Item #: EI-GUARDCO
Our Price: $3,450.00
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Description 

Features

  • Continuous monitoring of carbon monoxide concentrations
  • True Volume % pressure compensated readout
  • Long term stability - infrequent calibration
  • Low maintenance
  • Digital Alarm set points
  • Graphical user interface
  • Password protection
  • Audible and visual alarms and relays
  • Easy to read 4 digit LCD display
  • RS232 (Ethernet option)

Applications:

  • Monitoring Carbon monoxide process biproducts
  • Process control
  • Heat treatment
  • Gasification
  • Coke Ovens
  • For Monitoring high concentrations of CO (not breathable air)
  • For breathable air safety go here.

The Guardian® NG range of infrared gas monitors offers near-analyser quality continuous sampling, measurement
and display of target gas concentrations. The Guardian NG range provides high accuracy detection
and measurement of either CO, (this page ) or CO2 and CH4.
The well proven design offers reliability, accuracy, long-term stability and low maintenance, based on proprietary infrared sensor technology and over thirty years of sensor design and manufacturing experience.
Suitable for a wide variety of applications, these wallmounted monitors can detect gases from sampling points up to 30 metres away, using the built in sampling system. The Guardian NG instruments are easy to install stand-alone products that require minimum set up. The instrument includes a built in sample pump which can draw the sample gas either from the immediate vicinity of the instrument or from up to 30 meters away via tubing. The Guardian NG has an integral LCD display and digital alarm set-point controls, housed in a robust plastic IP54
rated enclosure to prevent the ingress of particulates and water.

Specifications

Measuring range 2 models to choose from either 0-3% CO or 0- 10% CO
Accuracy O2 ± 2% (full scale)
Response time T90 = <30 seconds from sample inlet
Warm up time 1 minute (initial) 30 minutes (full specification)
Measuring Method Nondispersive infared Sensor
Power Requirements 90 to 260 VAC 50 to 60 Hz, 15W
Ambient Temperature 0 to +40 degrees C
Humidity Measurements are unaffected by 0 – 95% relative humidity, non condensing
>Sensor Lifetime O2 Sensor -2 years CO2 Sensor-Indefinit
Minimum Sample Gas Requirement 5 ml
Outputs 4 - 20 mA / 0-20 mA analogue output
11V guaranteed drive capability
Alarm ranges: zero to full scale. Alarm 1 relay, Alarm 2 relay and Fault relay
SPCO (single pole change-over)
Voltage free contact ratings 8A at 250V AC (resistive load) 8A at 24V DC (resistive load)
Enclosure Rating IP54

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