Monarch Instrument
15 Columbia Drive
Amherst, NH 03031
ph: (603) 883-3390
Fx: (603) 886-3300
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Panel Tachometers: ACT Series 
 The ACT-1B Panel Tachometer Series (three models) operate from either a single pulse per revolution, ten pulses per revolution, or sixty pulses per revolution.
The ACT-2A and ACT-3 are front panel programmable for single or multiple pulses per revolution and for scaling. They may be used as Tachometers, Rate meters, Counters, and Totalizers.
The ACT Series Panel Instruments offer a fixed and floating decimal point and can be supplied with Remote Optical, Infrared, Laser, Proximity, and Magnetic Sensors, and are directly compatible with a TTL input and a 200mV to 50 Vac signal. The ACT-3 also has front panel programmable alarm set points, analog voltage and current, TTL and RS232 outputs. The ACT-3 offers more standard features than any other Panel Bench Top Tachometer available.
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Features
 All models - Universal Input, non-contact operation from optical, infrared, laser, proximity, and magnetic sensors or direct TTL and 200mV to 50 Vac signals
ACT-1B
5 RPM - 100,000 RPM
One pulse per revolution (ACT-1B) 60 pulses per revolution (ACT-1B-115-60) AO, IO or PO output options available
ACT-2A
5 RPM - 999,990 RPM
Front panel programmable
One or multiple pulses per revolution & scaling .0001 to 9999.9, totalize & count 1 to 99,999, Min. and Max.recall
Model ACT-3 Panel Tachometer
5 RPM - 999,990 RPM
ACT-3 includes N.I.S.T. Traceable Certificate of Calibration
Front panel programmable
One or multiple pulses per revolution & scaling .0001 to 99,999, totalize & count 1 to 99,999
Two alarm set points, latching or non-latching programmable hysteresis, low limit lockout
Analog voltage output 0-5 Vdc
Current output 4-20 mA, TTL pulse repeater output
RS232 bi-directional interface
Minimum and maximum recall
Line Power 115 Vac or 220/230/240 Vac, 50/60 Hz. 12 or 24 Vdc (User Must Specify). |
Specifications
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ACT-1B |
ACT-1B-60 |
ACT-2A |
ACT-3 |
Tachometer
Speed Range |
5-99,999 RPM
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5-999,990 RPM (Speeds below 5 RPM possible with multiple pulses/revolution) |
Tachometer
Accuracy |
±1 RPM |
±0.0015% of reading |
Tachometer
Resolution |
1 RPM |
Range (RPM)---Resolution |
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5.000-9.9999 0.0001
10.000-99.999 0.001
100.00-999.99 0.01
1000.0-9999.9 0.1
10,000-99,999 1
100,000-999,999 10
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Tachometer
Input Signals |
0-5 V TTL or 1.1-50 Vac
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| Input Configuration |
1 pulse/revolution |
60 pulses/revolution |
1 or multiple pulses/revolution. Front panel push button programmable |
Tachometer
Alarm Output |
N/A |
Form C relay contacts, rated 1A at 115Vac |
Tachometer
Alarm Capability |
N/A |
Two alarm set points each, front panel programmable as either high or low, latching or non-latching. Hysteresis and low limit lockout are programmable. |
Tachometer
Analog Outputs
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Optional: Current Output (IO): 4-20mA (12 bit) OR Analog Output (AO): 0-5Vdc (12 bit) **Must specify full scale RPM for each option** |
N/A |
Voltage Output 0-5Vdc and Current Output 4-20mA. Panel programmable for common full scale RPM or offset ranges. Example: 0V=3600 RPM / 5V=5000 RPM
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ACT Series Panel Tachometers Accessories
| ITEM NO. |
MODEL |
DESCRIPTION |
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| 1065-2022-001 |
4633 |
3-wire shielded Sensor Cable, bulk lengths - Specify total length
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CALL |
| 6180-070 |
T-5 |
Reflective Tape - 5 foot roll, 0.5 inch wide
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| 6180-079 |
T-5WP |
Waterproof Reflective Tape (honeycomb pattern) - 5 foot roll, 1 inch wide
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| 6180-CAL |
CAL-N.I.S.T. |
N.I.S.T. Traceable Certificate of Calibration / Re-Calibration
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ACT Series Panel Tachometers Ordering Information
| ITEM NO. |
MODEL |
DESCRIPTION |
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| 6140-050 |
ACT-1B/115 |
Tachometer - 5 to 100,000 RPM, with one pulse per revolution and115 Vac power |
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| 6140-060 |
ACT-1B/230 |
Same as ACT-1B/115, but with 230 Vac power |
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| 6140-070 |
ACT-1B/12 |
Same as ACT-1B/115, but with 12 Vdc power |
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| 6140-052 |
ACT-1B/115 IO |
Tachometer - 5 to 100,000 RPM, with Current Output, 4-20 mA, one pulse per revolution and 115 Vac power - Specify Factory Preset Full Scale RPM (Example: 20 mA = 5,000 RPM) |
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| 6140-062 |
ACT-1B/230 IO |
Same as ACT-1B/115 IO, but with 230 Vac power |
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| 6140-072 |
ACT-1B/12 IO |
Same as ACT-1B/115 IO, but with 12 Vdc power |
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| 6140-051 |
ACT-1B/115 AO |
Tachometer - 5 to 100,000 RPM, with Analog Output, 0-5 Vdc, one pulse per revolution and 115 Vac power - Specify Factory Preset Full Scale RPM (Example: 5 Vdc = 10,000 RPM) |
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| 6140-061 |
ACT-1B/230 AO |
Same as ACT-1B/115 AO, but with 230 Vac power |
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| 6140-071 |
ACT-1B/12 AO |
Same as ACT-1B/115 AO, but with 12 Vdc power |
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| 6140-053 |
ACT-1B/115 PO |
Tachometer - 5 to 100,000 RPM, with TTL Pulse Repeater Output, one pulse per revolution and 115 Vac power |
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| 6140-063 |
ACT-1B/230 PO |
Same as ACT-1B/115 PO, but with 230 Vac power |
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| 6140-073 |
ACT-1B/12 PO |
Same as ACT-1B/115 PO, but with 12 Vdc power |
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| 6140-054 |
ACT-1B/115-60 |
Tachometer - 5 to 100,000 RPM, with 60 pulses per revolution and 115 Vac power |
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| 6140-064 |
ACT-1B/230-60 |
Same as ACT-1B/115-60, but with 230 Vac power |
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| 6140-020 |
ACT-2A/115 |
Tachometer/Totalizer - 5 to 999,990 RPM - 1 to 99,999 counts, with programmable push button for single or multiple pulses/rev. and 115 Vac power |
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| 6140-022 |
ACT-2A/230 |
Same as ACT-2A/115, but with 230 Vac Power |
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| 6140-023 |
ACT-2A/12 |
Same as ACT-2A/115, but with 12 Vdc Power |
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| 6140-030 |
ACT-3/115 |
Tachometer/Totalizer - 5 to 999,990 RPM - 1 to 99,999 counts, with programmable push button for single or multiple pulses/rev., ao and Io w/offset 12 bit A/D, PO, TTL, 2 alarms, RS232 and 115 Vac power |
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| 6140-032 |
ACT-3/230 |
Same as ACT-3/115, but with 230 Vac power |
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| 6140-033 |
ACT-3/12 |
Same as ACT-3/115, but with 12 Vdc power |
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| EXTENDED WARRANTIES ARE AVAILABLE. |
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