The environmental meter is a class 2 data logging sound level meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy environmental meter has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The sound level meter calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)

The environmental tester is a class 2 data logging sound level meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy environmental tester has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The sound level tester calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)

The Data Logger PCE-428 is a class 2 data logging sound level meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy data logger has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The data logger calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)

The data logger with USB interface is a class 2 data logging sound level meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy data logger with USB interface has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The sound level meter calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)

The condition monitoring sound level meter is a class 2 data logging sound level meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy condition monitoring sound level meter has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The sound level meter calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)

PCE-428 is a class 2 data logging sound level meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy sound level meter has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The sound level meter calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)

PCE-428 is a class 2 data-logging decibel meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy sound level meter has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time.

- Measuring range: 25 ... 136 db(A)
- A, B, C and Z frequency weightings
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- Adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)

PCE-428 is a class 2 data-logging noise meter / sound meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy sound level meter has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time.

- Measuring range: 25 ... 136 db(A)
- A, B, C and Z frequency weightings
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- Adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)

PCE-428 is a class 2 data-logging sound pressure level (SPL) meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy sound level meter has a large easy-to-read illuminated LCD screen that displays the SPL numerically and graphically in real time.

- Measuring range: 25 ... 136 db(A)
- A, B, C and Z frequency weightings
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- Adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)

The environmental meter is a class 2 data logging sound level meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy environmental meter has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The sound level data logger calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)
- incl. ISO Calibration Certificate

The environmental meter is an optimal sound level meter for measurements at workplaces, construction sites, in traffic, airports, etc. The environmental meter is a class 2 device and is equipped with an octave band frequency filter. The environmental meter can optionally be upgraded with a 1/3 octave band filter.

- Accuracy class 2
- A, B, C & Z frequency weighting
- Fast, Slow, Impulse and Peak time weighting
- Statistics function
- 1/1 octave band included
- 1/3 octave band optional
- Including class II sound calibrator

The environmental tester is a class 2 data logging sound level meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy environmental tester has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The sound level data logger calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)
- incl. ISO Calibration Certificate

The data logger with USB interface is an optimal sound level meter for measurements at workplaces, construction sites, in traffic, airports, etc. The data logger with USB interface is a class 2 device and is equipped with an octave band frequency filter. The data logger with USB interface can optionally be upgraded with a 1/3 octave band filter.

- Accuracy class 2
- A, B, C & Z frequency weighting
- Fast, Slow, Impulse and Peak time weighting
- Statistics function
- 1/1 octave band included
- 1/3 octave band optional
- Including class II sound calibrator

The environmental tester is an optimal sound level meter for measurements at workplaces, construction sites, in traffic, airports, etc. The environmental tester is a class 2 device and is equipped with an octave band frequency filter. The environmental tester can optionally be upgraded with a 1/3 octave band filter.

- Accuracy class 2
- A, B, C & Z frequency weighting
- Fast, Slow, Impulse and Peak time weighting
- Statistics function
- 1/1 octave band included
- 1/3 octave band optional
- Including class II sound calibrator

The sound level data logger is an optimal sound level meter for measurements at workplaces, construction sites, in traffic, airports, etc. The sound level data logger is a class 2 device and is equipped with an octave band frequency filter. The sound level data logger can optionally be upgraded with a 1/3 octave band filter.

- Accuracy class 2
- A, B, C & Z frequency weighting
- Fast, Slow, Impulse and Peak time weighting
- Statistics function
- 1/1 octave band included
- 1/3 octave band optional
- Including class II sound calibrator

PCE-428 is a class 2 data logging sound level meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy sound level data logger has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The sound level data logger calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)
- incl. ISO Calibration Certificate

The environmental meter is an optimal sound level meter for measurements at workplaces, construction sites, in traffic, airports, etc. The environmental meter is a class 2 device and is equipped with an octave band frequency filter. The environmental meter can optionally be upgraded with a 1/3 octave band filter.

- Accuracy class 2
- 1/1 octave band included
- 1/3 octave band optional
- A, B, C & Z frequency weighting
- Fast, Slow, Impulse and Peak time weighting
- Statistics function
- Including class II sound calibrator
- Including calibration certificate for sound level meter
- Including calibration certificate for sound calibrator

PCE-428 is a class 2 data logging decibel meter that meets IEC 60651:1979, IEC 60804:2000, IEC 61672-1:2013, ANSI S1.4-1983 and ANSI S1.43-1997 requirements. This portable high-accuracy decibel meter has a large easy-to-read illuminated LCD screen that displays the sound pressure level (SPL) numerically and graphically in real time. The decibel meter calculates the equivalent continuous sound level Leq (LXeq).

- Measuring range: 25 ... 136 db(A)
- LXY (SPL), Leq (LXeq), LXYSD, LXSEL, LXE, LXYmax, LXYmin, LXPeak, LXN
- Frequency weighting: A, B, C and Z
- Time weighting: Fast (125 ms), slow (1 sec) and impulse (35 ms), decay (1500 ms)
- adjustable data-recording interval from 1 s ... 24 h
- 1/1 octave band filter (optional 1/3 octave band filter upgrade)
- incl. ISO Calibration Certificate