Measurement Standards

Reference

Documents

Best Measurement  Capability

Range

Standard capacitance measuring assembly: Gen Radio 1404A,B&C and 1620 Capacitance bridge

R.D.T. Electronics Engineering instruction

10 -100 ppm

1 pF -10  µF

Capacitors

Fixed points:

a) triple point of mercury,

b) melting point of gallium,

c) freezing point of tin,

d) freezing point of zinc,

e) freezing point of aluminuim

BIPM calibration certificates

1.1     mK

1.0     mK

1.1 mK

1.1 mK

4.1 mK

234.3116 K

302.9146 K

505.078 K

692.677 K

933.473 K

Standard Platinum Resistance

Termometers

(SPRT)

Standard luxmeter and standard lamps

Calibration certificates for standard lamps; LMI manual B 500

2%

10^-3 - 5·10⁵ lx

Illuminance meters