N4L products, the PSM1735 NumetriQ leverages the latest DSP and FPGA technology to optimize its analog hardware, delivering speed and measurement flexibility without compromising performance in any measurement function. With 0.01 dB gain accuracy and 0.02° phase accuracy, the N4L PSM1735 offers truly market-leading performance.

Features and benefits

Frequency range 10μHz to 35MHz	Floating Differential Input – 10 Vpk
Gain accuracy < 1 kHz 0.01 dB	< 1 kHz Phase accuracy at 0.01°
Frequency response analyzer	Impedance Analyzer
Vector voltmeter/phase angle voltmeter	True RMS voltmeter
Loop response analysis	Harmonic analyzer

Measurement specifications
Frequency response analyzer
Measurement	Amplitude, gain (CH1/CH2 or CH2/CH1), gain (dB), offset gain (dB), phase (⁰)
Frequency range	10μHz to 35MHz 20mHz to 35MHz, with External Power Supply
Gain accuracy (in dB)	0.01dB + 0.001dB/kHz < 1MHz 0.1dB + 0.04dB/MHz < 35MHz
Phase accuracy	0.02⁰ < 10kHz 0.05⁰ + 0.0001⁰ / kHz < 35MHz
Frequency source	Generator or CH1 input
Measurement	Real-time DFT with no missing data
Speed	Up to 100 readings per second
Filter	Selectable from 0.2 s
Resolution	5 or 6 digits
Vector voltmeter
Measurement	In-phase, quadrature, Tan φ, magnitude, phase, in-phase ratio, RMS, RMS ratio, LVDT differential, LVDT Ratio
Frequency range	10μHz to 35MHz 20mHz to 35MHz, with External Power Supply
Basic accuracy (AC)	0.5% Range + 0.05% Reading + 0.05mV < 1kHz Basic + 0.001%/kHz < 10kHz Basic + 0.002%/kHz < 1MHz Basic + 1.6% + 0.4%/MHz < 35MHz
LCD meter
Features	L, C, R (AC), Q, tan delta, Impedance, Phase - Series or Parallel Circuit
Frequency range	10μHz to 35MHz
Current shunt	External or N4L active head or IAI (impedance analysis interface)
LCD display measurement functions
Resistance （R）	1 milliohm to 500 milliohm
Reactance (X)	1 milliohm to 500 milliohm
Impedance (Z)	1 milliohm to 500 milliohm
Capacitance (Cp & Cs)	1pF to 1mF
Phase angle	0 to 360 degrees, 0.001 degree resolution
Q. Factor	+/- 0.00001 ~ 9999.99
Tan Delta (reciprocal of Q, also known as dissipation factor D)	+/- 0.00001 ~ 9999.99
Admittance (Y) reciprocal of impedance (Siemens)	+/- 2nS to 1KS
Conductance (G) — resistive part of admittance (siemens)	+/- 2nS to 1KS
Susceptance (B) — reactive part of admittance (siemens)	+/- 2nS to 1KS
Voltage bias	+/- 10V
Range - LCR head	Inductance - 100nH to 10kH Capacitance - 10pF to 1000μF Resistance - 10mΩ to 100MΩ
Range-IAI	Inductance - 10nH to 10kH Capacitance - 1pF to 1000μF Resistance - 1mΩ to 500MΩ
Basic accuracy	0.1% + tolerance of selected shunt
Sweep capability	All AC functions
IAI Impedance Analysis Interface
Frequency range	10μHz to 35MHz
Basic accuracy	0.1%<1kHz 0.2% + 0.0005% / kHz<35MHz
Internal shunt phase accuracy	Low 5Ω 0.1 degree + 0.01 degree/kHz Normal 50Ω 0.05deg + 0.005deg/kHz High 5kΩ 0.05 degree + 0.005 degree/kHz Very high 500kΩ 0.1 degree + 0.05 degree/kHz
Power supply	90-264V RMS 47-64Hz
True RMS voltmeter
Channel	2
Frequency range	DC to 1MHz, 1MHz to 35MHz Fundamental Only
Measurement	RMS, AC, DC, peak, CF, surge, dBm
Basic accuracy (AC)	As VVM + 0.05mV
Accuracy (DC)	0.01% VA range + 0.1% reading + 0.5mV
Power meter
Measurement	W, VA, PF, V, A, - total, fundamental and integrated, power harmonics
Frequency range	20mHz to 1MHz 1MHz to 35MHz Fundamental Only
Current shunt	External or using N4L power adapter
Current accuracy	As voltage + external shunt tolerance
Watt accuracy	0.1% VA range + 0.1% reading + external shunt tolerance
Harmonic analyzer
Sweep	Single or series
Frequency range	10μHz to 1MHz
Measurement	Harmonics, series harmonic distortion or differential harmonic distortion
Max harmonics	50
System specifications
Input range
Input	2 balanced differential
Connection	Double Grounded BNC
Coupling	AC or AC+DC
Max input	10Vpk from Earth
Input range	10V， 3V， 1V， 300mV， 100mV， 30mV， 10mV， 3mV， 1mVpk
Scaling	1 x 10^-9 to 1 x 10^9
Ranging	Fully automatic, up-only, or manual
Input impedance	1M // 30pF (excluding leads)
Signal generator
Type	Direct digital synthesis
Frequency	10μHz to 35MHz
Waveform	Sine, Square Wave (1MHz)
Accuracy open loop (no trim)	Frequency ±0.05% ±10% < 10MHz±20% < 35MHz
Accuracy closed loop (with trim)	±1% < 10MHz±5% < 35MHz
Impedance	50Ω ±2%
Output voltage (open circuit)	0V to ±10Vpk
Output resolution	Depends on 50μV to 5mV Level
Offset	0V to ±10Vpk
Offset resolution	±10VmV
Clock rate	150MHz
connectors	Grounded BNC
Data logging
Features	Up to 4 measurement functions user-selectable
Data logging window	Starting from 10ms, no gap between each log
Memory	Up to 8,000 records in RAM or non-volatile memory
High-speed data streaming
率	Maximum 1500 readings/sec
窗	660μs to 1s synchronized to waveform
Buffer	8000 results
General
Display	320 x 240 dot LCD - white LED backlight
Alarm	Any displayed function Hi, Lo, inside window or outside window
Program storage	100, program 1 loaded at power-up
Sweep store	30, all parameters in any sweep function
Remote operation	Full function, control and data
Size	Approx. 170 H x 350 W x 250D mm
Temperature	5 to 35⁰C
Weight	Approx. 4 kg
Power supply	90-264V RMS 47-63Hz max 30VA

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PSM1735 options, software and accessories

Communication interfaces:

Standard: RS232
Optional: LAN (Option L), GPIB (Option G)

Probe and probe accessory options:

LCR1 Active Head + Kelvin lead set
IAI impedance analyzer interface+Kelvin lead set
IAI 22mm Adapter 22mm, BNC test fixture adapter for N4L IAI/IAI2 and third-party impedance fixtures
IAI Kelvin clipAxial and radial component connections for LCR measurement
TA107Transimpedance amplifier
TTF35Telecom test fixture
PSM1 Power meterAdapter (Power Measurement Using PSM1735)
LCR Kelvin headKelvin substitution lead set
HVx100 2500VAttenuator probe

Injection transformer option

Standard injection transformer10Hz to 200kHz
High-frequency injection transformer500Hz to 35MHz
High-voltage injection transformer5Hz to 15MHz 600V CAT II isolated
Low-frequency injection moduleDC to 100kHz

Current measurement options:

HF010m 10mΩ/20Arms 1MHz bandwidth shunt
HF100m 100mΩ/6Arms 1MHz bandwidth shunt
HF470m 470mΩ/3Arms 1MHz bandwidth shunt
HF01A1Ω/1Arms 1MHz bandwidth shunt

Port accessory options:

USB to 9-pin RS232 serial converter

Carrying case:

PSM soft carrying case – black nylon padded case with accessory compartment, handle, and strap

Rack mount kit option:

PSM17xx Rack mount kit – 19“ rack mount kit, including brackets and fixing screws for PSM17xx

Calibration and documentation:

Standard recalibration – PSM17xx
Standard Recalibration – PSM17xx + IAI
External Laboratory ISO17025 UKAS Calibration + Standard Calibration – PSM17xx
Spare user manual – hard copy of user and communication manuals

PC software (host computer):

PSMComm – PSM PC interface software, database, graphics, real-time data display (PSMComm2 User Manual v1_1bPDF，2.79Mb）
PSMSoft – LabVIEW Executable with PSM, including Nyquist Simulation

Looking for more sales, technical and solutions information?

N4L PSM1735 – 10uHz to 35MHz Frequency Response Analyzer

10 μHz–35 MHz Multifunction High-Performance Gain/Phase Frequency Response Analyzer

Features and benefits

PSM1735 options, software and accessories

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