Key Features
-
Frequency range: 100 kHz to 18 GHz (sensor dependent), Dynamic range: –30 dBm to +10 dBm
-
Most accurate measurements made with thermistor sensors for metrology applications
-
High Accuracy (≤ 0.2% ±0.5 μW), excellent for 1 mW transfer calibration (with 478A-H75/H76)
-
DC substitution measurement, traceable to the US NIST
-
Built-in 6.5 digits ADC eliminates the need of external DMM
-
Selectable bridge resistance (100/200/300/400 Ω)
-
Digital color LCD display
| Key Product Differentiator: Metrology class measurement accuracy. |
Options
|
Option |
Description |
Frequency |
|
478A |
Coaxial thermistor mount |
10 MHz to 10 GHz |
|
478A-H63 |
Max SWR 1.8 to 300 kHz, 1.3 to 1 GHz |
100 kHz to 1 GHz |
|
478A-H75 |
Max SWR 1.3 except 1.05 at 50 MHz |
1 MHz to 1 GHz |
|
478A-H76 |
Max SWR 1.3 except 1.05 at 50 MHz. Standard lab calibration at 50 MHz |
|
|
8478B |
Coaxial thermistor mount |
10 MHz to 18 GHz |
|
N4998A/B/C |
Thermistor sensor adapter cable 1.5/3/6.1 m |
|
|
478A-H72 |
Max SWR 1.2, 1 MHz to 1 GHz, |
|
|
478A-H73 |
1 MHz to 100 MHz, max SWR 1.1 except 1.05 at 50 MHz |
|
Compatible Power Sensors
- 478A & 8478B thermistor
Included Accessories
-
Thermistor sensor adapter cable 5 ft. (1.5 m)
-
USB cable
Ordering Information
-
N432A Thermistor power meter
Calibration & Warranty
|
R-50C-011-3 3 Year Calibration Plan |
|
R-50C-011-5 5 Year Calibration Plan |
|
R-51B-001-5Z 5 Year Warranty Plan |
