- Altimeter/altimeter (2)
- ammeter (24)
- anemometer (1)
- centrifuge (4)
- Current sensor (3)
- Detector (3)
- Differential pressure meter (1)
- Digester (2)
- Dynamometer (1)
- Electronic test accessories (2)
- Flaw detector (4)
- Flexible coils (1)
- Formaldehyde detector (1)
- Gas Detector (14)
- Grounding resistance tester (9)
- instrument accessories (2)
- Insulation Resistance Tester (10)
- logic analyzer (4)
- Lux meter (1)
- Mechanically faulty stethoscope (1)
- Milliohmmeter (2)
- Monitors (1)
- multimeter (3)
- nephelometer (2)
- Noise meter (1)
- Other electrical testing (3)
- Other safety test instruments (2)
- PH meter (2)
- phase-sequence meter (3)
- Phase tester (7)
- Power analyzer (1)
- powerr meter (2)
- Radiometers (1)
- Rangefinder (20)
- Special resistors for lightning protection (1)
- Static eliminator (2)
- surfagauge (1)
- Tachometer/tachometer (2)
- Test chamber (9)
- Tester (12)
- Thermohygrometer (2)
- Thickness gauge (18)
- Ultrasonic cleaning machine (7)
- Vibrometer (1)
- Voltammeter (3)