26
Chapter 7
Specifications
Bird 4421A Power Meter Specifications
Note:
The RF Calibration Kit is intended for indoor use only.
Compatible Bird Power
Sensors
4021, 4022, 4023, 4024, 4025, 4027, 4028, SMK-3003-XX
Sensor Detection
Automatic Sensor detection
Dual sensor support
Two sensors may be connected and measurements displayed
simultaneously.
Note:
Dual-sensor support requires dual-sensor license is
purchased and activated.
Connection to sensor
Wired
Display
Type
9.7" TFT full color LCD (LED back light), touch screen
Resolution
1024x768
Calibration interval
Not required
I/O Connectors
RS-485 (Sensor)
Ethernet
Serial, RS-232
2
1
1
Environment
Operating Temperature
0° to 40° C (32° to 104° F)
Storage Temperature
-10° to 50°C, ≤ 1 month
-10° to 35°C, ≤ 6 months
-10° to 25°C, > 6 months
Note:
Storage temperature limited by battery specification.
Storage outside this range may degrade battery capacity. For
best performance, a full recharge is recommended every 6
months or if stored below 0°C.
Operating Relative Humidity 95% Max (non condensing)
Max Operating Altitude
6400 m
AC/DC Power Supply
Input Voltage
100 - 240 V @ 50-60 Hz, 1
30 W.
Main Supply Voltage
Fluctuations
± 10 %
Over-voltage Category
Category II
Pollution Degree
2
Certifications
MIL28800 CLASS 4; SGS
Physical Characteristics
Dimensions, nominal:
H x W x D
9 11/16 in. x 10 5/8 in. x 3 37/64 in.
(246 mm x 270 mm x 91 mm)
Summary of Contents for SMK-3000 Series
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Page 38: ...RF Calibration Kit 28 Figure 13 Sensor Accuracy Vs Load VSWR...
