R9930 Air Particle Counter – Digital, Data Logging, 0.3, 0.5, 1.0, 2.5, 5.0, 10μm, 0.1ft3 (2.83L/min), 50% for particles of 0.3μm; 100% for particles > 0.45μm, 5% at 2,000,000 particles per ft³
REED R9030 Hardness Tester with ISO Certificate – Analogue, HL, HRC, HRB, HRA, HV, HB, HS, HLD (170 to 96), HRA (59 to 85m), HRB (13 to 100), HRC (20 to 68), HB (19 to 651), HV (80 to 967)