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Pycnomatic Technical Specifications

Standard sample chamber volumes About 20, 40 and 60 cc. (indicative maximum sample vessels volumes)

Optional sample chamber volumes Extra Small (about 4 cc) and Extra Large (about 100 cc)

Reference chamber volumes About 20, 40 and 60 cc (indicative calibrated reference chambers)

Temperature control range (only ATC) From 18 to 35 °C by a Peltier device, selectable by steps of 0.01 °C
Temperature resolution Internal reading 0.001 °C, displayed resolution 0.01 °C

Temperature sensor types Three PT100 (model ATC)
Typical temperature control stability (ATC) +/- 0.01 °C in the above temperature control range (in typical operation conditions)

Pressure transducer range From vacuum up to 250 kPa absolute reading
Pressure transducer type Absolute, piezo-resistive sensor, temperature compensated, linearized

Pressure displayed resolution 0.001 kPa

Typical pressure transducer stability +/- 0.002 kPa (in typical operation conditions)

Purging procedures By gas pulses, continuous flow or vacuum (vacuum pump not enclosed)

Calibration procedure Integrated, storing up to 3 reference chambers volume and 3 sample chamber volumes

Calibration method By certified stainless-steel spheres (spheres not enclosed)

Maximum cycles number per run 100 (user’s selectable)

Memory capacity Up to two complete runs made of up to 100 cycles each

Typical reproducibility (ATC) Better than 0.01 % on sample volume at 20 °C (evaluation on dry and thermally
equilibrated samples, sample real volume filling at about 66 % of nominal vessel
volume)

Typical accuracy (ATC) Better than 0.01 % on sample volume at 20 °C (evaluation on dry and thermally
equilibrated samples, sample real volume filling at about 66 % of nominal vessel
volume)

User’s interface Backlit display 40 characters x 4 lines, alpha-numeric keyboard
External connections Gas-in port (research grade helium or nitrogen), direct gas-out port and gas-out
through restriction.

Communication ports Serial port (9 pins) to PC and parallel to printer for reporting, serial port (9 pins) to
balance for sample weight transfer

Environment conditions Temperature: 15 to 30°C; Humidity: 20 to 80% RH; Maximum altitude: 2000 m
Power supply 100-240 VAC, 50/60 Hz, 240 VA

Dimensions Width: 25 cm , Height 33 cm, Depth: 45 cm


		Pycnomatic Technical Specifications Standard sample chamber volumes About 20, 40 and 60 cc. (indicative maximum sample vessels volumes) Optional sample chamber volumes Extra Small (about 4 cc) and Extra Large (about 100 cc) Reference chamber volumes About 20, 40 and 60 cc (indicative calibrated reference chambers) Temperature control range (only ATC) From 18 to 35 °C by a Peltier device, selectable by steps of 0.01 °C Temperature resolution Internal reading 0.001 °C, displayed resolution 0.01 °C Temperature sensor types Three PT100 (model ATC) Typical temperature control stability (ATC) +/- 0.01 °C in the above temperature control range (in typical operation conditions) Pressure transducer range From vacuum up to 250 kPa absolute reading Pressure transducer type Absolute, piezo-resistive sensor, temperature compensated, linearized Pressure displayed resolution 0.001 kPa Typical pressure transducer stability +/- 0.002 kPa (in typical operation conditions) Purging procedures By gas pulses, continuous flow or vacuum (vacuum pump not enclosed) Calibration procedure Integrated, storing up to 3 reference chambers volume and 3 sample chamber volumes Calibration method By certified stainless-steel spheres (spheres not enclosed) Maximum cycles number per run 100 (user’s selectable) Memory capacity Up to two complete runs made of up to 100 cycles each Typical reproducibility (ATC) Better than 0.01 % on sample volume at 20 °C (evaluation on dry and thermally equilibrated samples, sample real volume filling at about 66 % of nominal vessel volume) Typical accuracy (ATC) Better than 0.01 % on sample volume at 20 °C (evaluation on dry and thermally equilibrated samples, sample real volume filling at about 66 % of nominal vessel volume) User’s interface Backlit display 40 characters x 4 lines, alpha-numeric keyboard External connections Gas-in port (research grade helium or nitrogen), direct gas-out port and gas-out through restriction. Communication ports Serial port (9 pins) to PC and parallel to printer for reporting, serial port (9 pins) to balance for sample weight transfer Environment conditions Temperature: 15 to 30°C; Humidity: 20 to 80% RH; Maximum altitude: 2000 m Power supply 100-240 VAC, 50/60 Hz, 240 VA Dimensions Width: 25 cm , Height 33 cm, Depth: 45 cm