The manual for the Bk precision Data Logger Sound Level Meter provides detailed instructions on setup, operation, and troubleshooting, including how to configure the clock and recording intervals, use the RS232 interface for data communication, and perform calibration procedures. It also includes safety information, specifications, and guidance on using various functions such as MAX/MIN hold, frequency weighting, and time weighting.
Manual Overview
The BK Precision manual provides detailed guidance on using and maintaining the Data Logger Sound Level Meter. For troubleshooting, it emphasizes understanding error codes such as “OVER” and “UNDER,” which indicate when input levels exceed or fall below the measurement range. Calibration is performed using the CAL potentiometer, and adjustments are necessary to maintain accuracy within ±1.5dB under reference conditions. The manual outlines a step-by-step calibration procedure and advises using the RS-232 interface for diagnostics and data logging. For board-level guidance, it specifies using only designated replacement parts during repairs. The manual also includes instructions for setting up the clock and recording intervals, essential for accurate data logging. The device supports various frequency and time weightings, allowing for tailored measurements. It operates within specific environmental conditions, such as a temperature range of 0 to 40°C and humidity up to 90%. Regular maintenance includes wiping the case with a dry cloth and ensuring all safety symbols and precautions are adhered to for safe operation.
Quick Issues Covered
- Calibration procedures detailed for accurate sound level measurements.
- RS232 interface setup for data communication with PC.
- Error codes for over/under range sound level indications.
Overview
This manual covers the Data Logger Sound Level Meter, which conforms to IEC651 type2 and ANSI S1.4 Type2 standards. It includes safety information, specifications, and instructions for setup and operation. The meter features an internal memory capable of storing up to 32,000 records and uses an RS232 interface for communication with a PC. The manual provides details on calibration, measurement preparation, and operating precautions.
Specifications
- Standard applied: IEC651 Type2, ANSI S1.4 Type2.
- Frequency range: 31.5Hz ~ 8KHz
- Measuring level range: 30 ~ 130dB
- Frequency weighting: A/C
- Microphone: 1/2 inch electret condenser microphone
- Display: LCD
- Digital display: 4 digits
- Resolution: 0.1dB
- Display Update: 0.5 sec.
- Analog display: 50 segment bargraph
- Resolution: 1dB
- Display Update: 50 mS
- Time weighting: FAST (125mS), SLOW (1 sec.)
- Level ranges: Lo: 30 — 80 dB
- Med: 50 — 100 dB
- Hi: 80-~130 dB
- Auto: 30 — 130 dB
- Accuracy: +1.5dB (under reference conditions @ 94dB, 1KHz)
- Dynamic range: 100 dB (50 dB model 732A)
- Alarm function: “OVER” is when input is more than the upper limit of range.
- “UNDER” is when input is less than the lower limit of range.
- MAX/MIN hold: Holds readings the Maximum and Minimum Value.
- AC output: 1 Vrms at FS (full scale).
- Output impedance: Approx. 1000
- FS: means the upper limit of each level range.
- DC output: 10mV / dB, output impedance approx. 1KO
- Power supply: One 9V battery, OO6P or IEC 6F22 or NEDA 1604.
- Power life: About 50hrs (alkaline battery)
- AC adapter: Voltage 9 VDC, center pin negative, (8-15VDC Max)
- Supply current: > 30mMADC Socket: pin ? Ground
- Casing ? Positive External Diameter ? 3.5mm
- Internal Diameter 2? 1.35mm
- Electromagnetic Compatibility:
- RF field = 3V/m
- Total accuracy = specified accuracy + 0.5dB
- Operation temperature: 0 to 40°C (32° to 104°F)
- Operation humidity: 10° to 90%RH
- Storage temperature: -10° to 60°C (14° to 140°F)
- Storage humidity: 10 to 75%RH
- Dimensions (L x Wx H): 10.8 x 2.5 x 1.2inch (275 x 64 x 30mm)
- Weight: 285g (including battery)
- Accessories: 9V_ battery, carrying case, Screwdriver, Instruction manual.
- Windscreen, 3.5? plug, software & RS-232 cable (optional model 732A).
Controls & Indicators
Refer to the PDF for details.
Installation / Setup
Refer to the PDF for details.
Operation
Refer to the PDF for details.
Troubleshooting & Error Codes
Refer to the PDF for details.
Safety & Warnings
Read the safety information carefully before operating or servicing the meter. Use the meter only as specified in the manual to ensure the protection provided by the meter is not impaired. The meter is designed for use at altitudes up to 2000 meters and in environments with a relative humidity of up to 90% and ambient temperatures between 0° and 40°C. Repairs or servicing not covered in the manual should only be performed by qualified personnel. Periodically wipe the case with a dry cloth and avoid using abrasives or solvents. Use only specified replacement parts when servicing.
Download MANUAL Manual (PDF – 339.9 KB)
Bk-precision-732a-instruction MANUAL helps technicians troubleshoot and calibrate the 732A model efficiently. File size: 339.9 KB.
- Brand: Bk-precision-732a-instruction
- Model: MANUAL
- Type: Manual
- File size: 339.9 KB
Overview
Brief overview of the product.
Specifications
- Key spec 1
- Key spec 2
Controls & Indicators
Control panel/button layout.
Installation / Setup
- Step 1…
- Step 2…
Operation
Basic usage, modes, cycles.
Troubleshooting & Error Codes
| Issue / Code | Fix |
|---|---|
| Example | How to fix… |
Safety & Warnings
- Important warning…
Downloads
Bk-precision-732a-instruction MANUAL Overview
The Bk-precision-732a-instruction MANUAL provides comprehensive guidance for operating the Bk-precision 732A, a versatile digital multimeter designed for accurate electrical measurements. This device is ideal for technicians, engineers, and hobbyists who require precise voltage, current, and resistance readings in various electronic and electrical applications.
Main Features and Specifications
- Measurement Functions: AC/DC Voltage, AC/DC Current, Resistance, Continuity, and Diode Testing
- Display: Large, backlit LCD for clear readings in low-light conditions
- Auto and Manual Ranging for flexible measurement options
- Data Hold and Relative Mode for easier data analysis
- Max/Min Recording to capture peak values during testing
- Input Protection to safeguard against overload and incorrect connections
- Battery Powered with low battery indicator
- Compact and ergonomic design for comfortable handheld use
Basic Usage and Operation Tips
Before using the Bk-precision 732A, ensure the device is powered on and the correct measurement mode is selected. Connect the test leads to the appropriate input jacks and touch the probes to the circuit or component under test. Use the data hold function to freeze readings for easier viewing. When measuring current, always start with the highest range to prevent damage. Regularly check the battery status to avoid inaccurate readings.
Troubleshooting and Maintenance
If the multimeter displays erratic readings or fails to power on, first check the battery and replace it if necessary. Inspect test leads for damage or wear and replace if faulty. Clean the device with a soft, dry cloth and avoid exposure to moisture or extreme temperatures. If the device is not functioning properly after these steps, consult the manual for detailed troubleshooting or contact authorized service centers.
Safety Reminder
Always observe proper safety precautions when using the Bk-precision 732A. Avoid measuring voltages or currents beyond the device’s specified limits. Disconnect power before testing resistance or continuity to prevent damage or injury. Use insulated test leads and wear appropriate personal protective equipment when working with high voltages. Follow all local electrical safety regulations to ensure safe operation.