PCE Instruments PCE-SC 42 User manual
PCE Americas Inc.
711 Commerce Way
Suite 8
Jupiter
FL-33458
USA
From outside US: +1
Tel: (561) 320-9162
Fax: (561) 320-9176
info@pce-americas.com
PCE Instruments UK Ltd.
Units 12/13
Southpoint Business Park
Ensign way
Hampshire / Southampton
United Kingdom, SO31 4RF
From outside UK: +44
Tel: (0) 2380 98703 0
Fax: (0) 2380 98703 9
info@pce-instruments.com
www.pce-instruments.com/english
www.pce-instruments.com
Manual
Sound Calibrator PCE-SC 42
Version 1.0
Date of creation: 30.03.2016
Date of last change: 31.03.2016
Manual
2
Contents
1Introduction .............................................................................................................3
2Safety notes.............................................................................................................3
3Specification............................................................................................................4
4System description.................................................................................................4
5Instructions..............................................................................................................5
5.1 Calibration................................................................................................................................... 5
5.2 Replacing the batteries............................................................................................................... 5
6Influence of the atmospheric pressure and temperature ....................................5
7Disposal...................................................................................................................6
8Contact.....................................................................................................................6
8.1 PCE Instruments UK .................................................................................................................. 6
8.2 PCE Americas ............................................................................................................................ 6
Manual
3
1 Introduction
Thank you for purchasing a PCE-SC 42 from PCE Instruments.
This sound calibrator is light weight, small, handy and easy to transport. Despite its complexity, it is easy
to operate. If the safety notes are adhered to, then the PCE-SC 42 will give you many years of service,
due to its robust construction. The calibrator is mostly used to calibrate sound level meters, sound
measurement systems and microphones and can be used on-site as well as in laboratories.
2 Safety notes
Please read this manual carefully and completely before you use the device for the first time. The device
may only be used by qualified personnel and repaired by PCE Instruments personnel. There is no
warranty of damages or injuries caused by non-observance of the manual.
- If anything is spilled on the device, remove immediately with a damp cloth. Any corrosive material or
fluid must be removed with an appropriate detergent.
- When the device is not in use, ensure it is switched off.
- Do not to expose it to extreme environmental conditions (temperature, humidity), vibrations, mechanical
vibrations, dust, corrosive vapors and electrostatic and electromagnetic influences.
- Ensure the transducer cap is closed firmly at all times.
- If the device has not been used for more than 30 days, check if the battery is empty and if so replace it.
- If the device is not going to be used for longer than 30 days, remove the battery to prevent leakage.
This user's handbook is published by PCE Instruments, no liability is taken.
Please read our General Guarantee Terms which can be found in our General Terms of Business.
If you have any queries, please contact PCE Instruments
Manual
4
3 Specification
Frequency
1 kHz ±0.1 %
Sound pressure level
94 dB and 114 dB
Accuracy
±0.3 dB (at 20 °C and 760 mm Hg)
Microphone
1/2” and 1” microphone opening
Standard
IEC 942 class 2
Power supply
9 V block battery NEDA 1604, Burgess 2U6 or
similar
Battery life
Approx.100 hours
Environmental conditions
-10 … 50 °C
Storage conditions
-40 … +65 °C (remove battery beforehand)
Temperature coefficient
0 … 0.01 dB / °C
Altitude effect
Reduction of approx.0.1 dB per altitude gain from
2000 feet from the sea level up to 12000 feet or
comparable changes of the atmospheric pressure
(approx. at every decrease of 50 mm Hg)
Dimensions
48 x 48 x 138 mm
Weight
Approx. 250 g
4 System description
1 Transducer cap
2 Microphone adapter
3 Battery compartment cover
4 ON / OFF (selection switch 94 or 114 dB)
5 Battery level notification (LED)
Manual
5
5 Instructions
5.1 Calibration
The PCE-SC 42 can be used to test various sound devices. If a device with a 1 inch microphone is being
tested, then the appropriate adapter ring for a 1 inch microphone head should be used. Ensure that the
microphone is inserted into the adapter and is resting on the bottom edge, thereby supporting the
microphone and providing an inner seal. To take a measurement reading, proceed as follows:
1. Using the switch, set the calibrator to 94 or 114 dB. A sound with a frequency of 1000 Hz will be
audible.
2. Switch on the sound level meter to be tested.
3. Carefully connect the microphone with the connecter. Ensure that the microphone is fully inserted
into the connector and is resting on the bottom edge.
4. When the calibration procedure is completed, then remove the microphone and switch the
calibrator off.
5.2 Replacing the batteries
If the battery level notification turns dark, then the battery must be replaced. Unscrew the bottom ring (the
battery compartment cover), remove the switch carefully and take the used battery out and insert the new
one.
6 Influence of the atmospheric pressure and temperature
The effects of normal fluctuations of the atmospheric pressure are usually irrelevant, regardless of the
location. However altitude influences the PCE-SC 42 in the same way as most calibrators. The convertor
membrane in the calibrator creates sound through the vibrations impacting on the air. If the air is thin (in
higher altitudes) then a lower sound level is produced. This sound calibrator is intended to produce 94 dB
at sea level. If the device is used above sea level, a lower sound level will be produced depending on the
altitude.
For every 2000 feet, above sea level, the PCE-SC 42 produces 0.1 dB less than 94 dB. For example, at
the altitude of 6000 feet the calibrator produces only 93.7dB. Therefore, the sound level meter should be
set on 93.7dB instead of 94dB. The temperature influences are lower than ±0.05 dB/°C, at a reference
temperature of 23 °C.
Manual
6
7 Disposal
For the disposal of batteries, the 2006/66/EC directive of the European Parliament applies. Due to the
contained pollutants, batteries must not be disposed of as household waste. They must be given to
collection points designed for that purpose.
In order to comply with the EU directive 2012/19/EU we take our devices back. We either re-use them or
give them to a recycling company which disposes of the devices in line with law.
If you have any questions, please contact PCE Instruments.
8 Contact
If you have any questions about our range of products or measuring instruments please contact PCE
Instruments.
8.1 PCE Instruments UK
By post:
PCE Instruments UK Ltd.
Units 12/13 Southpoint Business Park
Ensign Way, Southampton
Hampshire
United Kingdom, SO31 4RF
By phone:
02380 987 035
8.2 PCE Americas
By post:
PCE Americas Inc.
711 Commerce Way
Suite 8
Jupiter
33458 FL
USA
By phone:
561 320 9162
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