Related Manuals for GHM Delta OHM HD2022
Summary of Contents for GHM Delta OHM HD2022
- Page 1 English Operating manual Acoustic calibrator HD2022 Companies / Brands GHM www.deltaohm.com Keep for future reference.
-
Page 2: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ....................3 DESCRIPTION ....................... 4 CALIBRATION PROCEDURE ................... 5 ........... 5 ORRECTION DEPENDING ON THE TYPE OF MICROPHONE BATTERY ....................... 6 ..................6 OW BATTERY INDICATION ..................6 ATTERY REPLACEMENT ................6 AUTIONS ON USING THE BATTERY CONSTRUCTION AND FUNCTIONING .............. -
Page 3: Introduction
INTRODUCTION The HD2022 sound level calibrator is a portable, battery operated sound source, suitable for sound level meters (portable and laboratory) and acoustic stations. It allows calibrating 1/2” (1/4” with HD2020AD4 adapter) microphones with mechanical dimensions compliant with IEC 61094-1 (“Measurement microphones. Part 1: Specifications for laboratory standard microphones”) and IEC 61094-4 (“Measurement microphones. -
Page 4: Description
2 DESCRIPTION ON-OFF key: turns on and off the instrument. LED indicating the calibrator status. Calibrator cavity for 1/2” microphones. LOW BATT LED: indicates that the battery is low and needs to be replaced. Battery lid. HD2022 V1.2... -
Page 5: Calibration Procedure
3 CALIBRATION PROCEDURE The HD2022 can calibrate standard 1/2” (and 1/4” with HD2020AD4 adapter) micro- phones compliant with IEC 61094-1 and IEC61094-2. To calibrate the microphone, insert it deep into the cavity. The O-ring will offer some resistance. The calibrator can be held in vertical position or placed on a flat surface. While measuring, you should move neither the microphone nor the calibrator;... -
Page 6: Battery
4 BATTERY The calibrator is provided with a 9 V alkaline battery that can be replaced by the user. The battery charge is constantly monitored. 4.1 L OW BATTERY INDICATION If the battery is charged, the LOW BATT LED is off. If the battery charge is insufficient to ensure the normal operation of the instrument, the LOW BATT LED lights up. -
Page 7: Construction And Functioning
5 CONSTRUCTION AND FUNCTIONING Calibrator mechanical construction (section) The figure schematizes the HD2022 calibrator structure (in section). The battery com- partment is on the right side of the case. The printed circuits with the electronics are over and under the battery compartment. The electro-acoustic transduction system is on the left and it consists of a wide cavity with a piezoceramic generator and a feed- back sensor. -
Page 8: Technical Specifications
TECHNICAL SPECIFICATIONS The HD2022 calibrator complies with IEC 60942-2003 Class 2 and ANSI S1.40- 1984. Coupling cavity For standard ½” (12.7 ± 0.03 mm) microphones according to IEC 61094-1 and IEC 61094-4 Optional adapter HD2020AD4 for ¼” microphones Frequency 1000 Hz Frequency tolerance 2% in the range 0…+40 °C and 10…90%RH Sound pressure level... -
Page 9: Instrument Storage
INSTRUMENT STORAGE Instrument storage conditions: Temperature: -25...+55 °C. Humidity: less than 90 %RH no condensation. In storage, avoid places where: humidity is high; the instrument is exposed to direct sun radiation; the instrument is exposed to a high temperature source; ... -
Page 10: Ordering Codes
ORDERING CODES HD2022 Acoustic calibrator. Supplied with: 9 V alkaline battery and instruction manual. HD2020AD4 Microphone adapter for 1/4” capsules. DELTA OHM metrology laboratories LAT N° 124 are ISO/IEC 17025 accredited by ACCREDIA for Temperature, Humidity, Pressure, Photometry / Radiometry, Acous- tics and Air Velocity. - Page 12 G U AR A N T E E TERMS OF GUARANTEE All DELTA OHM instruments are subject to accurate testing, and are guaranteed for 24 months from the date of purchase. DELTA OHM will repair or replace free of charge the parts that, within the warranty period, shall be deemed non efficient according to its own judgement.
- Page 13 GHM GROUP – Delta OHM | Delta Ohm S.r.l. a socio unico Via Marconi 5 | 35030 Caselle di Selvazzano | Padova | ITALY Phone +39 049 8977150 | Fax +39 049 635596 www.deltaohm.com | info@deltaohm.com The quality level of our instruments is the result of the constant development of the product. This may produce some differences between the information written in this manual and the instrument you have purchased.
- Page 14 GHM GROUP – Delta OHM | Delta Ohm S.r.l. a socio unico Via Marconi 5 | 35030 Caselle di Selvazzano | Padova | ITALY Phone +39 049 8977150 | Fax +39 049 635596 www.deltaohm.com | info@deltaohm.com V1.2 25/06/2019...
Need help?
Do you have a question about the Delta OHM HD2022 and is the answer not in the manual?
Questions and answers