Diagnostic, Testing & Measurement Equipment: 100 Products for Technicians, Laboratories and Industrial Professionals

 

Diagnostic, testing and measurement equipment is essential for electricians, automotive technicians, mechanics, engineers, laboratory professionals, maintenance teams and industrial users. The right tool can help identify electrical faults, measure dimensions, inspect difficult-to-reach areas, monitor temperature, check pressure and troubleshoot equipment.

This guide organizes 100 types of diagnostic and measurement products by application. Prices are approximate ranges because individual product prices can change depending on brand, features and specifications.

Multimeters

1. Basic Digital Multimeter

• Type: Digital multimeter

• Feature: Measures voltage, current and resistance

• Quality: Budget

• Price: Approximately $10–$30

• Best for: Basic electrical testing

2. Klein Tools Digital Multimeter

• Type: Digital multimeter

• Feature: Professional electrical measurements

• Quality: Professional

• Price: Approximately $40–$200

• Best for: Electricians

3. Fluke Digital Multimeter

• Type: Digital multimeter

• Feature: High-accuracy professional testing

• Quality: Premium

• Price: Approximately $100–$1,000+

• Best for: Professional electrical diagnostics

4. Auto-Ranging Multimeter

• Type: Digital multimeter

• Feature: Automatically selects the measurement range

• Quality: Mid-range

• Price: Approximately $20–$150

• Best for: General electrical work

5. Clamp Meter

• Type: Electrical measuring tool

• Feature: Measures current without disconnecting conductors

• Quality: Professional

• Price: Approximately $30–$500+

• Best for: Electricians and industrial maintenance

6. True RMS Multimeter

• Type: Professional multimeter

• Feature: Measures complex AC waveforms

• Quality: Premium

• Price: Approximately $80–$500+

• Best for: Advanced electrical testing

7. Automotive Multimeter

• Type: Diagnostic multimeter

• Feature: Designed for automotive electrical systems

• Quality: Professional

• Price: Approximately $30–$300

• Best for: Mechanics and technicians

8. Bench Digital Multimeter

• Type: Laboratory measurement equipment

• Feature: High-precision bench testing

• Quality: Premium

• Price: Approximately $200–$2,000+

• Best for: Laboratories and workshops

Voltage Testers

9. Non-Contact Voltage Tester

• Type: Electrical tester

• Feature: Detects electrical voltage without direct conductor contact

• Quality: Professional

• Price: Approximately $10–$80

• Best for: Electricians and homeowners

10. Klein Tools Non-Contact Voltage Tester

• Type: Electrical safety tester

• Feature: Quick voltage detection

• Quality: Professional

• Price: Approximately $15–$100

• Best for: Electrical work

11. Voltage Tester Pen

• Type: Portable electrical tester

• Feature: Pen-shaped compact design

• Quality: Budget

• Price: Approximately $10–$50

• Best for: Quick electrical checks

12. Two-Pole Voltage Tester

• Type: Electrical tester

• Feature: Direct voltage measurement

• Quality: Professional

• Price: Approximately $20–$200

• Best for: Professional electrical installation

13. Outlet Voltage Tester

• Type: Electrical diagnostic tool

• Feature: Tests compatible outlet wiring conditions

• Quality: Good value

• Price: Approximately $10–$50

• Best for: Home and office electrical checks

14. GFCI Outlet Tester

• Type: Electrical safety tester

• Feature: Tests compatible GFCI outlets

• Quality: Good value

• Price: Approximately $10–$50

• Best for: Electrical troubleshooting

Electrical Testing Equipment

15. Circuit Breaker Finder

• Type: Electrical diagnostic tool

• Feature: Helps identify compatible circuit breakers

• Quality: Professional

• Price: Approximately $20–$200

• Best for: Electricians

16. Cable Tester

• Type: Electrical testing equipment

• Feature: Checks cable continuity and faults

• Quality: Good

• Price: Approximately $15–$300

• Best for: Technicians and network installers

17. Network Cable Tester

• Type: Network diagnostic tool

• Feature: Tests Ethernet and network cables

• Quality: Professional

• Price: Approximately $20–$500+

• Best for: IT technicians

18. Insulation Resistance Tester

• Type: Electrical test equipment

• Feature: Measures insulation resistance

• Quality: Professional

• Price: Approximately $100–$2,000+

• Best for: Industrial electricians

19. Circuit Tracer

• Type: Electrical diagnostic tool

• Feature: Helps trace electrical circuits

• Quality: Professional

• Price: Approximately $50–$1,000+

• Best for: Electricians and maintenance teams

20. Phase Rotation Tester

• Type: Electrical testing equipment

• Feature: Identifies phase sequence

• Quality: Professional

• Price: Approximately $50–$500

• Best for: Industrial electrical work

21. Continuity Tester

• Type: Electrical tester

• Feature: Checks whether an electrical path is continuous

• Quality: Budget

• Price: Approximately $10–$100

• Best for: Electrical troubleshooting

22. Receptacle Tester

• Type: Electrical diagnostic equipment

• Feature: Helps identify common outlet wiring conditions

• Quality: Good value

• Price: Approximately $10–$60

• Best for: Home and commercial maintenance

Digital Thermometers

23. Digital Pocket Thermometer

• Type: Digital thermometer

• Feature: Compact probe design

• Quality: Budget

• Price: Approximately $10–$50

• Best for: General temperature measurements

24. ThermoPro Digital Thermometer

• Type: Digital thermometer

• Feature: Fast digital temperature readings

• Quality: Good value

• Price: Approximately $15–$100

• Best for: Food, maintenance and general use

25. Fluke Digital Thermometer

• Type: Professional thermometer

• Feature: Professional-grade measurement

• Quality: Premium

• Price: Approximately $100–$1,000+

• Best for: Industrial diagnostics

26. Dual-Probe Digital Thermometer

• Type: Temperature measurement equipment

• Feature: Measures two locations simultaneously

• Quality: Professional

• Price: Approximately $30–$300

• Best for: HVAC and industrial applications

27. Data Logging Thermometer

• Type: Temperature monitoring device

• Feature: Records temperature data over time

• Quality: Professional

• Price: Approximately $50–$1,000+

• Best for: Laboratories and industrial monitoring

28. Thermocouple Thermometer

• Type: Professional temperature meter

• Feature: Uses thermocouple probes

• Quality: Professional

• Price: Approximately $30–$500

• Best for: Industrial and laboratory work

Infrared Thermometers

29. Basic Infrared Thermometer

• Type: Non-contact thermometer

• Feature: Surface temperature measurement

• Quality: Budget

• Price: Approximately $15–$50

• Best for: General inspections

30. Fluke Infrared Thermometer

• Type: Professional infrared thermometer

• Feature: Professional temperature measurement

• Quality: Premium

• Price: Approximately $100–$1,000+

• Best for: Industrial inspections

31. Laser Infrared Thermometer

• Type: Non-contact measuring tool

• Feature: Laser aiming system

• Quality: Mid-range

• Price: Approximately $20–$150

• Best for: Maintenance and troubleshooting

32. Thermal Imaging Camera

• Type: Thermal diagnostic equipment

• Feature: Displays temperature differences visually

• Quality: Professional

• Price: Approximately $200–$10,000+

• Best for: Electrical, mechanical and building inspections

33. FLIR Thermal Camera

• Type: Professional thermal imaging equipment

• Feature: Advanced thermal imaging

• Quality: Premium

• Price: Approximately $300–$10,000+

• Best for: Professional diagnostics

34. Infrared Temperature Gun

• Type: Temperature measuring equipment

• Feature: Handheld surface measurement

• Quality: Good

• Price: Approximately $15–$150

• Best for: Workshops and maintenance

Calipers

35. Digital Caliper

• Type: Precision measuring tool

• Feature: Digital dimensional display

• Quality: Good value

• Price: Approximately $15–$200

• Best for: Workshops and machining

36. Mitutoyo Digital Caliper

• Type: Professional precision tool

• Feature: High-precision measurement

• Quality: Premium

• Price: Approximately $100–$500+

• Best for: Machinists and engineers

37. Vernier Caliper

• Type: Precision measuring tool

• Feature: Manual vernier scale

• Quality: Professional

• Price: Approximately $10–$200

• Best for: Engineering and workshops

38. Dial Caliper

• Type: Mechanical measuring tool

• Feature: Analog dial measurement

• Quality: Professional

• Price: Approximately $30–$300

• Best for: Machining

39. Long-Reach Caliper

• Type: Specialized measuring tool

• Feature: Extended measurement reach

• Quality: Professional

• Price: Approximately $50–$500

• Best for: Specialized industrial measurements

40. Inside Caliper

• Type: Precision measurement tool

• Feature: Measures internal dimensions

• Quality: Professional

• Price: Approximately $20–$300

• Best for: Mechanical work

Micrometers

41. Outside Micrometer

• Type: Precision measuring tool

• Feature: Measures external dimensions

• Quality: Professional

• Price: Approximately $20–$300

• Best for: Machining and engineering

42. Digital Micrometer

• Type: Precision measurement equipment

• Feature: Digital readout

• Quality: Professional

• Price: Approximately $50–$500+

• Best for: High-precision work

43. Mitutoyo Micrometer

• Type: Premium precision instrument

• Feature: Professional measurement accuracy

• Quality: Premium

• Price: Approximately $100–$1,000+

• Best for: Engineering and manufacturing

44. Inside Micrometer

• Type: Precision measuring instrument

• Feature: Measures internal dimensions

• Quality: Professional

• Price: Approximately $50–$500

• Best for: Precision mechanical work

45. Depth Micrometer

• Type: Precision measuring tool

• Feature: Measures depth

• Quality: Professional

• Price: Approximately $50–$500

• Best for: Machining and engineering

46. Micrometer Set

• Type: Precision measurement kit

• Feature: Multiple measurement ranges

• Quality: Professional

• Price: Approximately $100–$2,000+

• Best for: Workshops and machine shops

Measuring Tools

47. Digital Angle Finder

• Type: Electronic measuring tool

• Feature: Measures angles digitally

• Quality: Good

• Price: Approximately $20–$200

• Best for: Construction and machining

48. Digital Level

• Type: Electronic measuring tool

• Feature: Digital angle and level measurement

• Quality: Professional

• Price: Approximately $30–$500

• Best for: Construction and installation

49. Laser Level

• Type: Precision alignment tool

• Feature: Projects level reference lines

• Quality: Professional

• Price: Approximately $30–$1,000+

• Best for: Construction and installation

50. Steel Measuring Tape

• Type: Linear measuring tool

• Feature: Flexible graduated measurement

• Quality: Budget

• Price: Approximately $10–$100

• Best for: General measuring

51. Laser Distance Meter

• Type: Digital measuring equipment

• Feature: Laser distance measurement

• Quality: Professional

• Price: Approximately $30–$500

• Best for: Construction and surveying

52. Digital Height Gauge

• Type: Precision measuring instrument

• Feature: Vertical height measurement

• Quality: Professional

• Price: Approximately $100–$2,000+

• Best for: Manufacturing and laboratories

53. Digital Depth Gauge

• Type: Precision measuring tool

• Feature: Measures depth accurately

• Quality: Professional

• Price: Approximately $30–$500

• Best for: Machining

54. Feeler Gauge Set

• Type: Mechanical measuring tool

• Feature: Measures narrow gaps and clearances

• Quality: Good

• Price: Approximately $10–$100

• Best for: Automotive and mechanical work

Inspection Cameras

55. Borescope Inspection Camera

• Type: Diagnostic camera

• Feature: Flexible camera for difficult-to-reach areas

• Quality: Professional

• Price: Approximately $30–$500+

• Best for: Automotive and industrial inspection

56. Digital Inspection Camera

• Type: Visual diagnostic equipment

• Feature: Built-in digital display

• Quality: Professional

• Price: Approximately $50–$1,000+

• Best for: Technicians and inspectors

57. Endoscope Inspection Camera

• Type: Specialized diagnostic camera

• Feature: Small camera probe

• Quality: Good

• Price: Approximately $20–$300

• Best for: Mechanical inspection

58. Wireless Inspection Camera

• Type: Diagnostic camera

• Feature: Wireless screen or device connectivity

• Quality: Good

• Price: Approximately $50–$500

• Best for: Mobile inspection work

59. Automotive Borescope

• Type: Automotive diagnostic equipment

• Feature: Helps inspect inaccessible engine areas

• Quality: Professional

• Price: Approximately $50–$1,000+

• Best for: Mechanics

60. Industrial Videoscope

• Type: Professional inspection equipment

• Feature: Advanced visual inspection

• Quality: Premium

• Price: Approximately $500–$10,000+

• Best for: Industrial maintenance

Moisture Meters

61. Pin-Type Moisture Meter

• Type: Material testing equipment

• Feature: Uses probes to measure moisture

• Quality: Good value

• Price: Approximately $20–$200

• Best for: Wood and building materials

62. Pinless Moisture Meter

• Type: Non-invasive moisture detector

• Feature: Detects moisture without probe pins

• Quality: Professional

• Price: Approximately $30–$500

• Best for: Building inspections

63. Wood Moisture Meter

• Type: Material testing equipment

• Feature: Measures moisture in wood

• Quality: Professional

• Price: Approximately $20–$300

• Best for: Carpenters and woodworkers

64. Concrete Moisture Meter

• Type: Construction testing equipment

• Feature: Helps measure moisture conditions in concrete

• Quality: Professional

• Price: Approximately $50–$1,000+

• Best for: Construction professionals

65. Soil Moisture Meter

• Type: Environmental measuring tool

• Feature: Measures soil moisture conditions

• Quality: Good

• Price: Approximately $10–$200

• Best for: Agriculture and landscaping

66. Digital Moisture Analyzer

• Type: Laboratory testing equipment

• Feature: Detailed moisture analysis

• Quality: Premium

• Price: Approximately $500–$5,000+

• Best for: Laboratories and industrial quality control

Pressure Gauges

67. Analog Pressure Gauge

• Type: Pressure measuring instrument

• Feature: Analog pressure display

• Quality: Budget

• Price: Approximately $10–$100

• Best for: General industrial use

68. Digital Pressure Gauge

• Type: Electronic measuring instrument

• Feature: Digital pressure readings

• Quality: Professional

• Price: Approximately $30–$1,000+

• Best for: Industrial diagnostics

69. HVAC Pressure Gauge

• Type: HVAC diagnostic equipment

• Feature: Measures refrigeration and system pressure

• Quality: Professional

• Price: Approximately $50–$500

• Best for: HVAC technicians

70. Tire Pressure Gauge

• Type: Automotive measuring tool

• Feature: Measures tire pressure

• Quality: Good

• Price: Approximately $10–$100

• Best for: Vehicle maintenance

71. Differential Pressure Gauge

• Type: Specialized pressure instrument

• Feature: Measures pressure differences

• Quality: Professional

• Price: Approximately $100–$2,000+

• Best for: HVAC and industrial systems

72. Vacuum Pressure Gauge

• Type: Pressure measurement equipment

• Feature: Measures vacuum and pressure

• Quality: Professional

• Price: Approximately $20–$500

• Best for: Mechanical and industrial work

Laboratory Testing Equipment

73. Digital Laboratory Scale

• Type: Laboratory measurement equipment

• Feature: Precise weighing

• Quality: Professional

• Price: Approximately $30–$1,000+

• Best for: Laboratories and research

74. Analytical Balance

• Type: Precision laboratory scale

• Feature: High-precision weight measurement

• Quality: Premium

• Price: Approximately $500–$10,000+

• Best for: Scientific laboratories

75. pH Meter

• Type: Laboratory testing instrument

• Feature: Measures acidity or alkalinity

• Quality: Good

• Price: Approximately $20–$500

• Best for: Laboratories and industrial testing

76. Conductivity Meter

• Type: Laboratory measurement equipment

• Feature: Measures electrical conductivity

• Quality: Professional

• Price: Approximately $50–$1,000+

• Best for: Water and laboratory testing

77. Dissolved Oxygen Meter

• Type: Laboratory testing equipment

• Feature: Measures dissolved oxygen levels

• Quality: Professional

• Price: Approximately $100–$2,000+

• Best for: Water testing

78. Refractometer

• Type: Optical measuring instrument

• Feature: Measures refractive properties of liquids

• Quality: Professional

• Price: Approximately $20–$500

• Best for: Laboratory and industrial testing

79. Centrifuge

• Type: Laboratory equipment

• Feature: Separates samples through centrifugal force

• Quality: Professional

• Price: Approximately $100–$5,000+

• Best for: Laboratories

80. Digital TDS Meter

• Type: Water testing equipment

• Feature: Measures total dissolved solids

• Quality: Good value

• Price: Approximately $10–$300

• Best for: Water-quality testing

Light Meters

81. Digital Light Meter

• Type: Environmental measuring instrument

• Feature: Measures light intensity

• Quality: Professional

• Price: Approximately $20–$500

• Best for: Photography and workplace assessment

82. Lux Meter

• Type: Light measuring tool

• Feature: Measures illuminance

• Quality: Professional

• Price: Approximately $20–$300

• Best for: Lighting technicians

83. UV Light Meter

• Type: Specialized measurement equipment

• Feature: Measures ultraviolet light

• Quality: Professional

• Price: Approximately $50–$1,000+

• Best for: Laboratory and industrial use

84. PAR Meter

• Type: Light measurement instrument

• Feature: Measures photosynthetically active radiation

• Quality: Professional

• Price: Approximately $100–$1,000+

• Best for: Horticulture and research

Distance Meters

85. Bosch Laser Distance Measurer

• Type: Digital distance meter

• Feature: Laser measurement

• Quality: Professional

• Price: Approximately $30–$500

• Best for: Construction and real estate measurement

86. Leica Laser Distance Meter

• Type: Precision distance measuring tool

• Feature: High-accuracy laser measurement

• Quality: Premium

• Price: Approximately $100–$1,000+

• Best for: Surveying and professional measurement

87. Long-Range Laser Distance Meter

• Type: Distance measuring equipment

• Feature: Extended measurement range

• Quality: Professional

• Price: Approximately $100–$2,000+

• Best for: Large facilities and construction

88. Ultrasonic Distance Meter

• Type: Electronic measuring device

• Feature: Ultrasonic distance measurement

• Quality: Budget

• Price: Approximately $20–$200

• Best for: Indoor measuring tasks

89. Measuring Wheel

• Type: Distance measurement tool

• Feature: Rolling distance measurement

• Quality: Professional

• Price: Approximately $30–$500

• Best for: Construction and surveying

Specialized Diagnostic Equipment

90. Automotive OBD2 Scanner

• Type: Vehicle diagnostic equipment

• Feature: Reads compatible vehicle diagnostic codes

• Quality: Good value

• Price: Approximately $20–$500

• Best for: Mechanics and vehicle owners

91. Professional Automotive Diagnostic Scanner

• Type: Advanced vehicle diagnostic equipment

• Feature: Advanced system diagnostics

• Quality: Premium

• Price: Approximately $500–$10,000+

• Best for: Professional workshops

92. Battery Tester

• Type: Electrical diagnostic equipment

• Feature: Tests battery condition

• Quality: Good

• Price: Approximately $20–$500

• Best for: Automotive and industrial maintenance

93. Automotive Battery Load Tester

• Type: Battery diagnostic equipment

• Feature: Tests battery performance under load

• Quality: Professional

• Price: Approximately $30–$1,000+

• Best for: Mechanics

94. Engine Compression Tester

• Type: Automotive diagnostic tool

• Feature: Measures engine cylinder compression

• Quality: Professional

• Price: Approximately $30–$500

• Best for: Automotive repair

95. Fuel Pressure Tester

• Type: Automotive diagnostic equipment

• Feature: Measures compatible fuel-system pressure

• Quality: Professional

• Price: Approximately $30–$500

• Best for: Mechanics

96. Leak Detection Tester

• Type: Specialized diagnostic equipment

• Feature: Helps identify leaks in compatible systems

• Quality: Professional

• Price: Approximately $50–$2,000+

• Best for: Automotive and industrial diagnostics

97. Vibration Meter

• Type: Industrial diagnostic equipment

• Feature: Measures vibration

• Quality: Professional

• Price: Approximately $100–$5,000+

• Best for: Machinery maintenance

98. Sound Level Meter

• Type: Environmental measurement tool

• Feature: Measures sound levels

• Quality: Professional

• Price: Approximately $20–$1,000+

• Best for: Workplace and environmental monitoring

99. Thermal Imaging Diagnostic System

• Type: Advanced diagnostic equipment

• Feature: Identifies temperature variations

• Quality: Premium

• Price: Approximately $500–$20,000+

• Best for: Industrial inspection and maintenance

100. Multi-Function Environmental Meter

• Type: Specialized testing equipment

• Feature: Combines multiple measurements such as temperature, humidity and light

• Quality: Professional

• Price: Approximately $30–$1,000+

• Best for: Technicians, laboratories and industrial users

Quick Comparison of Diagnostic and Measurement Equipment

Category	Typical Price Range	Best For
Multimeters	$10–$1,000+	Electrical testing
Voltage testers	$10–$200	Electrical safety checks
Electrical testers	$10–$2,000+	Troubleshooting
Digital thermometers	$10–$1,000+	Temperature measurement
Infrared equipment	$15–$10,000+	Non-contact inspection
Calipers and micrometers	$10–$2,000+	Precision measurement
Inspection cameras	$20–$10,000+	Difficult-to-reach areas
Moisture meters	$10–$5,000+	Building and material testing
Pressure gauges	$10–$2,000+	HVAC and industrial systems
Laboratory equipment	$10–$10,000+	Scientific testing
Light meters	$20–$1,000+	Lighting measurement
Distance meters	$20–$2,000+	Construction and surveying
Diagnostic equipment	$20–$20,000+	Specialized troubleshooting

How to Choose Diagnostic, Testing and Measurement Equipment

Electricians may prioritize:

• Digital multimeters

• Clamp meters

• Voltage testers

• Circuit tracers

• Insulation resistance testers

HVAC technicians may prioritize:

• Digital thermometers

• Infrared thermometers

• Pressure gauges

• Leak detection equipment

• Electrical testing tools

Mechanics may prioritize:

• Automotive multimeters

• OBD2 scanners

• Battery testers

• Compression testers

• Inspection cameras

Laboratories may prioritize:

• Analytical balances

• pH meters

• Conductivity meters

• TDS meters

• Moisture analyzers

Industrial maintenance teams may prioritize:

• Thermal imaging cameras

• Vibration meters

• Advanced multimeters

• Inspection cameras

• Pressure measurement equipment

Important Buying Considerations

Before purchasing diagnostic or measurement equipment, check:

• Measurement range

• Accuracy

• Resolution

• Calibration requirements

• Environmental operating conditions

• Battery or power requirements

• Probe and accessory compatibility

• Data logging capability

• Safety ratings

• Software compatibility

• Professional certification requirements where applicable

For high-accuracy, laboratory, electrical or safety-critical work, verify that the selected product meets the relevant specifications and standards required for the application.

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