User Manual
2
Calibration Frequencies, 
Typical (MHz)
*
4028A250K 
4028A400K 
4028A2M 
4028A3M 
4028A4M 
4028A10M 
4028A25M 
4028B10M 
4028C10M
*. Other calibration frequencies available upon request
0.25, 0.40 
0.40 
1.8, 2.0, 2.17 
2.5, 3.2, 3.5 
3.5, 4.0 
10.0, 13.56, 15.0 
25.76, 27.12, 28.48 
10.0, 13.56, 15.0 
10.0, 13.56, 15.0
Calibration Power, Typical 1.7 kW
Calibration Technique Frequency-specific calibration factors stored 
in nonvolatile memory in each sensor. 
Sensor output corrected for frequency and 
temperature within specified ranges.
Calibration Cycle, Nominal 1 year
Sampling Rate, Nominal 2 readings / second
Operating Power Supplied by power meter via sensor cable
Connectors
4028B10M 
4028C10M 
All other models
1-5/8” EIA Flanged 
3-1/8” EIA Flanged 
Customer specified from 7-16 DIN, LC, HN, 
and 7/8" flanged, appropriate for frequency 
and power.
CE CE Compliant. Refer to Declaration of 
Conformity for specific standards.
Humidity, Max. 95% (Non-condensing)
Altitude, Max. 10,000 feet (3,000 m)
Temperature Range
Operating 
Storage
0 to 50 °C (32 to 122 °F) 
–20 to +70 °C (–4 to +158 °F)
Dimensions
4028B10M, 4028C10M 
All other models
6.75”L x 3.5”W x 4.75”H 
(175 x 89 x 121 mm) 
4.7”L x 3.2”W x 3.8”H 
(120 x 82 x 97mm)
Weight, Nominal
4028B10M, 4028C10M 
4028A250K, 400K 
All other models
5 lb. 2 oz. (2.33 kg) 
1 lb. 13 oz. (0.8 kg) 
3 lb. 9 oz. (1.6 kg)






