7
5.0 SPECIFICATIONS
Specifications*
ACT-1B Panel Tachometer
Range
5 to 99,999 RPM
Accuracy
±1 RPM or 0.005% of reading
Resolution
1 RPM (user-programmable to 0.0001†)
Display
5-digit, 0.56
"
[14 mm] high red LED
Display Update
Twice per second above 120 RPM
(user-programmable to 0.5, 1, or 1.5 second†)
Dimensions
1/8 DIN by 4.5
"
[114 mm] deep
Power Supply
Standard: 100-240 V ac ±10%, 50/60 Hz, 5 VA
Optional: 12 or 24 V dc ±10%, Isolated, 5 Watts
Inputs
Universal input for optical, proximity, two-wire or three-wire
magnetic, infrared or laser sensors
TTL input or 2 V ac to 50 V ac peak to peak input
Standard input is 1 pulse per revolution
(user-programmable from 1 to 999†)
Sensor Excitation
12 V dc at 20 mA for proximity sensors,
12 V dc at 75 mA for all other sensors;
Optional 5 or 24 V dc available
Recommended
Sensors
Optical: Monarch ROS-W
Proximity: Monarch P5-11
Magnetic: Monarch M-190W or MT-190W
Infrared: Monarch IRS-W
Laser: Monarch ROLS-W or RLS-W
IO Option
4 to 20 mA out, 16 bit resolution 12 V dc compliance voltage
Full scale RPM settings as specified when ordered
(user-programmable†)