Instruction Manual

20
Specifications
Models 3126A and 3127A
Model 3128A
Common Specifications and Features
Power Range
6 100W to 250 kW using Bird plug-in
elements
Frequency Range
2 to 1000 MHz
Accuracy ±5% of full scale (for elements
calibrated with the Wattcher)
Meter Scales
3126A
3126A
3127A
3127A
FWD 15/30/60 kW
RFL 1.5/3/6 kW
FWD 5/10/25 kW
RFL 1/2.5/5 kW
Power Range
6
100mW to 10kW using Bird plug-in
elements
Frequency Range
0.45 to 2700MHz
Accuracy ±5% of full scale (for elements
calibrated with the Wattcher)
Meter Scales
FWD and RFL 25/50/100W
Front Panel Controls Reset push button and reflected power limit set
(screwdriver adj.)
Rear Panel Controls Fail-safe/Non fail-safe mode selector switch,
normally open/normally closed alarm contacts (5A @
230 Vac Resistive), remote reset and DC power
connections, audible alarm disable switch
Alarms Audible buzzer and visual front panel LED
Alarm Actuation Time 50ms (typical)
Finish Light navy gray powder coat
Nominal Size 19" X 5-7/32" X 3-3/4" (483 X 133 X 95 mm)
Weight 5 lb. (2.28kg)
Power 115/230Vac, 50/60 Hz, 0.125A or 9-16 VDC, 1A