Guildline Instruments 6640G Quantum Hall Resistance (QHR) Bridge has been completely redesigned to offer better uncertainties and operate more efficiently.
FEATURES
6640G Quantum Hall Resistance DatasheetGuildline Instruments 6640G Quantum Hall Resistance (QHR) Bridge has been completely redesigned to offer better uncertainties and operate more efficiently.
In addition to incorporating new patented design and measurement technologies, the 6640Q Quantum Bridge can scale from the 12906.4035 Ω Quantum Hall resistance value to nominal resistance values of 0.1 Ω to 100 kΩ.
| GENERAL SPECIFICATIONS | |||
| Linearity | ± 0.005 ppm (1:1 to 13.4:1 Ratios) | ||
| Display resolution (ppm) | Selectable (Programmable) from 0.0001 ppm to 10 ppm | ||
| Temperature Coefficient | 0.01 ppm/°C of reading (Outside Operating Temperature) | ||
| Automatic current reversal rate (in seconds) | 4 to 1637 programmable, increment of 1 second | ||
| Fastest Measurement Sample Rate | 2 seconds | ||
| Communication | USB, IEEE 488.2, SCPI Based Language Instructions | ||
| Test current (for measurements to 100 kΩ ) | Range (±30 Vdc compliance) | 10 μA to 150 mA | |
| Resolution (μA) | 1 μA | ||
| Accuracy [error(ppm) + offset(A)] | ±100 ppm ± 10 μA | ||
| Bridge Operating Temperature to Full Specifications | 20 °C to 26 °C | 68 °F to 78.8 °F | |
| Bridge Maximum Operating Range (20 % to 50 % RH) | +18 °C to +28 °C | +65 °F to +82 °F | |
| Bridge Temperature Storage Range | -20 °C to +60 °C | -4 °F to +140 °F | |
| Power Requirements | Vac: 100 V, 120 V, 220 V, 230 V and 240 V; All ± 10 % 50 or 60 Hz ±5 %, Or 45 Hz – 65 Hz | ||
| Dimensions (Width x Height x Depth) | Weight | ||
| 440 mm x 200 mm x 465 mm | 17.3” x 7.8” x 18.3” | 27 kg | 59.5 lbs |
AC and Power Standards
Guildline Instruments 7330 Series of Oil Based Resistance Standards
AC and Power Standards
Guildline Instruments 7340 AC/DC Current Shunts From 0.01A to 100A
AC and Power Standards
Guildline Instruments 7350 AC/DC Current Shunts From 0.01A to 100A
AC and Power Standards
AC and Power Standards
Guildline Instruments 7810 Wideband Transconductance Amplifier
AC and Power Standards
AC and Power Standards
Guildline Instruments 7223CT-2S Series of Precision AC Current Transformers
Guildline Instruments
Guildline Instruments 6645Q Quantum Hall System for primary resistance standards
Guildline Instruments
Guildline Instruments 5600 SERIES | High Precision Variable Temperature Fluid Baths
Guildline Instruments
Guildline Instruments
Guildline Instruments 6623A Series High Current Range Extenders
Guildline Instruments
Guildline Instruments 6623A-PCS Series of DC Precision High Current Systems
Promotions