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Model 6013, 8-Channel Instrumentation Amplifier-Filter-Digitizer
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Features
- Voltage, thermocouple & DC-LVDT inputs
- Optional thermocouple reference junction box
- Gains 1 to 5,000 with 0.05% accuracy
- Automatic zero & gain calibration
- Four-pole, low-pass filter
- Up to 10 kS/s per channel with 16-bit resolution
- Two alarms with programmable upper & lower limits
Description
The 6013 input module has eight channels, each with programmable gain instrumentation amplifier, low pass filter and sample and hold. The high level outputs are multiplexed and digitized to 16 bits then output to the 6000 data bus. A ninth reference temperature channel conditions the output of the temperature sensor in the Model 6084 thermocouple reference junction box The 6013 provides regulated DC power for transducers with integral electronics. Each channel has a wideband analog output.
The 6013 may be configured for use with voltage, thermocouple and current transducers. It provides ±12/15 Volt power for transducers with integral electronics. Versions are available for current loop, high voltage and 28 Volt powered transducers.
Voltage substitution is provided for channel gain calibration utilizing an external voltage standard. A calibration attenuator enables the voltage standard to be used on its highest accuracy ranges and provides a post-attenuator output for calibration and verification. Using Pacific's PI660 software zero and gain calibration and correction are automatic.
The four-pole, low-pass filter uses an easily changed plug-in module to set bandwidth. Either the wideband or filtered output may be digitized and sent to the 6000 data bus. Two programmable alarms each with upper and lower limits are checked each time the outputs are digitized.
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Configuration (Input)
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8 channels, differential, 2 wire with shield.
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Range
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±2 mV to ±10 Volts (±200 mV to ±100 V with optional attenuator).
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Attenuator
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100:1, ±0.2% (6013-HV).
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Impedance
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50 Megohms, shunted by 1,000 pF (1 Megohm with attenuator)
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Protection
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±50 Volts differential, ±30 Volts common mode. ±250 Volts differential with attenuator.
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Type (Thermocouple Inputs)
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B, C, E, J, K, N, R, S, and T.
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Configuration (Thermocouple Inputs)
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Differential, 2 wire with shield.
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Type (Current Inputs)
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4-20 mA input.
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Configuration (Current Inputs)
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Differential, 2 wire with shield.
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Termination (Current Inputs)
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200 Ohms
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Gain
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Programmable 1-5000, in 1, 2, 3, 5 steps, with ±0.05% accuracy.
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Gain Stability
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±0.01%, ±0.005%/ºC.
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Bandwidth
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1 kHz
-3 dB
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Linearity (Amplifier)
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±0.01% for gains 0.1 to 1,000, ±0.02% for gains above 1,000.
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Common Mode
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60 dB plus gain in dB to 110 dB, DC to 60 Hz.
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CM Voltage
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±10 V
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Zero (Amplifier)
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Automatic to ±1 µV RTI, ±0.5 mV RTO.
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Zero Stability
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±5 µV RTI, ±1 mV RTO. ±1 µV/ºC RTI,
±0.2 mV/ºC RTO. Short term: ±2 µV RTI,
±0.4 mV RTO for 8 hours.
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Source Current
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±10 nA, ±1 nA/ºC.
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Noise (10 Hz)
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0.1 µV rms, RTI, 0.5 mV rms, RTO
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Noise (1 kHz)
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1.0 µV rms, RTI, 0.5 mV rms, RTO
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Recovery
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800 µS to ±0.1% for 10X overload to ±10 V.
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Monitor Output
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±3.0 Volts full scale, unfiltered.
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Voltage Substitution
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Alternate input for external voltage standard. Programmable attenuation steps of 1, 0.1, and 0.01 with ±0.02% accuracy. Output of the attenuator is provided on a rear panel connector for calibration.
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Zero Calibration
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Amplifier input disconnected and shorted.
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Mounting
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Occupies one slot in Series 6000 enclosures.
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Connectors
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Input connector is 50-pin Type D. Connectors are mounted on the front and mates are supplied.
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Operating Temperature
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0 to +50 ºC
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Ordering Information
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6013 - 8-Channel Voltage/Thermocouple, ±12V or ±15V Power.
6013-24V - 8-Channel Voltage/Thermocouple 28V Power.
6013-HV - 8-Channel Voltage, 100:1 Attenuator.
6013-I - 8-Channel Current Loop. 28 Volts, 0 to 20mA.
6081 - Screw Terminal Adapter.
6084 - 8-Channel Thermocouple Reference Junction.
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