InstruQuest Inc. - Gas Pycnometer Calibration Kit and Accessories

The most comprehensive gas pycnometer calibration kit
available:

Calibration balls (spheres) measured with accuracy of 0.00005”

(0.00127mm) using precision micrometers

Covers over 5 orders of magnitude of volume calibration or verification –
13 different types of balls included
Two vacuum–suction tools (non-magnetic) for inserting and removal of the
large calibration balls, tweezers for handling small balls
Micro Calibration Kit included
Special cloth for cleaning and handling
Sturdy and lockable box
Provided as standard equipment with each HumiPyc.

Nominal Ball
Diameter

Measured Avg.
Ball Diameter
[mm]

Calculated
Volume
[cm3]

Max. volume error
based on accuracy of
measurements
(±0.00127 mm)
[cm3]

2”

50.800

68.641

±0.00515

1 5/8”

41.275

36.818

±0.00340

1 1/4"

31.750

16.758

±0.00201

1”

25.400

8.5802

±0.00129

11/16”

17.4625

2.7882

±0.00061

1/2"

12.700

1.0725

±0.00032

11/32”

8.731

0.34852

±0.00017

6 mm

6.000

0.1131

±0.00007

4 mm

4.000

0.03351

±0.00003

3 mm

3.000

0.01413

±0.00002

2 mm

2.000

0.004188

±0.000008

1.5 mm

1.500

0.001767

±0.000004

1 mm

1.000

0.0005236

±0.000002

Typical calibration ball sizes supplied with the calibration kit.
The table clearly demonstrates that the maximum error of volume
calculations based on the diameter measurements with precision
micrometers is well below the volume detection limits of gas pycnometers.

HumiPyc™ Gas (Helium) Pycnometer Accessories

Micro Ball Calibration Set
How accurate is your
pycnometer?
(free of charge)

Volume Reducing Adapters
To achieve highest accuracy of
volume measurements of large
and very small amount of
samples