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T.M.I.

Test and Measurement Instruments C.C.

          CK 1985/007464/23

“Tomorrow’s Instruments Today”  —  “For Good Measure” ®

TMI, Established—1982

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Oscilloscopes

Oscilloscopes

Oscilloscopes, Digital Storage and Analogue, with good bandwidth and triggering facilities. Click here for useful Partial Oscilloscope Selection Guide.

Various Model Oscilloscopes Up to 250 Mhz. Colour or Mono Digital Storage Oscilloscopes with LCD Display, 2 Channel, 200Ms/s Sampling etc.  

Digital Storage Bench OscilloscopesDigital Storage Bench Oscilloscopes

Various Model Oscilloscopes Up to 200 MHz Colour or Mono Oscilloscopes, 2CH,25 GSa/s Equiv. Sample Rate, Maths Functions, Advanced Triggering, USB

Compact Digital Storage OscilloscopesCompact Digital Storage Oscilloscopes

Various Model Oscilloscopes up to 200 Mhz. Handy Colour Oscilloscopes. Small Size and channel. PC Interface Lightweight.Sample rate of 100 MS/s.

T+M TM200C 200 Mhz Digital Handheld Storage Oscilloscope

Various Models of Oscilloscopes up to 100Mhz. Many traditional features.

Analogue OscilloscopesAnalogue OscilloscopesT+M TM200C 200 Mhz Digital Handheld Storage Oscilloscope

Notes On Oscilloscopes.

Oscilloscopes for Sale show an electronic signal in a pattern or waveform on a screen. As it is traced across the screen, the waveform creates a signature of the signal's characteristics. Specifications for oscilloscopes include bandwidth, number of input channels, number of trigger inputs, and resolution. Bandwidth is the frequency range over which oscilloscopes meet their accuracy specifications. Accuracy degrades at lower and lower frequencies unless the oscilloscope is capable of direct current (DC) response. Accuracy also degrades at higher frequencies near resonance and beyond, causing the output response to roll off. The number of input channels is the number of possible, simultaneous signal measurements. Channels can be differential or single-ended. The number of trigger inputs is the number of digital or discrete channels that oscilloscopes use for low-level on-off signals. Resolution refers to the degree of fineness of the digital word representing the analog value. A ten-bit number contains 210 (1024) increments and allows a 0 - 10 V signal to be resolved into approximately 0.01 V increments. A 12-bit representation provides  212 (4096) increments of 0.0024 V for the same signal. PC Oscilloscope and Pocket Oscilloscope popularity is on the increase in the PC Based Oscilloscope Market doing away with the Second Hand Oscilloscope Market. Analog Oscilloscopes are not popular any longer.

Oscilloscopes use a host interface to communicate with a host computer or other electronic test equipment. Osciloscopes can use a serial port, parallel port, modem or telephone line, universal serial bus (USB), general-purpose interface bus (GPIB), small computer systems interface (SCSI), or Ethernet connection which makes it ideal for Oscilloscope Downloads. Serial ports transfer data one bit a time. RS232, RS422, and RS485 are common serial interfaces. Parallel ports transfer more than one bit at time. Personal computer (PC) printer ports and Centronics ports use parallel communications. Modems (modulators/demodulators) are devices or programs that enable a computer to transmit data over telephone lines. Universal serial bus (USB) is a 4-wire, 12-Mbps serial bus for low-to-medium speed peripheral device connections to personal computers and are called PC Oscilloscopes.

The general-purpose interface bus (GPIB) is designed to connect computers, peripherals and laboratory instruments so that data and control information can pass between them. Small computer systems interface (SCSI) is an intelligent I/O parallel peripheral bus with a standard, device-independent protocol that allows many peripheral devices to be connected to the SCSI port. Other specialized and proprietary host interfaces for oscilloscopes are also available.

Traditional Cathode Ray Tube Oscilloscopes provide many different features which are Ideal for DIY Osciloscopes. Some devices have a relay or switch output for limit detection or other state signalling. Others are powered by a replaceable or rechargeable battery, or are designed to be used while held in one hand. Oscilloscopes that are rated for high-power applications can monitor and/or display currents and voltages associated with electrical power or high-power switching. Typically, these currents and voltages are much higher that standard sensor signal levels. In terms of storage capacity, oscilloscopes can include  a hard drive, nonvolatile memory, or on-board random access memory (RAM). Removable storage media devices such as tapes, diskettes, and PCMCIA cards are also available.

Portable Oscilloscopes that are marketed in Europe Union (EU) countries should meet two important directives: Restriction of Hazardous Substances (RoHS) and Waste Electrical and Electronics Equipment (WEEE). RoHS requires manufacturers of electronic and electrical equipment to demonstrate that their products contain only minimal levels of lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyl and polybrominated diphenyl ether. Waste Electrical and Electronics Equipment (WEEE) is and EU directive that is designed to encourage the reuse, recycling and recovery of electrical and electronic equipment. WEEE establishes requirements and criteria for the collection, treatment, recycling and recovery of such devices. WEEE also makes producers responsible for financing these activities, and requires retailers and distributors to provide a way for consumers to return used or obsolete equipment at no charge, Thus the need to check the Digital Storage Oscilloscope Price.

The use of EZ Digital Oscilloscopes, Atten Oscilloscopes and Bitscopes could be improved by reading an Oscilloscope Tutorial, and the benefits would be greatly increased if used together with a Multimeter for Diagnosis with the Oscilloscope. Rigol Oscilloscopes have now shown their presence and compete with Tektronix Oscilloscopes and are not classified Cheap Oscilloscopes in “ Handheld Oscilloscopes for Sale “ Columns. Agilent Oscilloscopes have also become very Popular Recently in the Digital Oscilloscope Market Competing with the Fluke Oscilloscopes when used in conjunction with Fluke Digital Multimeters and IPad  Oscilloscopes or Fluke Scope Meters. Tektronix, Rohde and Schwarz with their Oscilloscope Probes have also been a factor to consider as is the Case with Owon Oscilloscopes, Iwatsu Oscilloscopes, USB Oscilloscopes, Instek and others. Tutorials on how to use an oscilloscope, Test Equipment and Electrical Testers will soon be posted on this site. Used Oscilloscopes and other used equipment are not sold by us.

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Oscilloscopes

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Brand Names

Accessories    

Adaptors

Air Quality Meters

Alcohol Breath Tester

Alignment Equipment

AM & FM Signal Generators

Anemometers

Audio Generators

Audio Impedance Meter

Automotive testers

Balances

Barometers

Battery Analyser /

Battery Desulphator Charger

Bench DMM’s

Borescopes

Bread Boards

Breath  Alcohol Tester

Cable Fault Locators

Cable Height Meter

Cable Testers

Calibrators

Capacitance meters

Carbon Dioxide meters

Carbon Monoxide meters

Car Testers

Caster / Camber Gauges

Chlorine Meter

Clamp meters

Clearance Sale:

Colour Analysers

Combination Combo Meters

Concrete Testing

Conductivity  / TDS meters

Contact Tachometers

Continuity Tester

Controller / Monitors

Corner Weight Scales

Current Meters, Bench Type

Data Acquisition Systems

Data Loggers

Decade Boxes

Dew Point Meters

Digital Vernier Calipers

Digital Scales

Digital Multimeters , DMMs

Dissolved Oxygen Meters

Distance Meters

Dust Monitoring

Earth resistance meter

Educational Systems

Electrical Connectors

EMF tester

Eye Tracker

Field Strength Meters

Force gauge

Frequency Counter

Function Generators

GSM Controller

Gas leak detector

Green Hybrid Power

Grid Dip Meter

Hardness tester

HV(High Voltage) Testing

Humidity meter

Hygrometers

Inductance Decade Box

Infrared Thermometers

Infrared Thermography

Inverters

Insulation tester

LCR meter

Leakage Clamp Meters

Logic Analyser

Logic Probes/Pulsers

Lux meter, (Light meter)

Manometer

Metal Detector

Micrometer

Microwave Leakage

Milliohm meter

Miscellaneous

Moisture meter

Multimeter

Night Vision Equipment

ORP meter

Oscilloscopes

Oxygen Meters

Pattern generators

Panel meter

PC-Based Instruments

Pen type tester

pH Meters and Probes

Photo Tachometer

Power analyzer

Power clamp meter

Power Supplies

Pressure/Vacuum meter

3 Phase Rotation Tester

Pressure Transducer

Probes, Oscilloscope

Protection Relay Testing

Proximity sensor

Racing Equipment

RCCB tester

Refractometers

Renewable Energy

RF Generators

Resistance Decade Box

Roughness tester

Rheostats

Salt meter

Satellite Testing Equipment

Security

Scales, Digital

Shore Hardness Tester

Simulators

Soil Moisture Meters

Soil pH meter

Solar Power Meter

Software

Sound level meter

Spectrum Analyser

Stroboscope

Student Bench Meters

Stun Guns

SWR / RF Power Meters

Tachometer

TDS / Conductivity Meters

Test Leads

Thermal Imagers

Thermography

Thermometer

Thermography Courses

Thickness Testers

Tone Generator/ Tracer

Torque meter

Torque wrench

Transformer Testing

Transient Suppressors

Transmitters

TV & Satellite Meters

Turbidity Meter

Ultrasonic Flaw Detector

Ultrasonic Thickness

UV light meter

Vacuum meter

Variable Transformers

Verniers, Micrometers

Vibration meter

Video Scope

Watt meter

Water Tester

Water Testing Meters

Vacuum/Pressure meter

Voltmeters, Bench Type

Voltage Detectors

Voltage Regulators

5 Way® Binding Posts

Voltage Stabilisers

T + M®                      

Lodestar

ElektroPhysik          

Promax                   

Time Group

TECPEL

S.E.W. Standard Electric Works

MSR Electronics

Superior Electric

Danatronics

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30th anniversay of Test and Measurement Instruments c.c.

Ph:           +27 (011) 683 4365

Fax:          +27 (011) 683 4461

E-mail:     t.m.i@iafrica.com

www.instrumentsgroup.co.za

 

NEW  Address:

(from 6 January 2016)

Physical   Address:              

3 Angelica Ave,

Glenvista, Johannesburg, 2091

SOUTH AFRICA

 

Postal Address:

P.O. Box 1416,

Southdale,

Johannesburg, 2135,

SOUTH AFRICA

TMI Monthly Specials

This Month’s Special

Thermography—Thermal Imager— Infrared Camera.

FLIR E5 (120 x 90 Pixels)

 

R 19,950.00 + VAT

while stocks last. 

 

FREE Thermography

Introductory Course

Included with Lunch.

 

One Day Course.

Click  Ex-Series  for Spec.

Also: Thermal Imagers

FLIR E4 Thermal Camera