Surveyor 4B
Oldham has designed the SURVEYOR 4B as a monitoring apparatus especially to ensure the safety of boiler plants, battery charging rooms or small units where your operations are at risk due to possible escape flammable gas leaks.
Developed for the purpose of quick, safe detection, the SURVEYOR 4B control module combines highly reliable monitoring, simple implementation and low costs.
Specification
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Manufacturer:
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OLDHAM
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Type:
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SURVEYOR 4B
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Function:
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Gas monitoring controller for combustible gas detectors
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Capacity:
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1 channel (1 or 2 detectors)
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Measurement
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Measurement:
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Continuous
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Alarms
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Visual alarms:
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Fault: Yellow
Alarm 1: Red
Alarm 2: Red
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Audio alarm:
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On-board
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Acknowledgement:
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Manual or automatic
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Electric power supplies
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Power Supply
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230 Vac and 12 Vcc
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Power consumption:
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5 VA or 4 W (detector connected)
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Electrical protection:
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Fuse
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Relays:
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Relay 1 - Common to gas and fault
Relay 2 - Gas
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Contact:
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SPDT, relay 1 (positive safety)
SPDT, relay 2
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Max. breaking capacity:
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60 VA or 28 W resistive
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Maximum voltage:
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240 V ~ or 60 V ---
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Maximum current:
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1 A
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Measuring line
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Cable:
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3 conductors
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Maximum line length:
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40 m (with conductor 1.5 mm2)
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Maximum loop resistance:
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1.4 ohms
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Mechanical
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Mounting:
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On symmetrical DIN rail
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Miscellaneous
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Technology:
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SMC (surface mounted component)
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Mains indicator light:
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Green LED
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Housing:
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NORYL
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Warranty:
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1 year
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Dimensions:
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58 x 105 x 90 mm
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Weight:
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0.360 kg
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Cable inlets/outlets:
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Screw type terminal block
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Protection of S4B box:
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IP30
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Operating conditions
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Ambient temperature:
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-10°C to +45°C
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Relative humidity:
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5% to 95% non-condensed
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Noise level:
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Not significant
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