Stulz Leak Detection Systems

EL4001 Control Panel

Liquid leak detection and locating system with common interface through dry contacts and remote supervision RS485 Modbus (Mounting: DIN-Rail)

General Features

  • Maximum accumulated length of sensing cable

    200m

  • Maximum accumulated length of jumper cable

    300m

  • Precision of leak location

    +/- 1 metre or +/- 0.5%

  • Failsafe operation

    Ability to operate in loop back operation and to detect liquid leakage during cable break

  • Time to detect leak/cable break

    3 seconds typically

  • Liquid leak detection capability

    Typically 20mm in length of liquid (e.g. tap water) in full contact with sensing cable. Leak sensitivity is adjustable.

  • Multi-leak detection and location capability

  • Remote supervision by RS485 Modbus

  • ASIC based digital location principle (patent pending) with inherent temperature stability, zero drift and very low power consumption

Controller

Environmental Ratings

Operating temperature0°C - 40°C (indoor installation only)
Storage Temperature-20°C - 70°C
Humidity5% to 95% non-condensing

 

Power Requirements

Power Supply230 +/- 15% VAC, 50/60 Hz
Optional Input115 VAC/ 50-60 Hz or 12 to 30 VAC/DC power input
Power Consumption3.5 VA / 3 W maximum
Power relays switching characteristics

 

 Power Relays Switching Characteristics

Alarm dry contact Operation - SPDT
Switching current - 0.5A at 250 VAC, 1A at 30 VDC

 

Serial Communication Interface

Physical supportRS485-two wire, ESD and surge protected as per IEC 61000-4-5
ProtocolModbus

 

Compliance to International Standards

EMC emissionIEC61000-6-3(2001)
Electromagnetic compatibility
Generic emission standard for residential, commercial and light industrial environment 
EMC immunityIEC61000-6-1(2001)
Electromagnetic compatibility
Generic immunity standard for residential, commercial and light industrial environment 

 

 

Stulz Leak Detection Systems

EL5001 Control Panel

Liquid leakage non-locating detection system. (Mounting: DIN-Rail)

General Features

  • Maximum accumulated length of sensing cable

    60m

  • Maximum accumulated length of jumper cable

    100m

  • Audible alarm

    90dB max. buzzer with silencing button

  • Time to detect leak/cable break

    3 seconds typically

  • Liquid leak detection capability

    Typically 20mm in length of liquid (e.g. tap water) in full contact with sensing cable. Leak sensitivity is adjustable

Controller

Environmental Ratings

Operating temperature0°C - 40°C (indoor installation only)
Storage Temperature-20°C - 70°C
Humidity5% to 95% non-condensing

 

Power Requirements

Power Supply230 +/- 15% VAC, 50/60 Hz
Optional Input115 VAC/ 50-60 Hz or 12 to 30 VAC/DC power input
Power Consumption1 VA / 0.75 W maximum

 

 Power Relays Switching Characteristics

Alarm dry contact Operation - SPDT
Switching current - 0.5A at 250 VAC, 1A at 30 VDC

 

 Compliance to International Standards

EMC emissionIEC61000-6-3(2001)
Electromagnetic compatibility
Generic emission standard for residential, commercial and light industrial environment 
EMC immunityIEC61000-6-1(2001)
Electromagnetic compatibility
Generic immunity standard for residential, commercial and light industrial environment 

 

 

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