DetCon20 - Knock Sensor0 pages

Technical Data Sheet

Knock Sensor
P/N 43.20.001

Dimensions
∙ length

47 mm (1.85'')

∙ width

28 mm (1.10'')

∙ height

21 mm (0.83'')

∙ diameter of opening for mounting screw

8.4 mm (0.33'')

Mechanical and Electrical Data
∙ sensitivity at 5 kHz (when sensor is new)

26 +8 -5 mV/g

∙ variation during service life

max. -17 %

linearity between 5 and 15 kHz

+20 to 10 % of measured 5 kHz value

at resonances (frequency range ≤ 2 kHz)

15 to 41 mV/g

∙ linearity between 15 and 20 kHz
at resonances (frequency range ≤ 2 kHz)

+20 % to +50 % linear rise across
frequency
20 to 49 mV/g

∙ main resonance frequency

> 25 kHz

∙ impedance

R > 1 MΩ
C = 1100 ± 300 pF

∙ leak resistance, if applicable:
(resistance between the two output pins of the sensor)

4.9 Ω ± 20 %

∙ temperature dependence of sensitivity

≤ -0,06 mV/g °K

∙ protection class

IP 54 A

Connection
∙ plug

2-pole connector

Climatic Environmental Conditions
∙ permissible temperature range

-40 °C to +130 °C (-40 °F to 266 °F)

Installation
∙ fixing screw in AL

M8x30-8.8

∙ fixing screw in GG

M8x25-8.8

∙ mounting position

random

∙ holding torque

15±2 Nm (11±1.5 lb-ft)

P/N 01.33.005-EN | Rev. 04/2015