FPG8601 Automated Calibration System
FPG8601 addresses the need for a means of maintaining long term traceability with very low uncertainty under that covered by conventional piston gauges.
General |
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| Power Requirements | FPG8601 85 to 264 VAC, 50/60 Hz, 60 VA max VLPC 85 to 264 VAC, 50/60 Hz, 70 VA max |
| Normal Operating Temperature Range | 20 to 26 °C |
| Ambient Temperature Stability | 0.1 °C/minute max rate |
| Weight | FPG8601 Platform 30 kg (66 lb) FPG8601 Terminal 2 kg (4.4 lb) VLPC Pressure Controller 41 kg (90.4 lb) |
| Dimensions | FPG8601 Platform 53 cm H x 36 cm W x 35 cm D (21 in. x 14 in. x 14 in.) FPG8601 Terminal 12 cm H x 15 cm W x 20 cm D (4.7 in. x 6 in. x 8 in.) VLPC Pressure Controller 31 cm H x 51 cm W x 53 cm D (12.2 in. x 20 in. x 21 in.) |
| System Controller | Runs FPG Tools™, Windows® operating system, RS232 and IEEE-488 interfaces to FPG and DUT data acquisition |
| Overall Pressure Range | 0 to 15 kPa gauge, absolute, absolute differential |
| Test Medium | N2 or Air |
| Mode Change Time | Absolute to Gauge 30 minutes Gauge to Absolute 1 hour |
| Vibration | Same as conventional piston gauge, vacuum pumps must be connected by flexible tubing |
| Pressure Supplies | Piston-Cylinder Lubrication Gas(FPG8601): 700 to 800 kPa, clean, dry N2 or Air FPG Reference Vacuum (for absolute modes): Turbo pump: 378 m3/hr typical, 8.10-6 Pa ultimate pressure Rotary vane pump: 16.5 m3/hr, 0.2 Pa ultimate pressure VLPC Supply : 700 to 800 kPa, clean, dry N2 VLPC Vacuum: 10 m3/hr @ 0.5 Pa Drive Air (FPG8601 and VLPC): 400 to 700 kPa shop air |
| Pressure Connections | Test high (FPG8601): KF16 Test low (FPG8601): KF16 Vacuum Ref (FPG8601): KF25 Vacuum (FPG8601): 1/8 in. NPT F Drive/lubrication (FPG8601): 1/8 in. NPT F Supply (VLPC): 1/8 in. NPT F Drive (VLPC): 1/8 in. NPT F Vacuum (VLPC): KF25 |
Pressure Measurement |
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| Overall Range | 0 to 15 kPa gauge, absolute, absolute differential |
| Temperature Effect | Instrument temperature monitored and alert provided when rate and/or magnitude of temperature change is significant to performance |
| Resolution | Standard: 0.010 Pa High Resolution Option: 0.001 Pa |
| Typical Pressure Measurement Uncertainty | Standard: Gauge, absolute differential modes: ± (0.020 Pa + 30 ppm rdg) Absolute mode: ± (0.025 Pa + 30 ppm rdg) High Resolution Option: Gauge, absolute differential modes: ± (0.005 Pa + 30 ppm rdg) Absolute mode: ± (0.008 Pa + 30 ppm rdg) |
| Typical Residual Vacuum in Absolute Mode | With Turbo Molecular Pump: 0.04 to 0.1 Pa With Rotary Vane Pump: 0.3 Pa to 0.4 Pa |
Pressure Control |
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| Control Ranges (Pa) | Gauge mode: 5 overlapping control ranges Minimum pressure: 0 Minimum controlled pressure: 0.1 PaAbsolute mode: 5 overlapping control ranges Minimum pressure: 0.4 to 1 Pa Minimum controlled pressure: 2 Pa |
| Control Precision | Standard: Gauge mode: ± (0.020 Pa + 100 ppm of range) Absolute modes: ± (0.020 Pa + 30 ppm of range)High Resolution Option: Gauge mode: ± (0.005 Pa + 60 ppm of range) Absolute modes: ± (0.020 Pa + 30 ppm of range) Note: Control precision is worst case. Absolute mode constant is smaller in lower ranges. |
| Nominal Test Volume | Gauge Mode: Up to 20 cc/side (high and low) Absolute Mode: Up to 500 cc/side (high and low) |
| Typical Pressure Setting Time | 1 to 2 minutes, dependent on test volume |
Piston-Cylinder |
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| Nominal Size | Diameter: 35 mm Area: 10 cm2 |
| Piston Material | Tungsten carbide |
| Cylinder Material | Tungsten carbide |
| Mounting System | Non-rotating, self-centering by independently, centrally supplied, lubricating pressure |
| Piston-Cylinder Gap | Symetrical conical gap with dual taper from 6 microns at central lubrication point to 1 micron at cylinder ends |
| Lubricating Gas Quality | Clean, dry N2 or Air, on-board conditioning to 40 to 70 % R.H. |
| Lubricating Gas Pressure | Gauge Mode: 40 kPa gauge Absolute Modes: 40 kPa absolute Lubricating Gas Flow: < 1 sccm total to the high and low chambers |
Secondary Measurement |
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| Piston-Cylinder Temperature (°C) | Range: 0 to 40 Resolution: 0.01 Uncertainty: ± 0.1 |
| Residual Vacuum (Pa) | Range: 0 to 13 Resolution: 0.001 Uncertainty: ± (0.5 % rdg + 5 mPa) |
Monitoring Measurement |
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| Lubrication Gas Temperature (°C) | Range: 0 to 40 Resolution: 0.1 Uncertainty: ± 0.2 |
| Lubrication Gas Pressure (kPa) | Range: 0 to 200 absolute Resolution: 0.001 Uncertainty: ± 0.1 |
| Lubrication Gas Humidity (%RH) | Range: 5 to 95 Resolution: 1 Uncertainty: ± 10 |
Accessory |
Description |
|---|---|
| FPG8601-MODE-V-REF | Vacuum reference mode |
| MS-8601-2 | 2.0 kg mass set w/hanger |
| BENCH-8601-ABS | Various vacuum pump choices for the FPG reference and the VLPC controller in absolute modes (consult your Fluke pressure calibration sales representative) |
| FPG8601-RES-HIGH | High resolution (1 mPa) |
Product manuals
Data sheets
Instruction sheets
