LED "TOL" warning sign

Tablice ostrzegawcze z podświetlaniem LED typ TOL
The LED illuminated warning boards type TOL are intended for use as optical and acoustic warning and information elements in stationary systems for the measurement or detection of gases and flammable vapours, outside potentially explosive atmospheres.
Technical specifications:
- Supply voltage: 12 V or 24 V DC, permissible 11 - 28 V DC
- Power consumption : 3 W
- Degree of protection:
- TOL1 board - IP33 (internal board)
- TOL2 array - IP33 (internal array)
- TOL1z board - IP54 (external board)
- Mass:
- TOL1/TOL1z backboard - 0.85 kg
- TOL2 backboard - 0.9 kg
- Dimensions - height x width x depth :
- TOL1/TOL1z backboard -120 x 450 x 21 mm
- TOL2 board - 120 x 450 x 30 mm
- Standard height of letters 28 mm
- Acoustic signalling - internal buzzer (buzzer)
Example lettering : "Caution - Carbon monoxide - do not enter", "Excess fumes - leave the room", "Excess fumes - do not enter", "Excess fumes - do not enter", "Gas hazard - leave the room", "Gas hazard - do not enter".
Versions:
- TOL1 - single-sided internal,
- TOL1z - single-sided external,
- TOL2 - double-sided internal.
12 V DC power supply for TOL arrays type ZS_2 (optional - found in detection systems with 12 V power supply).
Technical parameters:
- Mains power supply : 230 V AC
- Output voltage / current max : 12V / 400mA
- Number of holes: 6 - Ø20mm (PG21)
- Climatic operating conditions:
- working temperature: - 20 to + 50 oC
- humidity: 10... 90 % without condensation
- Enclosure: Degree of protection IP44 (indoor installation) , 4-point fixing.
- Weight : 420g
- Dimensions: height x width x depth : 108mm x 152mm x 58mm (with glands)
Has relay outputs - 2 relays, with NO/NC contacts, signalling the exceeding of alarm thresholds Al1 and Al2.
Sensors used: electrochemical (selective, two-way detection).
Measuring range (standard): 0-500 ppm.
Standard alarm thresholds : electrochemical sensors - 40/100ppm.
Visual indication on the detector of power supply, exceeding of alarm thresholds, failure.
PS plastic housing, cable entries (glands): 2 x PG11.
Areas of application : garages and underground car parks, chemical industry, laboratories, boiler rooms, air quality control, etc.
Versions:
uniTOX.CO K /E/D - electrochemical CO sensor, relay outputs (NO/NC type)