- Infrared analytical instruments (1)
- Mass spectrometers (1)
- Photometers (1)
- Spectrometers (2)
- Ultraviolet analytical instruments (2)
- Petroleum product analyzing apparatus (5)
- Water testing apparatus (7)
- Protein analyzers, laboratory type (2)
- Gas analyzing equipment (4)
- Electrolytic conductivity instruments (1)
- Electrophoresis equipment (2)
- Magnetic resonance imaging apparatus (8)
- Differential thermal analysis instruments (1)
- Thermal analysis instruments, laboratory type (1)
- Automatic chemical analyzers (2)
- Environmental testing equipment (28)
- Integrators (mathematical instruments) (2)
- Laser scientific and engineering instruments (18)
- Particle size analyzers (1)
- Perimeters (optical instruments) (1)
