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Technical Data

Effective August 2018

ote: 

n

(a) Tones approved under the Construction Products Regulation for Fire Alarm Applications, are shown in the column marked EN54-3.

ote: 

n

(b) EN54-3 measurements shown reflect minimum expected SPL readings at Maximum Volume at the Loudest Point around the EN54-3 defined sounder axis.

ote: 

n

(c) Detailed EN54-3 polar SPL measurements are available in the Product Manual M96-003.

ote: 

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(e) All measurements taken at 20

°

C operating temperature.

Squashni Micro

Squashni Micro/E

Low output setting

(Switch 4=0)

High output setting

(Switch 4=1)

Low output setting

(Switch 4=0)

High output setting

(Switch 4=1)

Tone

mA

*24Vdc 

on Axis
dB(A)

EN54-3 

28Vdc 

see 

notes

dB(A)

Tone SW 

setting
(1)   (2)

mA

*24Vdc 

on 

Axis
dB(A)

EN54-3 

28Vdc 

see 

notes

dB(A)

mA

*24Vdc 

on Axis
dB(A)

EN54-3 

28Vdc 

see 

notes

dB(A)

Tone SW 

setting
(1)   (2)

mA

*24Vdc 

on Axis
dB(A)

EN54-3 

28Vdc 

see 

notes

dB(A)

3

Sweep

800 ~ 970Hz

1Hz (1/s)

5.5

90

93

1        1

15

97

99

7

Slow Whoop 300 ~ 1200Hz 3s sweep, 0.5s 

silence, repeat

4

85

85

1        1

8

90

93

8

Sweep (DIN) 1200 ~ 500Hz 1Hz

4

85

89

0        1

8

90

91

30

Alternating

510 & 610Hz

2Hz 

(250ms-250ms)

3

88

88

0        1

9

95

97

4

85

86

0        0

8

90

92

35

Continuous

510Hz

Steady

3

88

88

0        0

9

95

96

4

85

89

1        0

8

90

93

36

Intermittent

510Hz

1Hz (500ms On 

/ 500ms Off)

3

89

89

1        0

10

95

96

(2nd tone on SQM sounder is intermittent, Tone 36)

(Note: Switch 3 not used)

(2nd tone on SQM/E sounder is continuous, Tone 35)

(Note: Switch 3 not used)

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www.acornfiresecurity.com

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