Precision Power Sensors
4027A Series
PowerSensor_4027A-09202012
30303 Aurora Rd. Solon, OH 44139 866.695.4569 www.bird-technologies.com
SPECIFICATIONS
Accuracy ±1% at calibration frequencies and power levels
±2 % at other frequency and power levels
Add 2% to uncertainty outside 25 ± 10 °C
Calibration
Power Level
1000W units: 700 watts
10kW units: 1700 watts
Uniformity 2 % maximum unit to unit, at calibration
frequency and power levels
Speed 2 readings per second
Maximum Power 10 kW units - 12 kW max.
1 kW units - 1.2 kW max.
Harmonic Content -50 dBc max
VSWR Range 1.0-2.0
Directivity 28 dB
Insertion Loss <0.05 dB
Connectors *Customer Specied
Power Requirements
External DC
12 VDC, supplied from Bird 4421 Power Meter
Dimensions 5.2” L x 2.5” W x 3.25” H
Weight 1 lbs. 13 oz. (0.8 kg)
Operating Temperature 15°C to 35°C (59°F to 95°F)
Storage Temperature -40°C to 80°C (-40°F to 176°F)
Humidity 95% maximum (non-condensing).
Altitude Up to 10,000 feet (3,048 m)
General EMC Designed to carry CE mark (with immunity
exception noted below)
Emissions EN-55011, 1991, Class B
Immunity EN-50082-1, 1995
Safety EN-61010, 1993 in accordance with Council
Directives 73/23/EEC and 93/68/EEC
Calibration Cycle 6 month. Performance before and performance
after data to be supplied for units
If you need assistance in selecting products from our standard 4020-series sensor line,
please contact a sales engineer at Bird Technologies Group.
*For connector options, please refer to our catalog or contact sales at 866.695.4569 /
sales@bird-technologies.
Models Power Range Frequency
4027A12M 300 mW to 1 kW 10-15 MHz
4027A250K 3 W to 10 kW 250-400 kHz
4027A400K 3 W to 10 kW 400-550 kHz
4027A800K 3 W to 10 kW 800-950 kHz
4027A2M 3 W to 10 kW 1.5-2.5 MHz
4027A4M 3 W to 10 kW 3-5 MHz
4027A10M 3 W to 10 kW 10-15 MHz
4027A25M 3 W to 9 kW 25-30 MHz
4027A35M 3 W to 7.5 kW 35-45 MHz
4027A60M 3 W to 6 kW 45-65 MHz
4027A100M 3 W to 4 kW 95-105 MHz
4027A150M 3.75W to 3.75 kW 150-170 MHz
Also available - Standard 4020 series 4021(300mW-1kW, 1.8-32 MHz),
4022 (300mW-1kW, 25-1000 MHz), 4024 (3W-10kW, 1.5-32 MHz),
and 4025 (3W-10kW, 100-2500 kHz).
±3% (1s) of reading accuracy and 28 dB minimum directivity.
Note 1: See also 4020 Series of broadband, 5% accuracy sensors.
Note 2: For applications with harmonic greater than -50 dBc,
contact the factory for versions of 4027A Sensors with ltering
included.
PowerSensor_4027A_2012 branding 7/30/2013 2:58 PM Page 2
