"Our job is helping you do your job"
The ACT-1B can be factory configured to meet your specifications or user configured on site with the optional USB Programming Cable and Software.


All models - Universal Input, non-contact operation from optical, infrared, laser, proximity, and magnetic sensors or direct TTL and 200mV to 50 Vac signals

� Economically priced
� 1/8 DIN sized
� 5 Digit LED display
� 5 to 99,999 RPM range
� Universal sensor inputs
� Compatible with most speed sensors
� User configurable*
� View real-time data on PC* 
� Store data in Excel File in real-time*
� Universal A/C power 100 to 240 Vac,  50/60Hz or optional DC input power
� Optional 4-20mA or 0-5Vdc scalable output
*Requires optional USB programming cable and PM Remote Software

Note: To specify your ACT-1B, select options for input power, pulse output, sensor power and analog output at checkout.  Then specify pulses per revolution (input) and the full scale output scale setting in the spaces provided.  Additional costs to base price of $249.00 apply.

Calcert Gold
Calcert Gold is available for this item. You could purchase a plan to set up calibrations easily with us in the future life of this unit. To learn more and purchase this plan: Click Here

Speed Range

N/A 5 to 99,999 RPM


N/A 5 digit, 0.56" (14 mm) high red LED


N/A 1/8 DIN by 4.5” (114 mm) deep. Panel cutout: 3.58” x 1.74” (91 x 44mm)

Input Power

N/A Optional: 12 or 24 Vdc ±10%, Isolated, 6.0 Watts. Standard: 100 - 240 Vac ±10%, 50/60 Hz

Sensor Excitation

N/A 5Vdc or optional 12Vdc or 24Vdc to sensor.

Recommended Sensors

N/A Inductive - Gas Engine GE-200 Infrared - Monarch IRS-W Laser - Monarch ROLS-W, SLS-115/230 Magnetic - Monarch M-190W or MT-190W Optical - Monarch ROS-W, ROS-P-25, ROS-HT-W-25, ROSM-5W Proximity - Monarch P5-11

Pulse Output (Optional)

N/A 0 to 5 V TTL pulse, non-inverting, one pulse out for each pulse in. Positive or negative out. Programmable using PM Remote Software and USB programming cable.

Remote Programming

N/A Unit can be remotely programmed using optional communications interface cable and PM Remote Software.


N/A Indoor use only, Installation category II per IEC 664 Temperature: -10°C to 50°C operating per IEC 61010-1 Humidity: Maximum relative humidity 80% for temperatures up to 31°C, decreasing linearly to 50% relative humidity at 40°C.

Electrical Safety

N/A Meets EN61010-1:2001, EC low voltage directive 72/23/EEC and 89/336/EEC