Thermo KeyTek

PMM design and manufacture EMI receivers, electromagnetic field meters and radiation hazard monitoring systems, harmonics & flicker analysers and a range of immunity test systems.
Further product information on this web-site can be accessed by selecting the information icon ().
For further information and datasheets, please contact us.

EMI Receivers | Field Meters | Harmonics & Flicker | Immunity Systems

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EMI Receivers
PMM 7000 Pre-compliance EMI Receiver; 150kHz to 1GHz.
Incorporates 3 simultaneous detectors (Peak, Quasi-Peak and Average), built-in single phase Line Impedance Stabilisation Network (LISN) for conducted measurements, active dipole antenna (AD-7000) for radiated measurements and Windows application software.
PMM 8000PLUS CISPR 16-1 compliant EMI Receiver; 9kHz to 1.2GHz.
Features 3 simultaneous detectors (Peak, Quasi-Peak and Average), built in 10dB pre-amplifier, RF pre-selector, RF tracking generator, pulse limiter (9kHz to 30MHz input only), programmable user port for driving external devices such as turntables or LISNs and Windows application software. The PMM 8000PLUS offers an impressive array of features for less than you would normally expect to pay for a conducted only receiver (9kHz to 30MHz).
PMM 9000 CISPR 16-1 compliant EMI Receiver; 9kHz to 1.2GHz.
The PMM 9000 is effectively a stand-alone PMM 8000PLUS featuring 3 simultaneous detectors (Peak, Quasi-Peak and Average), built in 10dB pre-amplifier, RF pre-selector, RF tracking generator, pulse limiter (9kHz to 30MHz input only), programmable user port for driving external devices such as turntables or LISNs, colour display, built-in hard disk drive, floppy disk-drive and RS232 interface (GPIB also available). A discontinuous interference counter is also available as an option for testing to EN 55014.
PMM 8010/8030 The popular PMM 8010 and 8030 receivers have now been superceded by the PMM 8000PLUS
A combined hardware and software upgrade is available for users with the old DOS based software that allows the receivers to be run under Windows over a standard RS232 serial link.
Emissions Accessories
L1-150 Single line, single phase, Line Impedance Stabilisation Network (LISN); 150A, 50 Ohms//1 Ohm+50mH, 9kHz to 30MHz
L2-D Delta network Line Impedance Stabilisation Network (LISN) for telecom applications, 2A, 150 Ohm
L2-16A Two line, single phase, Line Impedance Stabilisation Network (LISN); 16A, 50 Ohms//5 Ohms+50mH, 9kHz to 30MHz
L3-32 Four line, three phase, Line Impedance Stabilisation Network (LISN); 32A, 50 Ohms//5 Ohms+50mH, 9kHz to 30MHz
L3-64 Four line, three phase, Line Impedance Stabilisation Network (LISN); 64A, 50 Ohms//5 Ohms+50mH, 9kHz to 30MHz
L3-100 Four line, three phase, Line Impedance Stabilisation Network (LISN); 100A, 50 Ohms//5 Ohms+50mH, 9kHz to 30MHz
L3-500 Four line, three phase, Line Impedance Stabilisation Network (LISN); 350A, 50 Ohms//5 Ohms+50mH, 9kHz to 30MHz
VNET-1 150 Ohms "V" Network for testing of lighting equipment to EN 55015
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Electromagnetic Field Meters
PMM 8052 Electromagnetic Field Meter with two fibre optic inputs for EP-115 probes; 10Hz to 18GHz.
Includes battery charger and soft carrying case.
PMM 8053 General purpose Electromagnetic Field Meter; 5Hz to 40GHz.
Includes battery charger, Windows data logging download software, RS232 cable and soft carrying case.
A probe is required corresponding to the frequency range of interest.
  • EP-105 - Isotropic E-field probe, 100kHz to 1GHz, to 50V/m, 0.05V/m sensitivity.
  • EP-183 - Isotropic E-Field probe, 10MHz to 18GHz, to 1kV/m, 1.0V/m sensitivity.
  • EP-301 - Isotropic E-Field probe, 100kHz to 3GHz, to 1kV/m, 1.0V/m sensitivity.
  • EP-330 - Isotropic E-Field probe, 100kHz to 3GHz, to 300V/m, 0.3V/m sensitivity.
  • EP-33M - Isotropic E-Field probe for cellular applications; 700MHz to 3GHz, to 300V/m, 0.3V/m sensitivity.
    This probe has a specially weighted frequency response optimised for telecommunications measurements.
  • EP-408 - Isotropic E-Field probe; 1MHz to 40GHz, to 800V/m, 0.8V/m sensitivity.
  • EHP-50A - Isotropic Electric & Magnetic Field probe, 5Hz to 100kHz, to 100kV/m and 10mT. Includes DSP allowing spectrum analysis on PMM 8053 and built-in fibre optic interface.
  • HP-032 - Isotropic H-field probe, 100kHz to 30MHz, to 20A/m.
  • HP-50 - Isotropic H-field probe, 50/60Hz.
  • HP-102 - Isotropic H-field probe, 30MHz to 1GHz, to 20A/m, 0.016A/m sensitivity.
SB-04 PC controlled Automatic Switching Box for PMM 8053 series probes.
Allows connection of up to 4 devices for continuous measurement. Up to 4 SB-04's can be cascaded to allow continuous measurement from up to 16 probes. Supplied with battery charger, Windows software and RS232 interface cable.
OR-03 Programmable fibre optic repeater for PMM 8053 probes.
Designed for EMC applications, allows direct interface between PMM SW03 and the corresponding probe without the need for a PMM 8053. Supplied with 10m fibre-optic cable.
PMM 8055 Electromagnetic Field Monitoring Station; 5Hz to 40GHz.
Includes modem, dual-band GSM module, solar cells, rechargeable batteries and battery charger. A probe is required corresponding to frequency range of interest. A user supplied SIM card is required to facilitate operation and interrogation by SMS.
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Harmonics & Flicker Analyser
PMM 1000 Harmonics & Flicker analyser.
High performance dual-channel (Voltage, Current) digital analyser with four user selectable input ranges, digital control output, optically isolated IEEE 488 interface and Windows application software. Measures steady-state harmonics, transitory harmonics and flicker. A second voltage channel can be added to allow simultaneous monitoring of the power source and EUT - this can help determine if an AC source is necessary to fulfil the requirements of the standards. Fully compliant with the latest editions of IEC 1000-3-2, IEC 1000-3-3 and IEC 868 including amendments.
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Immunity Test Systems
PMM 6000S/10 Conducted RF Immunity test system
Comprising PMM 3000 Signal Generator (10kHz to 1GHz), PMM 6000N RF Power Amplifier (9kHz to 230MHz), M3-16 Mains Coupling/Decoupling Network (CDN), ATT-15W 6dB Attenuator (15W), SW-06 Windows software, Cables and calibration curves for 1, 3 and 10Vrms. The software also supports a number of popular signal generators and power meters. Alternate RF amplifiers and coupling transducers are available to suit individual applications.
PMM 3000 RF Signal Generator; 10kHz to 1GHz
Designed specifically for EMC applications, the PMM 3000 features a simple user interface with four memory locations which can contain sweep data for conducted or radiated immunity testing (requires SW-03 or SW-06 software). Built-in AM modulation at 400Hz or 1kHz, Pulse modulation at 200Hz and an external modulation input are provided as standard for maximum flexibility. An RS232/485 port is also provided to facilitate remote operation.
PMM 6600 RF power meter; 10kHz to 1GHz, 100nW to 0.5W (-40 to +27dBm)
A simple low-cost power meter designed for EMC applications, the PMM 6600 is supplied with a dual RS485 to RS232 converter allowing two devices to be run from a single RS232 port. e.g. to measure both forward and reflected power into an antenna.
PMM 1008 Magnetic field generator; 50/60Hz, 230V.
Supplied with 1m square loop antenna.
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Further information, including data sheets, can be found on the PMM web-site.