Hewlett-Packard 436A Power Meter

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Agilent Free Manual Download Site
KO4BB Free Manual Download Site (MIL manual with Schematics)

Hewlett Packard Catalog CostLow BidHigh Bidaverage
$2,150.00 (1980)
$2,900.00 (1986)
$2,900.00 (1990)
...
$510.00 7/30/01 #1619948522 lhw43
$47.99 (+$15 ship) 6/8/09 #150349731524 cdhlc (10 bids $5 start) (Powers up-Option 22-no cable or sensors)
$16.07 (free ship) 6/14/09 #110400607143 buybest13 (4 bids $0.99 start) (untested)
$16.07 (free ship) 6/14/09 #110400607137 buybest13 (5 bids $0.99 start) (untested)
$13.29 (+~$19 ship) 7/31/09 #120452577620 dayoakam (3 bids $9.99 start) (tested with external sources-seems to read ok-no cable or sensors)
$33.00 (+~$20 ship) 12/1/10 #320622006876 national_auctions (2 bids $29.99 start) (power up-digits displayed - no cable or sensor)

  • 4 Digit
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    Requires 8480 series Power Sensor and Cable

    HP 436A Power Meter ==========================================
    Thermocouple Power Meter
  • General purpose digital power meter intended for manual and automatic RF and microwave power measurements
  • Compatible with the entire series of 8480 power sensors
  • Measures either absolute or relative power
  • Displays absolute power in either watts or dBm, while relative power is displayed in dB Specifications
  • Frequency Range: 100kHz to 50GHz and 75 to 110GHz (depending on power sensor used)
  • Power Range: -70dBm to +44dBm (100pW to 25W)(sensor dependent)
  • Cal Factor: 16-position switch normalizes meter reading to account for calibration factor. Range 85% to 100& in 1% steps
  • Cal Adj: Front-panel adjustment provides capability to adjust gain in meter to match power sensor in use
  • Recorder Output: Proportional to indicated power with 1 volt corresponding to full scale and 0.316 volts to -5dB; 1 kohm output impedance, BNC connector
  • RF Blanking: Open collector TTL; low corresponds to blanking when auto-zero mode is engaged
  • Display: Digital display with four digits. 20% over-range capability on all ranges. Analog meter: uncalibrated peaking meter to see fast changes
    Power Sensor Selection Guide
    HP / Agilent Model Frequency Range Connector Type
    25 Watt Sensors 1 mW to 25W (0 to +44dBm)
    8481B 10 MHz to 18 GHz Type-N(m)
    3 watt Sensors 100 W to 3 W (-10 to +35 dBm)
    8481H 10 MHz to 18 GHz Type-N(m)
    100 mW Sensors 1W to 100 mW (-30 to +20 dBm)
    8485A 50 MHz to 26.5 GHz APC -3.5 mm (m)
    8481A 10 MHz to 18 GHz Type-N(m)
    8482A 100 kHz to 4.2 GHz Type-N(m)
    8483A (75 ohm) 100 kHz to 2 GHz Type N(m) 75 ohm
    R8486A 26.5 to 40 GHz Waveguide Flange UG-599/U
    Q8486A 33 to 50 GHz Waveguide Flange UG-383/U
    High Sensitivity Sensors 100 pW to 10W (-70 to -20 dBm)
    8484A 10 MHz to 18 GHz Type-N(m)
    Power Range: 0.1 nW to 10 W