Keysight (Agilent)
Keysight (Agilent) 478A
10 MHz to 18 GHz Frequency Range
Type-N (Female) Connector Type
-30 dBm to +20 dBm (1 µW to 100 mW) Power Range
1.10 (10 MHz to 2 GHz), 1.18 (2 GHz to 12.4 GHz), 1.30 (12.4 GHz to 18 GHz) SWR (Maximum)
±1.5% (typical) Calibration Factor Uncertainty
| Attribute | Value |
|---|---|
| Frequency Range | 10 MHz to 18 GHz |
| Connector Type | Type-N (Female) |
| Power Range | -30 dBm to +20 dBm (1 µW to 100 mW) |
| SWR (Maximum) | 1.10 (10 MHz to 2 GHz), 1.18 (2 GHz to 12.4 GHz), 1.30 (12.4 GHz to 18 GHz) |
| Calibration Factor Uncertainty | ±1.5% (typical) |
| Operating Temperature Range | 0°C to 55°C (32°F to 131°F) |
| Reference Calibration Frequency | 50 MHz |
| Thermistor Mount Type | Coaxial Thermistor Power Sensor |
| Compatible Power Meters | Keysight 432A, 435A, 436A, 437B, 438A |
| Impedance | 50 Ohms |
| Model | 478A |
|---|
The Keysight (Agilent) 478A Thermistor Mount ensures high accuracy in RF power measurement, covering 10 MHz to 10 GHz. It is temperature-compensated to minimize drift and is compatible with N432A or 432A power meters. This unit measures power as low as one microwatt and features calibration factors at 12 frequencies.
Options include 478A-H75 and 478A-H76 for 1 MHz to 1 GHz, ideal for precision labs needing standard calibration at 50 MHz.
Testwall can supply the used Keysight (Agilent) 478A, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 478A.
