SOUND LEVEL PEN 840018 INSTRUCTION MANUAL SPER SCIENTIFIC
CONTENTS I. Introduction ................................... II. Description .................................... III. Operating Instructions ................... • Precautions and Maintenance .. • Calibration .................................. • Measurement ............................ • Battery Replacement ................. • Optional Accessories ................ IV. Specifications ................................ V. Warranty ....................................... 2 3 4 4 4-5 5-6 6 6 7 8 I.
II. Description 1 4 1.5V X 2 2 SIZE AAA / IEC LR03 Max Hold 3 Press 2 Sec Power Off 6 SOUND LEVEL PEN 5 OPEN 840018 1. 2. 3. 4. 5. 6. 7.
III. Operating Instructions Precautions and Maintenance • Do not store or operate the instrument at high temperatures or humidity. • Keep the microphone dry and avoid severe shock or vibration. • Wind blowing across the microphone can cause measurement errors, these effects are reduced by using the windscreen. • Remove the batteries if the unit is not in use for a long period of time. • Wipe the case with a dry cloth, do not use abrasives or solvents.
electrical calibration of the unit. • The LCD displays "CAL" for about 1 second. As needed, use the calibration tool to adjust the Calibration (CAL) VR until "94.0dB" is displayed. • This ends the calibration. Make sure that the Measurement Slide Switch is returned to the "MEAS" (up) position and the Battery Cover is reattached. 2. Acoustic calibration using a standard sound calibrator such as Sper Scientific's 840031.
level is above 130dB. • "UNDER" is displayed when the sound level is below 32dB. 4. During the measurement procedure, press the Power / Max Hold button to freeze the measurement. "MAX" and the measurement are displayed. When the frozen sound level measurement is exceeded, the new maximum measurement will be displayed. Press the Power / Max Hold button again to exit this function. 5. To turn the unit off, press and hold the Power /Max Hold button for 2 seconds.
IV. SPECIFICATIONS Range 32dB ~ 130dB Resolution 0.1 dB ±1.5dB (under reference conditions, 94dB@1kHz ) 31.5 Hz ~ 8 KHz in the "A" weighting. Accuracy Frequency Time Weighting Operating Temperature Operating Humidity Storage Temperature Storage Humidity Display Update Microphone Dimensions Weight Battery Life FAST 32~104°F (0~40°C) 10 to 90%RH 14~140°F (-10~60°C) 10 to 75%RH 0.5 seconds 1/2" electret condenser microphone 8.1"L × 1.7"W × 1.0"H 206 × 42 × 25 mm 0.22 lbs, 100g with batteries Approx.
WARRANTY Sper Scientific warrants this product against defects in materials and workmanship for a period of five (5) years from the date of purchase, and agrees to repair or replace any defective unit without charge. If your model has since been discontinued, an equivalent Sper Scientific product will be substituted if available. This warranty does not cover damage resulting from accident, misuse, or abuse of the product.