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Summary of Contents for Simpson 890-2
- Page 1 Model 890-2 Sound Level Calibrator INSTRUCTION MANUAL 1.800.561.8187 information@itm.com www. .com...
- Page 2 SIMPSON ELEC- TRIC COMPANY neither assumes nor authorizes any other persons to assume for it any other liability in connection with the sales of its products.
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Page 3: Table Of Contents
3.2 Precautions ..................... 7 3.3 Operational Features and Items ............... 7 3.4 Effects of Atmospheric Pressure and Temperature ........9 3.5 Calibration of Simpson Sound Level Meter ..........9 4. SERVICING INSTRUCTIONS ............10 4.1 General ....................10 4.2 Lo-Battery Indication ................10 4.3 Battery Installation or Replacement ............ -
Page 4: Introduction
SLM microphone. Items and Accessories All items and accessories required for the operation of the 890-2 are furnished with each instrument and listed in the following table. Table 1-1. Items and Accessories Furnished With This Instrument. -
Page 5: Preparations For Use
Check that all items listed in Table 1-1 are included with the Instrument. 2.3 Warranty The Simpson Electric warranty policy is printed on the inside front cover of this manual. Read it carefully before requesting a warranty repair. For all assistance, including help with the Instrument under warranty, contact the factory. -
Page 6: Care Of The Instrument
884-2, 886-2, and 899. 3.2 Precautions When the 890-2 is turned on, a 1000 Hz tone is audible. Under this condition, there is a natural tendency to bring the instrument against the ear. However, never place the operating calibrator tightly against the ear. The high sound level present could be harmful, especially to someone with a hearing deficiency. -
Page 7: Operational Features And Items
2. Be sure the sealing ring in the transducer cap is not damaged and that the leak-to- atmosphere hole is not clogged. (Refer to Table 3-1, item 1.) 3.3 Operational Features and Items All features and items used to operate the 890-2 calibrator are described in Table 3-1 and illustrated in Figure 3-1. 890-2... -
Page 8: Effects Of Atmospheric Pressure And Temperature
3. Lo Batt Indicator (LED): A small light-emitting diode (LED) indicator that will light if the battery needs to be replaced. The Instrument will automatically shutdown if the battery condition is not adequate enough to provide the specified sound level pressure. 4. -
Page 9: Calibration Of Simpson Sound Level Meter
If not, remove the small metal cap covering the calibration adjustment of the sound level meter, and using the small screwdriver supplied with the 890-2 calibrator, make the necessary adjustment until it does. Turn off the calibrator and replace the metal cap covering the calibration adjustment, if it was removed. -
Page 10: Servicing Instructions
SERVICING INSTRUCTIONS 4.1 General The 890-2 contains no operator-serviceable parts, except for the battery. This section contains instructions for replacing the battery. Special training and facili- ties are required for servicing and calibrating sound level calibrators. When the Instrument does not appear to be functioning properly, send it to the factory.
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