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
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Maximum accumulated length of sensing cable
200m
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Maximum accumulated length of jumper cable
300m
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Precision of leak location
+/- 1 metre or +/- 0.5%
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Failsafe operation
Ability to operate in loop back operation and to detect liquid leakage during cable break
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Time to detect leak/cable break
3 seconds typically
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Liquid leak detection capability
Typically 20mm in length of liquid (e.g. tap water) in full contact with sensing cable. Leak sensitivity is adjustable.
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Multi-leak detection and location capability
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Remote supervision by RS485 Modbus
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ASIC based digital location principle (patent pending) with inherent temperature stability, zero drift and very low power consumption
Environmental Ratings
| Operating temperature | 0°C - 40°C (indoor installation only) |
| Storage Temperature | -20°C - 70°C |
| Humidity | 5% to 95% non-condensing |
Power Requirements
| Power Supply | 230 +/- 15% VAC, 50/60 Hz |
| Optional Input | 115 VAC/ 50-60 Hz or 12 to 30 VAC/DC power input |
| Power Consumption | 3.5 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 support | RS485-two wire, ESD and surge protected as per IEC 61000-4-5 |
| Protocol | Modbus |
Compliance to International Standards
| EMC emission | IEC61000-6-3(2001) Electromagnetic compatibility Generic emission standard for residential, commercial and light industrial environment |
| EMC immunity | IEC61000-6-1(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
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Maximum accumulated length of sensing cable
60m
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Maximum accumulated length of jumper cable
100m
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Audible alarm
90dB max. buzzer with silencing button
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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
Environmental Ratings
| Operating temperature | 0°C - 40°C (indoor installation only) |
| Storage Temperature | -20°C - 70°C |
| Humidity | 5% to 95% non-condensing |
Power Requirements
| Power Supply | 230 +/- 15% VAC, 50/60 Hz |
| Optional Input | 115 VAC/ 50-60 Hz or 12 to 30 VAC/DC power input |
| Power Consumption | 1 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 emission | IEC61000-6-3(2001) Electromagnetic compatibility Generic emission standard for residential, commercial and light industrial environment |
| EMC immunity | IEC61000-6-1(2001) Electromagnetic compatibility Generic immunity standard for residential, commercial and light industrial environment |
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