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PA1001A Datasheet

PreAmplifiers

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PA1001A Preamplifiers
The PA1001A series preamplifiers allow convenient interfacing with process measuring
devices and digital electronics. This series of preamplifiers/signal conditioners is available
in both variable reluctance (VR) and RF sensor configurations as well as a combination
unit that provides user selection of either VR or RF sensor input.
Optional features include factory installed pulse scaling and field or factory installed
analog output modules. The analog output module provides both current and voltage
outputs proportional to RPM, flowrate, etc.
Features and Specifications
Input
• voltage: 8 to 30 Vdc
Optional Features
Power
• current draw: 125 mA @ 24 Vdc (all options equipped)
Pulse Scaling
• reverse polarity protected
• divisions of 2, 4, 8, 16, 32, 64, or 128 (user selectable)
RF Sensor
Input
• modulation carrier frequency: 20 KHz
• input frequency: 2 Hz to 5 KHz, user-adjustable trigger
level to eliminate false pulsing
Analog Output Module
Current Output
• accuracy + 0.05% of full-scale + 200 PPM/°C
• available range 4 to 20 mA
• carrier adjustment to allow precise tuning of carrier
• output suitable for driving, floating or grounded loads
signal to physical environment (e.g., air gap, wall
thickness)
• maximum air gap: 0.160”
• preferred coil inductance: 1.0 mH + 10%
• maximum loop impedance 500 ohms
• response time 3 seconds for 10 to 90%
Voltage Output
• accuracy: + 0.05% of full-scale + 200 PPM/°C
• maximum distance from sensor to preamp: 100 feet
• available range: 0 to 5Vdc or 0 to 10Vdc (user
VR Sensor
Input
• input protected, RF and band pass filtered
• input frequency: 0 to 10 KHz, user-adjustable trigger
level to eliminate false pulsing (higher frequencies also
selectable)
• impedance: less than 10 ohms.
• response time: 3 seconds for 10 to 90%
available)
Temperature • operating: -40° to 185°F (-40° to 85°C)
• trigger sensitivity: 4 mV RMS minimum
NOTE: at 4 mV frequency range 10 Hz to 3KHz
Range
• storage: -40° to 302°F (-40° to 150°C)
• input impedance: 40K ohms (nominal)
• maximum input signal: 600 volts RMS
Enclosures
• unit is intended for mounting in a condulet box. Enclosure is
not required but recommended to protect unit from
• maximum distance from sensor to preamp: 100 feet
moisture, dirt, etc.
Pulse
Output
ALL OUTPUT OPTIONS ARE USER SELECTABLE
• open collector Vmos transistor, maximum OFF state
• optional explosion proof box available upon request
• enclosure requirements: GUAx16,26,36 or equivalent
Options
voltage 30 Vdc; maximum ON current 0.40 amp
Approvals
• CE compliant to EMC Directive 89/336/EEC for use in
• TTL/CMOS fanout of 5 TTL/CMOS loads
residential, commercial, light industrial and heavy industrial
• 0 to 10 Vdc square wave
environments
• square wave tied to input voltage
Physical • board diameter: 2.75”
Warranty
• unconditional 1 year warranty if used within specifications
Dimensions • center mounting holes: 2”and 2.5”
• height (standard): 0.625”(NOTE: with anolog option add
1.325”; may change with different connector types)
Product Features
VR and RF
RF only
VR only
Model Number
PA1001A-1
PA1001A-1PS
PA1001A-1A
PA1001A-2
PA1001A-2PS
PA1001A-2A
PA1001A-3
PA1001A-3PS
PA1001A-3A
Description
standard
with pulse scaling
with analog module
standard
with pulse scaling
with analog module
standard
with pulse scaling
with analog module
Enclosure Cover Type
standard lid
standard lid
2" dome lid
standard lid
standard lid
2" dome lid
standard lid
standard lid
2" dome lid
MOTIONSENSORS,INC.
phone 252-331-2080 • fax 252-331-1666 • www.motionsensors.com


Part Number PA1001A
Description PreAmplifiers
Maker MotionSensors
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PA1001A Datasheet PDF






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