A Leading South African Test and Measurement Instruments Supplier

“For Good Measure”®

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Product List


Test and Measurement Instruments C.C.

          CK 1985/007464/23

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

TMI, Established—1982

English, Afrikaans, Portuguese Speaking.                         Master/Visa Credit Cards

Bench Type Multimeters

Bench DMM

Part No:  UPCB-01

Computer interface Cable for RS232 instruments Connecting earphone plug to instrument RS232 output, other side to COM terminal USB plug

Lutron UPCB-01 Computer Interface Cable


Lutron UPCB-01 Computer Interface Cable

Part No:  UPCB-02

Photo Coupled Isolated Interface Cable for all instruments using RS232

Lutron UPCB-02 Photo Coupled Interface Cable

Part No:  USB-01

RS232 cable with driver software for RS232 instruments. Earphone plug connects instrument RS232 output to USB terminal on computer.

Lutron USB-01 RS232 cable with Driver Software



Lutron USB-01 RS232 cable with Driver SoftwareLutron UPCB-02 Photo Coupled Interface CableLutron USB-01 RS232 cable with Driver SoftwareLutron UPCB-02 Photo Coupled Interface CableLutron UPCB-01 Computer Interface Cable

Part No:  DL-9601A

Paperless Data Logger/ Recorder with Real Time, 8000 Memory, Sampling Time (1sec to 8Hours)

Lutron DL-9601A Paperless Data Logger


Lutron DL-9601A Paperless Data LoggerLutron DL-9601A Paperless Data Logger


Part No:  UPCB-04

RS232 Cable, (Double Female D9 RS232 Cable)

Lutron UPCB-04 RS232 Interface Cable


Lutron UPCB-04 RS232 Interface CableLutron UPCB-04 RS232 Interface Cable

Notes on Digital Multimeters.

Digital multimeters or DMM’s are instruments that are used to measure electrical quantities such as voltage, current, resistance, frequency, temperature, capacitance, and time period measurements. Basic functionality includes measurement of potential in volts, resistance in ohms, and current in amps. Multimeters are used to find electronic and electrical problems. Advanced units come with more features such as capacitor, diode and IC testing modes.

Digital multimeters are generally bench top or handheld. Bench top models can also be portable by use of handles and wheels. Handheld multimeters are specifically designed to be used while holding, i.e. can be operated with one hand. Digital multimeters display information on a digital screen. Commonly they have between 3 and 6 digits, but some units come with larger screens that can display 7 or more digits. The fastest sampling rate is also important to consider.

Specific measurements made by digital multimeters include DC voltage, AC voltage, DC current, AC current, resistance, capacitance, frequency range, time period, and special measurements. Special measurements include continuity check, audible continuity, diode test, maximum or minimum or peak spike measurement, RTD temperature measurement, thermocouple temperature, and transistor test. Continuity checks will give an indication to the user that a closed loop exists due to the probes touching each other. Digital multimeters with audible continuity will beep when probes are touching each other. Diode test will check to see if a diode is good or bad. Digital multimeters with maximum or minimum or peak spike measurement can measure and display when these events occur. Some multimeters are capable of measuring temperature with either an RTD or thermocouple probe. Multimeters with transistor test is capable of examining a transistor and telling the using where the emitter, collector, and base is located. When searching for digital multimeters it is important to consider the measurement range for whichever value is being measured.

Common features for digital multimeters include battery power, analog bar graph, dB readings, auto-ranging, adjustable sampling rate, programmable, data acquisition, data storage and logging, removable data storage, and triggering. Devices with battery power can be operated without plug in power. Output options for digital multimeters include GPIB, IEEE 488, RS232, BCD, and D/A. An important environmental parameter to consider when searching for analog multimeters is the operating temperature.

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Bench Digital Multimeters

T + M ®

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Part No:  SW-U801WIN        

Software, Windows 95/98, 8-channels, Data Logging Data recording using instruments with connectivity as sensors. For 32 Bit PC’s only.

Lutron SWU-801WIN Data Logging Software


Lutron SWU-801WIN Data Logging SoftwareLutron SWU-801WIN Data Logging Software
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EZ Digital DM442B Digital Bench Multimeter

Part No   DM442B

T + M®

4 3/4 Digit True RMS LCD. Multifunction ACV/DCV/ACA/DCA/R/Cap/Freq/ Duty Cycle/Temp/ Loop Current/ Diode test and continuity. High resolution. 0.03%DCV accuracy. Software.

EZ Digital DM442B Digital Bench MultimeterEZ Digital DM442B Digital Bench MultimeterT+M Instruments Lutron InstrumentEZ Digital Fluke Instrument Time Group High Time TechnologyFlir Infrared ThermometryITC Training Centre Thermography CoursesElektroPhysik
Promax Electronics Lodestar Electronics Acute PC-Based Instruments from Test andMeasurement Instruments C.C.Intercomp "For any Measure"MSR Electronics Superior Electric PowerstatK and H EducationalSEW InstrumentsRishabh LogoDanatronics LogoYokogawa Instruments T+M VERYTEK range of test and meaurement instrumentsRohde and ShwarzTMI PagerankMegger Test Instruments and Equipment, Megger South Africa, Megger SA.Extech Test and Measuring InstrumentsHurleyIR Military Night Thermal Cameras and GimbalsIntoximeters Breath Alcohol Testers

Brand Names



Air Quality Meters

Alcohol Breath Tester

Alignment Equipment

AM & FM Signal Generators


Appliance Testers

Audio Generators

Audio Impedance Meter


Automotive testers



Batteries for Equipment

Battery Analyser /

Battery Desulphator Charger

Bench DMM’s


Bread Boards

Breath  Alcohol Tester

Cable Fault Locators

Cable Height Meter

Cable Testers


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

Coronavirus COVID-19

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

Drain Pipe Camera

Drug Testing

Dust Monitoring

Earth resistance meter

Earth Leakage Tester, ELCB

Educational Systems

Electrical Connectors

Electromagnetic Field Testers

Electrostatic Field Tester

EMF tester

Explosives Testing

Eye Tracker

Field Strength Meters

Force gauge

Frequency Counter

Function Generators

GSM Controller

Gas leak detector

Green Hybrid Power

Grid Dip Meter

Hardness tester

Helicopter IR Gimbals

HV(High Voltage) Testing

Humidity meter


Inductance Decade Box

Infrared Thermometers

Infrared Thermography


Insulation tester

Laser Levelling

LCR meter

Leakage Clamp Meters

Logic Analyser

Logic Probes/Pulsers

Lux meter, (Light meter)


Metal Detector


Micro-Ohm Meters

Microwave Leakage

Milliohm meter


Moisture meter


Night Vision Equipment

Optical Gas Imaging OGI Thermal Cameras

ORP meter


Oxygen Meters

Pattern generators

Panel meter

PC-Based Instruments

Pen type tester

pH Meters and Probes

Pipe Inspection Camera

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

RCD, RCCB Testers

Radiation Testers


Renewable Energy

RF Generators

Resistance Decade Box

Roughness tester


Salt meter

Satellite Testing Equipment


Scales, Digital

Shore Hardness Tester


Soil Moisture Meters

Soil pH meter

Solar Power Meter


Sound level meter

Spectrum Analyser


Student Bench Meters

Stun Guns

SWR / RF Power Meters


TDS / Conductivity Meters

Test Leads

Thermal Cameras– Long Distance –20Kms

Thermal Imagers



Thermography Courses

Thickness Testers

Tone Generator/ Tracer

Tools - Hydraulic Crimp

Torque meter

Torque wrench

Transformer Testing

Transient Suppressors


TV & Satellite Meters

Turbidity Meter

Ultrasonic Flaw Detector

Ultrasonic Thickness

UV Corona & IR Cameras, Combined

UV light meter

Vacuum meter

Variable Transformers

Verniers, Micrometers

Vibration meter

Video Scope

Watt meter

Water Tester

Water Testing Meters

Weather Station

Vacuum/Pressure meter

Voltmeters, Bench Type

Voltage Detectors

Voltage Regulators

5 Way® Binding Posts

Voltage Stabilisers

XRF Analysers

All brands, trade names, trade marks, and logos are the property of their respective owners.

T + M®                      




Time Group




Superior Electric


S.E.W. Standard Electric Works

Ph:   +27 (011) 683 4365 / 6 / 7

E-mail: sales@instrumentsgroup.co.za






Physical   Address:              

3 Angelica Ave,

Glenvista, Johannesburg, 2091



Postal Address:

As Above.

011 683 4365
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Also: Thermal Imagers

FLIR TG267 Thermal Imagng Spot Non Contact Thermometer

Part No   MDM-5500

4 3/4 Digit True RMS, Multifunction ACV/DCV/ACA/DCA/R/Hz/Cap/Diode test and continuity. 65 readings / Sec. High resolution. Up to 0.05%DCV accuracy.


Matrix MDM-5500 Bench Digital Multimeter
Matrix MDM-5500 Bench Digital MultimeterMatrix MDM-5500 Bench Digital Multimeter