Home Messtechnik Produkte ACR Systems Inc. SmartReader Plus SmartReader Plus9
The SmartReader Plus9 is a versatile data logger designed for easy counting and recording of digital pulses or switch cotnact closures. It has two pulse/contact input channels. Data can dsiplayed in custom engineering units using the simple equation editor of ACR´s TrendReader®Standard software.
Product Specifications
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No. of Channels: Two
- - Two for externally-generated pulse signals and dry switch contact closures
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Pulse Inputs: Range:
- 4095 pulses/sample period
- Accuracy: +/-1 pulses/sample period
- Max Voltage: +24/-22 volts DC
- Input Impedance:
- >1.0 M ohm for Vin <5V
- > 4.0 ohm for Vin > 5V
- Min. Pulse Wide 50% Duty Cycle:
- Slow input: 2 milliseconnds
- Fast input: 10 milliseconds
- Voltage Pulse:
- Input type: Active logic signals
- Input voltage: High: 4.5 to 24 volts DC
- Switch Inputs:
- Input Type: Uncommitted "dry" contacts /relay or switch)
- Excitation: 5 microamps contact current 3.6 volts open circuit
- Contacts: Sealed gold-plated recommended
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Maximum Frequency: 100 KHz
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Memeory Size: 32 KB and 128 KB