Part No.: 03E4270

Liquid Alarm Sensor KS3 EX SS PTFE

Product features

  • Liquid sensor for conductive and non-conductive media
  • Explosion proof version according to ATEX for zone 1
  • Can be integrated in M&C stainless steel universal filters with 1/2" NPT condensate connection
  • Connection: ø 18 mm
  • Operating pressure: max. 2 bar abs.
  • With 1.5 m electrical connecting cable
  • Material of sample-contacting parts: PTFE, stainless steel, Chemraz®
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Liquid Alarm Sensor KS3 EX SS PTFE

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Liquid Alarm Sensor KS3 EX SS PTFE

Product information & downloads

Manual 8 MB
Data sheet 291 KB
CE Certificate 254 KB
Unit calculator

Barometric adjustment of the operating altitude of O₂ analyzers without pressure compensation

Enter the planned operating altitude in the field. Set the analyzer to the calculated O2 vol% value at 1013 mbar (altitude = 0 m) in air to measure at the planned operating altitude without barometric error.

Result: 22,9378 [vol%] need to be set to measure at the planned altitude without barometric error.*

*Air with standard pressure 1013 mbar = 20.93 vol% O₂

Pressure drop and delay time

Enter your values in fields 1 to 3.

1

2

3

Result: 3,39 Delay time approx. in [s]*

* Single change of gas, for 90 % response time approx. 3 changes of sample volume are required.

Calculation of the pressureless 100 % H₂O saturation

Enter the required H₂O dew point (°C).
The calculation only provides sufficiently accurate values in the temperature range between -20 °C and +90 °C.

Pressure units

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Temperature units

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Length units

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Area units

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Volume units

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Weight units

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Energy units

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Flow rate

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Flow velocity

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Performance units

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For non-conductive media, as explosion-proof version. The new liquid alarm sensor type KS3 EX replaces the KS2.EX. The KS3 EX is an adequate replacement for the KS2.EX model. The former KS2 plastic enclosure has been replaced by a rugged aluminium case. In association with the new Type Examination Certificate, the temperature range of the liquid alarm sensor has been extended to -20 °C up to 50 °C (~-4 °F up to 122 °F).

Liquid alarm sensors are used in gas sample conditioning systems for monitoring gas cooling and condensate drain-off devices in order to provide protection for downstream analysis instruments. The monitoring device KS3 EX reliably signals the penetration of non-conductive (e.g. alcohol) and conductive (e.g. water) liquid in the case of cooling or condensate drain-off equipment being defective, thus avoiding expensive downtime as well as high repair costs for analysis instruments. In the event of an alarm, the power supply for the sample gas pump must be switched off or a solenoid valve must be switched idle in the sample conditioning system.
Liquid alarm sensor type KS3/SSEx for non‑conductive media, explosion‑proof version for Ex zone 1 with protection class according to ATEX II 2G Ex ia IIC T6 Gb BVS 16 ATEX E 127 IECEx BVS 16.0092, diameter: 18 mm, operating pressure: 2 bar abs., material: PTFE, Chemraz®, SS 316 Ti, for installation in the filter pot type F‑120SS‑D NPT1/2" (90F0137N) or CLF‑SS NPT1/2" (C50009)

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