Instruction Manual
Sound Level Meter Types 2245 –
Instruction Manual
Page 42 of 110
Chapter 4
Specifications
4.1 Specifications
Specifications are given for the configuration detailed in Chapter 1.
Unless specifically noted, specifications are given as typical data under Reference
Environmental Conditions, and with the sound level meter calibrated to the nominal
microphone open circuit sensitivity.
4.2 Standards
The sound level meter part of the Sound Level Meter Type 2245 conforms to the
following national and international standards and classes/types/groups with the
accessories and configurations specified in section 1.2.3:
IEC 61672– 1:2002– 05, Class 1, Group X/Z
IEC 61672– 1:2013, Class 1, Group X/Z
DIN 45657:1997– 07
DIN 45657:2014– 07
IEC 60651:1979 (plus Amendment 1 (1993–02) and Amendment 2 (2000–10)),
Type 1, Group X/Z
IEC 60804:2000–10, Type 1, Group X/Z
ANSI S1.4–1983 (plus ANSI S1.4A-1985 Amendment), Type 1
ANSI/ASA S1.4 PART 1-2014, Class 1, Group X/Z
ANSI S1.43–1997, Type 1
The frequency analysis part of the Sound Level Meter Type 2245 conforms to the
following additional national and international standards and classes/types/groups:
IEC 61260:1995–07 (plus Amendment 1 (2001–09)), 1/1-octave Bands and 1/3-
octave Bands, Class 0, Group X/Z, all filters
IEC 61260– 1:2014, 1/1-octave Bands and 1/3-octave Bands, Class 1, Group X/Z,
all filters
ANSI S1.11–2004, 1/1-octave Bands and 1/3-octave Bands, Class 0, Group X/Z, all
filters
ANSI/ASA S1.11–2014/Part 1, 1/1-octave Bands and 1/3-octave Bands, Class 1,
Group X/Z, all filters
In the text elsewhere in this manual, references to these standards are shortened to the
standards name but are to be understood as the full text above.
The international IEC standards are adopted as European standards by CENELEC. When
this happens, the letters IEC are replaced with EN and the number is retained. Type
2245 also conforms to these EN standards.
4.3 Reference Environmental Conditions
Air Temperature: 23 °C
Static Pressure: 101.325 kPa
Relative Humidity: 50%