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The 5790B covers an alternating voltage range of 600 μV to 1000 V, and a frequency range of 10 Hz to 1 MHz. Wideband voltage options extend the frequency range to 30 or 50 MHz.
The 5790B AC Measurement Standard is a multi-purpose ac measurement and transfer standard designed for the most demanding calibration applications. It combines the accuracy you would expect from a thermal transfer standard with the ease of use of a digital multimeter.
The 5790B may be used alone as a measurement device or as a transfer standard when compared to an external dc source. In either case, the normally tedious switching and calculations are performed automatically by the 5790B, and the resulting ac/dc difference is displayed directly on the easy-to-read 6.5-inch full-color capacitive touch screen display.
5790B AC Measurement Standard
Key Features:
- Absolute ac voltage measurement uncertainties are as low as ± 24 ppm (one year, 23 °C ± 5 °C).
- The 5790B covers an alternating voltage range of 600 μV to 1000 V
- The frequency range of 10 Hz to 1 MHz.
- Wideband voltage options extend the frequency range to 30 or 50 MHz.
Specifications: 5790B AC Measurement Standard
| Summary Specifications | |||||
| AC and dc voltage |
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| Inputs |
Input 1: 600 µV to 1000 V (5% over-range) Input 2: 600 µV to 1000 V (5% over-range) Aux input: 250 mV to 500 mV WB input: <7 V rms wideband |
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| Warm-up time | 30 minutes | ||||
| Relative humidity |
Operating: 45% to 50 °C 75% to 45 °C 95% to 30 °C Storage: <95% non-condensing |
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| Altitude |
Operating: 3,050 meters (10,000 feet) Non-operating: 12,200 meters (40,000 feet) |
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| Temperature |
Operating: 0 °C to °50 C Calibration: 15 °C to 35 °C Storage: -40 °C to 70 °C |
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| Electromagnetic Compatibility (EMC) | |||||
| International | IEC 61326-1: Controlled Electromagnetic Environment - CISPR 11: Group 1, Class A | ||||
| Korea (KCC) | Class A Equipment (Industrial Broadcasting & Communication Equipment) | ||||
| USA (FCC) | 47 CFR 15 subpart B. This product is considered an exempt device per clause 15.103. | ||||
| Surge | ANSI C62.41-1980, Category A | ||||
| Reliability | MIL-T-2880D, paragraph 3.13.3 | ||||
| General Specifications | |||||
| Dimensions |
Height: 17.8 cm (7 in) standard rackmount + 1.5 cm (0.6 in) Width: 43.2 cm (17 in) Depth: 62 cm (24.8 in) |
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| Maximum power requirements |
5790B: 100 VA |
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| Weight |
5790B: 24 kg (53 lb) With wideband: 24.5 kg (54 lb) |
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| Line power |
50 Hz or 60 Hz; 100 V - 120 V, 220 V - 240 V 100V, 110 V, 115 V, 120 V, 200 V, 220 V, 230 V, 240 V |
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| Safety | Complies with UL1244 and IEC 348-1976 and IEC 1010 and CSA C22.2 No. 231 and ANSI/ISA S82 | ||||
| Remote interfaces | RS-232, IEEE-488 | ||||
| Confidence level | 99% unless otherwise specified | ||||
| 5790B/AF | |||||
| The 5790B/AF has enhanced absolute accuracy to ± 0.23 % of voltage (1 year after factory calibration, 23 °C ± 3 °C, at 95 % confidence level) at 50 MHz and 223.61 mV, using a serialized one meter cable, characterized at that point for RF power meter 0 dBm reference output measurement. In the RF power measurement mode, the accuracy is specified to the end of the serialized cable with a curve fit for the other ranges and frequencies that is a first-order correction for cable loss. | |||||
5790B AC Measurement Standard
Includes:
| Model Name | Description |
|---|---|
| 5790B |
AC Measurement Standard |
| 5790B/3 |
AC Measurement Standard +30 MHz Wideband Option |
| 5790B/5 |
AC Measurement Standard _ 50 MHz Wideband Option |
| 5790B/AF |
AC Measurement Standard + 50 MHz Wideband Option Calibrated with WB Cable |
| A40B-001MA |
1 milliamp Current Shunt |
| A40B-010MA |
10 milliamp Current Shunt |
| A40B-020MA |
20 milliamp Current Shunt |
| A40B-050MA |
50 milliamp Current Shunt |
| A40B-100mA |
100 milliamp Current Shunt |
| A40B-200mA |
200 milliamp Current Shunt |
| A40B-500mA |
500 milliamp Current Shunt |
| A40B-1A |
1 amp Current Shunt |
| A40B-2A |
2 amp Current Shunt |
| A40B-5A |
5 amp Current Shunt |
| A40B-10A |
10 amp Current Shunt |
| A40B-20A |
20 amp Current Shunt |
| A40B-50A |
50 amp Current Shunt |
| A40B-100A |
100 amp Current Shunt |
Accessories common to all models:
| Accessory | Description |
|---|---|
| 5790B/5 WB Cable |
Cable, 50 Ohm Wideband Cable for 50 MHz Measurements |
| 57XX/CASE |
Transit Case for 57XXA Series |
| Y5737 |
5790B and 5700A/5720A Rack Mount Kit. Includes 24 in. slides that allow for side ventilation |
| A40B-LEAD/4MM |
N to 4 mm double banana connector |
| A40B-LEAD/N |
N Male to N Male lead |
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