3
2.12 Analogue output - isolated
• 0 to 5 volts – minimum load 10k ohms or
• 4 to 20mA – maximum load 500 ohms
NOTE
Programmable for full scale values of between 1ppm and 100% oxygen and zero scale
values of between 0ppm and 90% however The full scale value must always be higher
than zero scale value
2.13 Alarm outputs
2 alarms each user programmable for:
• Mode - HIGH, LOW or OFF.
• Level - full range of instrument.
• Hysteresis - 0% to 10% of set point.
• Volt free C/O contacts rated at 48v 0.5A AC or DC, normally energised
2.14 Serial Communication Port
• RS232 DCE (9w female D connector)
2.15 Environment
• Operating: 0°C to +40°C, RH 90% (non-condensing)
• Storage: -20°C to +55°C, RH 90% (non-condensing)
2.16 Power supply
• 90-260V AC 50/60 Hz unit, Maximum power consumption 30VA.
2.17 Dimensions
• 483mm (w) x 133mm (h) x 315mm (d)
2.18 Enclosure details
• Material: Mild steel instrument
• Protection: IP40 (front face only)
• Weight: 5Kg
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