imperii Digital Sonometer Instruction Manual

imperii Digital Sonometer Instruction Manual

INTRODUCTION

This equipment has been designed to facilitate the fulfillment of the requirements of health,
industrial safety and sound quality in different environments, including office and workplace,
home, traffic, industrial and audio systems.

The equipment has the following characteristics:

1. It has been designed according to IEC651 TYPE2 &ANSI S1.4 TYPE2
2. Modern, compact and portable.
3. Accuracy+/- 1.S dB.
4. Measuring range: 30 dBA – 130 dBA.
5. Maximum volume lock.
6. Backlit display.
7. Auto-off.

SAFETY WARNINGS

Environmental conditions for operation:

1. Altitude less than 2,000 meters.
2. Humidity: <80% RH.
3. Temperature: 0 – 40° C.

Maintenance:
Use a damp cap to clean the unit, but never
chemicals.

CALIBRATION PROCEDURE

Use a Standard Acoustic Calibrator.

1. Turn on the calibrator and select the state 94 dB at 1 KHz.
2. Carefully plug the microphone into the ½ inch connector.
3. Turn on the calibrator and adjust the potentiometer inside the battery compartment (as shown in picture 1) until the display shows the 94.0 dB level.

NAME AND FUNCTIONS (Picture 2)

1. Electric condenser microphone.
2. LCD screen.
3. ON/ OFF button.
4. Maximum volume level (MAX) setting button.
5. Light sensor.
6. Tripod hole.
7. Potentiometer.
8. Wind shield.
   

LCD SCREEN (Picture 3)

1. Low battery indicator.
2. Measurement level.
3. Maximum value icon.
4. Measuring unit: dBA.

PREVIOUS OPERATIONS

1. Open the battery cover and install a 9V battery in the battery compartment.
2. Close the battery cover.
3. When the battery signal indicates , replace the old battery with a new one (picture 4).

FUNCTIONS

1. Standard measurement mode
   Press to turn on t he device. The full screen will be displayed for 1 second. Then the measurement of the ambient sound of that moment will begin. The reading will change depending on the sound level recorded in the room.

2. Maximum volume settings
   Press “MAX” to lock the maximum volume level. The volume will remain locked until the indicated value appears. Press “MAX” once more to return to the standard measurement mode.

3. Automatic backlight display
   The light sensor detects t he intensity of t he ambient light automatically. If the light intensity is insufficient, the screen will automatically light
   up and change according to the recorded light intensity.

4. Auto Off
   The device will turn off automatically in approximately 11 minutes. To cancel this function, press   for a long time until the word “UOF” appears on t he display. The auto-off function will not resume operation until the device is restarted.

PRECAUTIONS

1. Do not use the device at high temperatures or in excessively humid environments.
2. Remove the batteries if you are not going to use them for an extended period of time. When using t he device under viewing conditions, install the protective accessory so as not to avoid unwanted signals.

SPECIFICATIONS

TECHNICAL SERVICE : http://imperiielectronics.com/index.php?controller=contact

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