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The PSM3750 builds upon the success of the PSM2200 and PSM17xx series of frequency response analyzer ranges and combines the experience gained from the design and development of our power analyser range of isolated input channels in order to provide a solution for high voltage, high accuracy, isolated gain, and phase measurement. Utilising an innovative design that incorporates both direct digital analysis and heterodyning techniques within 500Vpk galvanically isolated input/output channels, the PSM3750 provides a broad range of measurement functions over a wider frequency range than any other instrument available today.
As with other N4L products, PSM3750 NumetriQ utilises the latest DSP and FPGA technology to optimise the use of its analogue hardware providing speed and measurement flexibility without compromise on the performance of each measurement function.
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| Frequency range 10µHz to 50MHz | Isolated inputs – 500 Vpk |
| Gain accuracy at < 1 MHz 0.01 dB | Phase accuracy at < 1 kHz 0.025° |
| Frequency response analyzer | Impedance analyzer |
| Vector Volt Meter / Phase Angle Volt Meter | RMS Volt Meter / Oscilloscope |
| Loop response analysis | Harmonic analyser |
This product is designed and manufactured in the UK. Support is available directly from our UK facility and locally via our US office or network of international distributors. All measurements are traceable to UKAS, certificates of conformance and calibration are supplied as standard. Our products are CE marked.
| Brochures | Documentation |
| PSM3750_Brochure PDF, 7.7Mb | PSM3750 User Manual v3.1 PDF, 679Kb |
| PSM3750-Dimensions PDF, 90Kb | PSM3750 Comms manual v1.20PDF, 495Kb |
| PSM3750-Rack-Dimensions PDF, 90Kb | PSM3750 Start up guide v3.00 PDF, 2,720Kb |
| PSMComm2 User Manual v1_1c PDF, 2.79Mb | LCR Compensation Guide PDF, 165Kb |
| PSMComm2 Brochure | IAI2 User Manual PDF, 562Kb |
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Communications Interfaces: |
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Probes and Probe Accessory Options: |
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Injection Transformer Options |
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Current Measurement Options: |
Impedance measurement can also be performed via external shunts, the IAI2 is not required for this approach to impedance analysis and an LPA power amplifier provides the test signal. Voltage across the DUT is measured with CH1 on the PSM3750 and current through the device is measure with CH2 on the PSM3750 across the N4L HF current shunt.
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Port Accessory Options: |
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Carry Cases: |
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Rack Mounting Kit Options: |
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Calibration and Documentation: |
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PC Software (Free of charge): |
For application notes please see the app note section of our Knowledge Database
| MEASUREMENT SPECIFICATION | |
|---|---|
| Frequency Response Analyser | |
| Measurement | Magnitude, Gain (CH1/CH2, CH2/CH1), Gain (dB), Offset Gain (dB), Phase (º) |
| Frequency Range | 10µHz – 50MHz |
| Gain Accuracy in dB | 0.01dB + 0.1dB / MHz < 5MHz 0.31dB + 0.04dB / MHz < 50MHz |
| Phase Accuracy | 0.025º < 10kHz 0.05deg + 0.00025deg / kHz < 50MHz |
| Frequency Source | Generator or CH1 Input |
| Measurement | Real Time DFT, no missing data |
| Speed | Up to 100 reading per second |
| Filter | Selectable from 0.2 seconds |
| Phase Angle Voltmeter | |
| Measurement | In Phase, Quadrature, Tan Ø, Magnitude, Phase, In-Phase ratio, rms, rms ratio, LVDT differential, LVDT ratiometric |
| Frequency Range | 10µHz – 50MHz |
| Basic Accuracy (AC) | 0.075% range + 0.075% reading + 50µV < 10kHz 0.075% range + 0.25% + 0.001% / kHz rdg + 50µV < 1MHz 0.075% range + 0.01% + 0.00025% / kHz rdg + 50µV < 50MHz |
| L C R Meter | |
| Functions | L,C,R (AC), Q, Tan Delta, Impedance, Phase – Series or Parallel Circuit |
| Frequency Range | 10µHz – 50MHz (35MHz - 50MHz reference only) |
| Current Shunt | External or Optional IAI2 Impedance Interface |
| LCR Measurement Functions | |
| Resistance (R) | 1mOhm to 500MOhm |
| Reactance (X) | 1mOhm to 500MOhm |
| Impedance (Z) | 1mOhm to 500MOhm |
| Capacitance Value (Cp & Cs) | 1pF to 1mF |
| Phase Angle | 0 to 360 deg with 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 |
| Ranges (External Shunt) | Inductance 1H to 100 H Capacitance 100pF to 100F Resistance 1Ω to 1MΩ |
| Basic Accuracy | 0.1% + Tolerance of Shunt |
| Sweep Capability | all AC functions |
| True RMS Voltmeter | |
| Channels | 2 (Optional 3rd Channel Available) |
| Frequency Range | DC to 5MHz 5MHz to 50MHz fundamental only |
| Measurement | RMS, AC, DC, PEAK, CF, SURGE, dBm |
| Basic Accuracy (AC) | As PAV + 0.05mV |
| Basic Accuracy (DC) | 0.1% range + 0.1% reading + 0.5mV |
| Power Meter | |
| Measurements | W, VA, PF, V, A, Total, Fundamental and Integrated, Power Harmonics |
| Frequency Range | DC to 5MHz 5MHz to 50MHz fundamental only |
| Current Shunt | External |
| Current Accuracy | As Voltage + External Shunt Tolerance |
| Watts Accuracy | 0.1% VA range + 0.1% reading + External Shunt Tolerance |
| Signal Generator | |
| Type | Fully isolated 10Vrms output protected to 500Vpk, Direct Digital Synthesis |
| Frequency | 10µHz – 50MHz |
| Waveforms | Sine, Square, Triangle, Sawtooth, White Noise |
| Accuracy (no trim) | Frequency 0.05% Amplitude ±5% < 10MHz, Amplitude ± 10% < 50MHz |
| Impedance | 50 Ohm ± 2% 100pF to Chassis |
| Output Level (Open Circuit) | 35mVrms to 10Vrms |
| Offset | ±10vdc, Resolution 20mV |
| Harmonic Analyser | |
| Scan | Single or Series |
| Frequency range | 20mHz to 5MHz 5MHz to 50MHz Fundamental only |
| Measurement | Harmonic, Series, THD, Difference THD |
| Max Harmonic | 100 |
| Input Ranges | |
| Differential Inputs | 2 or 3 x Isolated Inputs 500Vpk |
| Connectors | Isolated BNC |
| Coupling | AC+DC, AC (<10VDC), AC (< 500VDC) |
| Ranges | 3mV, 10mV, 30mV, 100mV, 300mV, 1V, 3V, 10V, 30V, 100V, 300V, 500V, 300mV∗, 1V∗, 3V∗, 10V∗ ∗ High Voltage Attenuator |
| Scaling | 1 x 10^-9 to 1 x 10^9 |
| Ranging | Full auto, Up only or Manual |
| Input Impedance | 1M Ohm Differential / 100pF to Chassis |
| Model Numbers | |
| Available Packages | |
| PSM3750 – 2C PSM3750 – 3C PSM3750 – 2C + IAI2 PSM3750 – 3C + IAI2 | 2 Channel PSM3750 3 Channel PSM3750 2 Channel PSM3750 + IAI2 3 Channel PSM3750 + IAI2 |
| IAI2 – Impedance Analysis Interface | |
| Specification | |
| Frequency Range | 10µHz – 50MHz |
| Measurement Parameters | L, C, R, Z, Phase, QF, Tan (δ), Series and Parallel Circuit |
| Basic Accuracy | 0.1% 1kHz 0.2% + 0.002% / kHz < 1MHz 0.2% + 0.0005% / kHz < 35MHz 0.2% + 0.001% / kHz < 50MHz |
| Measurement Ranges | 10nH to 10kH, 1pF to 1000F, 1mΩ to 500MΩ |
| Phase Accuracy of Internal Shunts | Low Shunt 5Ω, 0.1deg + 0.01deg / kHZ Medium Shunt 50Ω, 0.05deg + 0.005deg / kHz High Shunt 5kΩ, 0.05deg + 0.005deg / kHz Very High Shunt 500kΩ 0.1deg + 0.05deg / kHz |
| Accessories and Ports | |
| Accessories | |
| Probes | 4 off with 2 Channel Version. 6 off with 3 Channel Version |
| Leads | Output, RS232, Power |
| Software | CommView, PSMComm2 |
| Documentation | Calibration Certificate, User Manual |
| Ports | |
| RS232 | Baud Rate to 19200, RTS/CTS flow control |
| Analog Output | Bipolar ±10V on any measured function – BNC |
| Sync Output | Pulse Synchronised to Generator |
| Extension Ports (N4L Accessories) | 2 15 pin female D type |
| LAN (Standard) | 10 / 100 base-T Ethernet auto sensing RJ45 |
| GPIB (Standard) | IEEE488.2 Compatible |
| System Specifications | |
| Datalog | |
| Functions | Up to 4 measured functions, User Selectable |
| Datalog Window | From 10mS with No Gap between each log |
| Memory | RAM or Non Volatile Memory up to 16,000 records |
| General | |
| Display | 320 x 240 QVGA full colour TFT, White LED backlit |
| Dimensions | 130H x 400w X 315D mm excluding feet |
| Weight | 3.3kg (2Channel), 3.5kg (3 Channel) |
| Program Stores | 100, Location 1 Loaded upon Power Up |
| Sweep Stores | 2000, all parameters in any sweep function |
| Remote Operation | Full Capability, Control and Data |
| Operating Temperature | -5 to 50°C |
| Storage Temperature | -10 to 60°C |
| Relative Humidity Range | 20 to 90% Non-Condensing |
| IP Protection of Inputs and Outputs | IP30 - CEI EN 60529 |
| Max Altitude | 2,000 Metres |
| Power Supply | 90-264Vrms 47-63Hz 30VA max |
| CMRR | 140db @ 240Vrms – 50Hz, 120db @ 100Vrms – 1kHz |
| Warranty | 3 Years |
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