Personal Noise Dose & Noise Level Alerts
Listen Ear™ Personal Noise Dose Alert
The Listen Ear™ – Personal Noise Dose Alert (PED-1704-D) is a small battery powered unit that measures the noise dose over an 8 hour daily period of time from the moment you switch it on, and indicates whether the noise dose in your environment is acceptably low or too high via an optical and vibrating alert.
Key Features
- Self contained unit.
- Simple to use.
- Long battery life.
- Optical and Vibration alert.
- Patented anti-knock feature (Patent No: GB 2 551 724).
Product Gallery
Specifications
Measuring range
40dB to 120dB SPL
Noise dose threshold levels
Alert Lamp Colour
Noise Dose % (over 8h)
Alert Lamp Colour
GREEN
Noise Dose % (over 8h)
Below 80%
Alert Lamp Colour
AMBER
Noise Dose % (over 8h)
Greater than 80%
Alert Lamp Colour
RED
Noise Dose % (over 8h)
Greater than 85%
Noise dose averaging time
8 hours
Microphone type
High stability digital MEMS microphone
Calibration
Factory calibrated
Weighting
A weighting IEC 61672:2002 Class 2
Warning lamp
Multi coloured LED, Red, Green, Amber
Warning lamp indicator states
Lamp Colour
Flash Duration
Low battery
Low Battery Lamp Colour
RED
Flash Duration
SHORT
Normal (no alert)
Normal (no alert) Lamp Colour
GREEN
Flash Duration
SHORT
Amber alert
Amber Alert Lamp Colour
AMBER
Flash Duration
LONG
Red alert
Red Alert Lamp Colour
RED
Flash Duration
LONG
Vibration alert
Rotating type
Vibrate time
15 sec
Battery
1x AA LR6 alkaline
Battery life
>360h
Dimensions
71mm x 56mm x 18mm (23mm including clip)
Weight
70g (with a battery)
Life time
5 years
Environmental
Temperature operation
-40 °C to +65 °C
Temperature storage
-50 °C to +70 °C (no battery)
Humidity operating
up to 90% RH, non-condensing
Humidity storage
up to 90% RH, non-condensing
Notes
All values are typical unless otherwise stated.
Continuous product development and innovation are the policy of our company. Therefore, we reserve the right to change the specifications without prior notice.
Industries served
Where ever there is a requirement for noise exposure monitoring the Listen Ear™ Personal Noise Dose Alert will let you know if the noise dose in your environment is acceptably low or too high.
Listen Ear™ Personal Noise Level Alert
The Listen Ear™ – Personal Noise Level Alert (PED-1704-L) is a small battery powered unit that measures the current noise level and indicates whether the noise level in your environment is acceptably low or too high via an optical and vibrating alert.
Key Features
- Self contained unit.
- Simple to use.
- Long battery life.
- Optical and Vibration alert.
- Patented anti-knock feature (Patent No: GB 2 551 724).
Product Gallery
Specifications
Measuring range
40dB to 120dB SPL
Noise dose threshold levels
Alert Lamp Colour
Noise Level dBA
Alert Lamp Colour
GREEN
Noise Level dBA
Less than 80dB
Alert Lamp Colour
AMBER
Noise Level dBA
Greater than 80dB
Alert Lamp Colour
RED
Noise Level dBA
Greater than 85dB
Threshold trip times
1 sec ON, 30 sec OFF
Microphone type
High stability digital MEMS microphone
Calibration
Factory calibrated
Weighting
A weighting IEC 61672:2002 Class 2
Warning lamp
Multi coloured LED, Red, Green, Amber
Warning lamp indicator states
Lamp Colour
Flash Duration
Low battery
Low Battery Lamp Colour
RED
Flash Duration
SHORT
Normal (no alert)
Normal (no alert) Lamp Colour
GREEN
Flash Duration
SHORT
Amber alert
Amber Alert Lamp Colour
AMBER
Flash Duration
LONG
Red alert
Red Alert Lamp Colour
RED
Flash Duration
LONG
Vibration alert
Rotating type
Vibrate time
15 sec
Battery
1x AA LR6 alkaline
Battery life
>360h
Dimensions
71mm x 56mm x 18mm (23mm including clip)
Weight
70g (with a battery)
Life time
5 years
Environmental
Temperature operation
-40 °C to +65 °C
Temperature storage
-50 °C to +70 °C (no battery)
Humidity operating
up to 90% RH, non-condensing
Humidity storage
up to 90% RH, non-condensing
Notes
All values are typical unless otherwise stated.
Continuous product development and innovation are the policy of our company. Therefore, we reserve the right to change the specifications without prior notice.
Industries served
Where ever there is a requirement for noise level warning the Listen Ear™ Personal Noise Level Alert will let you know if the level is acceptably low or too high.
