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Multimeters
 
A Multimeter or a multi-meter, also known as a DVM, Volt/Ohm Meter or VOM, is an electronic measuring instrument that combines several functions in one unit. Multimeters include features such as the ability to measure voltage, current and resistance. Multimeters may use analog or digital circuits—analog multimeters and digital multimeters (often abbreviated DMM or DVOM.) Reliability Direct is proud to offer the full range of multimeters manufactured by Extech Instruments
 

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Extech EX570 12 Function True RMS Industrial MultiMeter with IR Thermometer RDI-CRE-KIT Corrosion Detection Kit Extech EX540 12 Function True RMS Industrial MultiMeter/Datalogger Extech EX542 12 Function True RMS Industrial MultiMeter/Datalogger
Our Price: $249.99
Our Price: $139.95
Our Price: $299.99
Our Price: $299.99
Extech EX570 12 Function True RMS Industrial MultiMeter with IR Thermometer RDI-CRE-KIT Corrosion Detection Kit Extech EX540 12 Function True RMS Industrial MultiMeter/Datalogger Extech EX540 12 Function True RMS Industrial MultiMeter/Datalogger
True RMS, autoranging DMM with large digit LCD display and Type-K/IR temperature function
Identify corrosion problems instantly with the RDI-CRE-KIT. The digital screen offers an easy-to-read display, and each kit comes with the meter and test leads in a convenient pouch for easy use. Also included is the RDI-CRE Corrosion Reference Electrode.
MultiMeter/Datalogger (up to 9,999 readings) with Wireless PC interface (915MHz) MultiMeter/Datalogger (up to 9,999 readings) with Wireless PC interface (433MHz)
Extech EX500 Series Heavy Duty Industrial MultiMeters Extech EX470 True RMS Autoranging Multimeter with IR Thermometer Extech EX450 Autoranging Multimeter with IR Thermometer Extech EX430 True RMS Autoranging Multimeter
Our Price: $149.99
Our Price: $119.99
Our Price: $94.99
Extech EX500 Series MultiMeter EX470 True RMS Autoranging Multimeter with IR Thermometer EX450 Autoranging Multimeter with IR Thermometer EX430 True RMS Autoranging Multimeter
Waterproof Rugged Design with CAT IV-600V safety rating for industrial applications Combination Autoranging multimeter with IR Thermometer Combination Autoranging multimeter with IR Thermometer Economical True RMS Multimeter With 11 Functions
  • True RMS AC measurements
  • Relative function
  • Type K thermometer, Capacitance, Frequency, and Duty Cycle
  • Low current capability - measure down to 0.1uA
  • Audible and visual input alerts
  • Easy to read 1 inch digits on backlit display
  • Max Hold for AC/DC Voltage and Current measurements and Relative function for establishing a base line for reference
  • Complete with CAT III test leads, multi-position tilt stand and velcro strip for hanging, protective holster with test lead holder, bead wire temperature probe (-58 to 482 Deg. F/-50 to 250 Deg. C) and 9V battery
Reliability Direct TK440 Electrical Troubleshooting Kit RDI-CRE Corrosion Reference Electrode Extech 480172 3-Prong AC Line Splitter Extech 380193 LCR Meter
Our Price: $179.99
Our Price: $99.95
Our Price: $15.99
Our Price: $209.99
Reliability Direct TK440 Electrical Troubleshooting Kit 480172 3-Prong AC Line Splitter 380193 LCR Meter
The RDI-TK440 Electrical Test kit with IR is packaged to meet plant maintenance, HVAC or electrical technicians needs.
  • Packaged to provide electrical testing needs of HVAC, large appliances and electrical systems
  • IR Thermometer provides non-contact measurement of surface temperatures
  • Supplied in hard carry case that provides protection and organization of your meters.
The RDI-CRE Corrosion Reference Electrode is a professional-grade silver/silver-chloride (Ag/AgCl) reference electrode for performing corrosion potential surveys on boats and yachts.
  • Portable electrode has an integral 20’ marine grade cable
  • Weighted for easy submergence
  • Identify stray electrical current
AC Line Splitter Allows Clamp Meter to Measure AC Current on a 2-Wire or 3-Wire Power Cord to 15A
  • Provides easy and safe measurements of current without the need to cut off the plug and separate the conductors
  • Plugging the power connector into the Line Splitter separates the hot/live conductor from the neutral (and ground)
  • Also features voltage check function
Measures Inductance, Capacitance, and Resistance with secondary parameter (Q,D,R)
  • Simultaneous 20,000/10,000 count display of the primary parameter (L, C or R) with the secondary parameter of Q (quality), D (dissipation) or R (resistance)
  • Set Hi/Lo limits using absolute values or percentage limits
  • Parallel or Series equivalent circuit
  • Automatic blown fuse indication
  • Built-in test fixture or use external test leads
Extech 38387 600A AC Clamp Meter and MultiMeter Extech 380224 Heavy Duty Phase Indicator/MultiMeter Extech 380353 High Voltage Analog Megohmmeter Extech 380360 Insulation Tester Digital Megohmeter
Our Price: $59.99
Our Price: $129.99
Our Price: $189.99
Our Price: $239.99
38387 600A AC Clamp Meter and MultiMeter 380224 Heavy Duty Phase Indicator/MultiMeter 380353 High Voltage Analog Megohmmeter 380360 Insulation Tester Digital Megohmeter
Clamp Meter Includes AC/DC Voltage and Resistance Measurements
  • Peak Hold for in-rush Currents
  • Data Hold
  • Auto power off
3-phase sequence indicator plus MultiMeter with Frequency, Capacitance, and Temperature functions
 
  • Functions include Phase, AC/DC Voltage, Capacitance, Resistance, Frequency, Temperature, Continuity and Diode Phase indicator identifies clockwise or counter-clockwise wiring configuration via direction of arrow on display
  • Type K temperature measurements to 752°F (400°C)
1000V Analog Tester With Self Storage Case
  • Three test voltages of 250V, 500V and 1000V
  • Insulation Resistance to 400MŮ
  • Fuse protected and automatic discharge circuit
  • Test Lock for extended time tests
  • 2mA short circuit current
1000V Digital Tester With Automatic 3 Minute Test
  • Three test voltages of 250V, 500V and 1000V
  • Insulation Resistance to 2000MŮ
  • Safety Power Lock enables “hands free” operation for 3 minute test
  • Automatic discharge when safety “Press to Test” button is released
  • Continuity measurements to 200Ů and Voltage to 600VAC
Extech 380366 Datalogging Autoranging Insulation Tester / Megohmmeter Extech 380375 High Voltage Digital Insulation Tester / Megohmeter Extech 380385 Digital High Voltage Insulation Tester / Megohmeter Extech 380801 Appliance Tester and AC/DC Power Analyzer
Our Price: $489.99
Our Price: $729.00
Our Price: $1,029.00
Our Price: $649.00
380366 Datalogging Autoranging Insulation Tester / Megohmmeter 380375 High Voltage Digital Insulation Tester / Megohmeter 380385 Digital High Voltage Insulation Tester / Megohmeter 380801 Appliance Tester and AC/DC Power Analyzer
Autoranging insulation measurements to 4000Mohm with 250/500/1000V
  • Test Voltages and 1mA test current
  • Datalogging function stores up to 16,000 readings with single store or a programmable rate of 1 to 65,000 seconds per sample
  • Large dual 4000 count backlit LCD and fast 50 segment analog display
  • Data Hold, Test Lock, Audible continuity, and Low Resistance functions
  • Measure up to 600V AC RS-232 PC interface with Windows® 95/98/NT/2000/ME/XP compatible software
5kV Digital Tester With Real Time Voltage Bargraph
  • Four DC test voltages 0.5kV, 1kV, 2.5kV, 5kV
  • Measure Insulation Resistance to 250GΩ
  • Large LCD with real-time bargraph display of test voltage and voltage decay during discharge
  • Microprocessor based with advanced safety features
  • Enersave™ feature to extend battery life
10kV Digital Tester With 500V Increments And High Voltage Warning Alarm
  • Measure Insulation Resistance to 500GΩ
  • LCD display indicates test voltage, test duration and insulation resistance
  • Measures insulation test voltages up to 10kV and insulation test time
  • Automatic external live voltage warning
  • High voltage applied warning buzzer
Compact, Battery Operated Device For Analyzing AC Power Loads - With PC Interface Plus Datalogging
  • Four simultaneous displays of Watts, Power Factor or VA, Voltage or Hz, Amps
  • True RMS Voltage & Current measurements of sine, square, triangular and distorted wave forms with a crest factor < 5
  • Plug device to be tested directly into the Power Analyzer
  • Max, Data Hold and Overload Protection
  • Battery or AC adaptor provides line isolation
  • Sampling (update) rate is 2.5 times/second
   
 
Reliability Direct, Inc.
1010 East Main Street
League City, TX 77573
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