Extech 407732-KIT-NIST – Sound Level Meters – Minimum Sound Level: 35 dB, Maximum Sound Level: 130 dB, Display (Sound Level Meter): Digital

• High accuracy meets ANSI, and IEC Type 2 standards
• High and Low measuring ranges (35 to 130dB)
• Data Hold and Max Hold functions
• Backlit display to view in dimly lit area

This Type 2 Sound Level Meter Kit meets ANSI and IEC 651 Type 2 standards. Ideal for noise surveys in the workplace, installing fire alarms and speaker systems and enforcing noise ordinances. Measures from 35 to 130 dB in 2 ranges and has an accuracy of ±1.5 dB. Data hold and Max hold functions. Backlit display allows use in dimly lit areas. Includes plastic carrying case for meter and calibrator.

Environmental Conditions

• Altitude up to 2000 meters
• Relative Humidity: 90% max.
• Operating Temperature: 0 to 40o C (32 to 104o F)

Maintenance and Cleaning

• Repair or servicing not covered in this manual should only be performed by qualified personnel.
• Periodically wipe the case with a dry cloth. Do not use abrasives or solvents.

1. Microphone

2. 4-digit LCD Display

3. ON-OFF button

4. LCD Backlight button

5. Frequency weighting selection button

6. Response time selection button

7. Range selector button

8. Max Hold / Data Hold selector button

9. Battery compartment on rear

10. Calibration pots in battery compartment

11. Windscreen