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Model 8120-400A
Strain Gage Sensor Signal Conditioner
Installation and Operating Manual
For assistance with the operation of this product,
contact PCB Piezotronics, Inc.
Toll-free: 800-828-8840
24-hour SensorLine: 716-684-0001
Fax: 716-684-0987
E-mail: info@pcb.com
Web: www.pcb.com
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Summary of Contents for PCB Piezotronics 8120-400A
- Page 1 Model 8120-400A Strain Gage Sensor Signal Conditioner Installation and Operating Manual For assistance with the operation of this product, contact PCB Piezotronics, Inc. Toll-free: 800-828-8840 24-hour SensorLine: 716-684-0001 Fax: 716-684-0987 E-mail: info@pcb.com Web: www.pcb.com...
- Page 2 Assistance is needed to safely operate equipment PCB Piezotronics is an ISO-9001 certified company whose Damage is visible or suspected calibration services are accredited by A2LA to ISO/IEC Equipment fails or malfunctions 17025, with full traceability to SI through N.I.S.T.
- Page 3 CAUTION Refers to hazards that could damage the instrument. NOTE Indicates tips, recommendations and important information. The notes simplify processes and contain additional information on particular operating steps. The following symbols may be found on the equipment described in this manual: This symbol on the unit indicates that high voltage may be present.
- Page 4 PCB工业监视和测量设备 - 中国RoHS2公布表 PCB Industrial Monitoring and Measuring Equipment - China RoHS 2 Disclosure Table 有害物质 镉 汞 铅 (Pb) 六价铬 (Cr(VI)) 多溴联苯 (PBB) 多溴二苯醚 (PBDE) 部件名称 (Hg) (Cd) 住房 PCB板 电气连接器 压电晶体 环氧 铁氟龙 电子 厚膜基板 电线 电缆 塑料 焊接...
- Page 5 Component Name Hazardous Substances Lead (Pb) Mercury (Hg) Cadmium (Cd) Chromium VI Polybrominated Polybrominated Compounds Biphenyls (PBB) Diphenyl Ethers (Cr(VI)) (PBDE) Housing PCB Board Electrical Connectors Piezoelectric Crystals Epoxy Teflon Electronics Thick Film Substrate Wires Cables Plastic Solder Copper Alloy/Brass This table is prepared in accordance with the provisions of SJ/T 11364.
- Page 6 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL Table of Contents Section 1.0 Description Page 1 Section 2.0 Installation and Cabling Page 1 Section 3.0 Calibration Page 7 Section 4.0 Calibration of PCB Rotary Transformer Torque Sensors Page 8 Section 5.0 Troubleshooting...
- Page 7 The 8120- and condition/amplify the applied input to a 410A is similar to the 8120-400A except it also standard ± 5 volt DC analog output level. Two contains a dedicated 4.5 digit LED display with a 3Hz update rate.
- Page 8 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL Figure 1 – Bench Mounting Clearance Dimensions Figure 2 – Panel Mounting Cut-Out Dimensions To panel mount an instrument, proceed as follows, referring to Figure 3. Important: The unit is shipped with two spacer washers on the securing screws of the rear-panel I/O connector.
- Page 9 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL 6. Tighten the two securing screws of the rear panel I/O connector to ensure that the connector is seated and that the conditioner printed-circuit board is pushed fully forward so that the front- panel screwdriver adjustments and buttons are accessible.
- Page 10 When this type of transducer is mechanical input. Shunt calibration data used with the 8120-400A, it is not necessary to then can be collected by means of the remove the 59KΩ resistor internal to the installed calibration resistor instrument.
- Page 11 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL The 6-wire configuration, shown in Figure 8, should be used when the instrument is to be calibrated by achieving a precisely known Equivalent Input value through the use of a shunt calibration resistor supplied by the transducer manufacturer and when the required cable length is less than 20 feet.
- Page 12 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL Remote Calibration Check Master/Slave Connections The instrument can be placed in the calibration When more than one 8120-400A (or a mode (positive realm only) by shorting pins 5 combination of AC Carrier Conditioners) is...
- Page 13 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL Analog Outputs 8120-430A). When only the conditioner is analog outputs simultaneously supplied (8120-400A), an external indicator available at the instrument I/O connector, with must be used to monitor the conditioner each output having a different passband: DC to output.
- Page 14 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL step (3) indicates that a field adjustment is 4.0 CALIBRATION OF PCB ROTARY necessary, proceed as follows: TRANSFORMER TORQUE SENSORS Remove the front panel by removing Shunt calibration of the Model 4100 Torque...
- Page 15 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL 5. Release +CAL and check zero; adjust if 7. Switch the 8113A to the RUN position and necessary. Check +CAL and adjust if check the instrument zero and adjust per necessary. Repeat steps (4) and (5) until step (1).
- Page 16 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL Note: The user can contact the factory for assistance. See the front page of this manual for phone and fax numbers for the factory.
- Page 17 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL Figure 12 – Front Panel R and C Balance Controls These controls are used to set the output to zero when the transducer is unloaded. NULL Pushbutton This pushbutton is pressed when nulling the transducer bridge with the R and C Balance controls.
- Page 18 MODEL 8120-400A AC SIGNAL CONDITIONER OPERATION MANUAL Figure 13 – Rear Panel Decimal Point / Dummy Zero Switches These switches, located in the upper right corner of the panel, place the decimal point in its proper place for the measurement range. Moving one of the switches places the decimal point at the selected position on the front panel display.
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