Oldham Surveyor 4B - Chapter 6│ Technical Specifications

6 – Technical specifications
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Chapter 6│ Technical specifications
Manufacturer
OLDHAM
Type
SURVEYOR 4 B
Function
Control station for explosive gas detectors
Capacity
1 measurement chanel
1 detector type CEX 300 or OLC10/100 or 2
OLC 10Twin detectors
Measurement
Measurement
Display unit
Continious
None
Visual alarms
Failure: yellow
Gas, 1st threshold: red
Gas, 2nd threshold: red
Audio alarm
Integrated
Alarm Acknowledgement
Manual ou automatic
Electric power supplies
Alternative
Continue
230 VCA (207 à 253 V) – 50Hz
Accepts category II transient overvoltages
and pollution degree 2
12 VCC (11.5 à 14 V)
Power consumption
5.8 W (detector connected) @230Vac
0.4A (detector connected) @12 Vdc
Electrical protection
Fuse
Relays
Relay 1
Relay 2
Common to gas (alarm 1) and fault
Gas alarm 2
Contact
SPDT, relay 1 (positive safety)
SPDT, relay 2
Max. breaking capacity
2A sous 250Vca ou 30Vcc
Measuring line
Cable
Maximum line length
Maximum loop resistance
3 conductors
40 m (with conductor 1.5 mm²)
1.4 ohms
Mounting
On symmetrical DIN rail and into a
closed cabinet
Miscellaneous
Technology
Mains visual indicator
Housing
Warranty
SMC (surface mounted component)
Green LED
NORYL
1 year
Dimensions
58 x 105 x 90 mm
Weight
0.360 kg
Cable inlets/outlets
Screw type terminal block
Ingress Protection
IP 20
Mecanical protection
IK 08
Operating conditions
Ambient temperature
Relative humidity
Altitude
+ 10 °C to + 45 °C
5 % to 95 % non-condensed
≤2000m