NZ-5000 O2 In Situ Oxygen Monitor
Vue d'ensemble
The HORIBA NZ-5000 instrument is an In Situ analyser which measures the value of O2 in process gases with exceptionally fast response and high levels of precision. The system can be used in extreme process conditions such as high dust load and aggressive or corrosive flue gas compositions. The system consists of a robust probe, which is inserted directly into the process gas stream, with a separate 19 inch electronic unit which also comes as an optional wall mounted version. The zirconia sensor is positioned directly into the flue gas located at the tip of the probe. Also, due its design and parts used, the NZ-5000 system is virtually maintenance free.
Fonctions
- Approval according to EN15267 (in progress)
- Continuous measurement of O2 in stack gas
- Accuracy of measurement: deviation of only 0.2% from the measured value
- Fully automatic calibration
- Electronically monitored pneumatic unit for reference air and calibration gas(optional)
- Storage of measured values
- Freely adjustable output signals
- Two freely adjustable measuring ranges
- Double limit monitoring
- Intuitive operation via soft keys
- Status display with on-line help
- Display capable of graphics with
- Digital display
- Plain-text display
- Bar-graph display
Fabriqué par HORIBA
Caractéristiques
Electronic Unit | |
Housing | Aluminium 19" 4HE; RAL9006; RAL7016 |
IP code | IP20 |
Display | LC dot matrix 240 x 64 - LED backlit |
Keybad | Membrane keypad |
Signal LEDs | Alarm-orange, maintenance-orange, error-red |
Accuracy | +-0,2% of measured value |
ACAL (automatic calibration) | 1 or 2 point automatic calibration |
Reaction time | <5sec. |
Pneumatic connections-gas entry | 6mm pipe diameter |
Pneumatic connections-gas exit | 10mm pipe diameter |
Pneumatic connections-instrument air entry | 6mm pipe diameter |
Main voltage | 230V +-10% 50 to 60Hz |
Power consumption | 250VA (heating phase) |
Recommended fuse | 6,3A T |
Output signal O2 | Active, 0/4 to 20mA |
Relay contacts | 24V AC/DC, 1A |
Temperature range | -20°C to +55°C (other temperature ranges on request) |
Interfaces (optional) | RS232, RS485; Foundation Fieldbus, HART (others on request) |
Probe | |
Process gas temperature | Up to 600°C (standard) |
Immersion depth | Standard lengths: 495mm, 925mm, 1835mm, 2768mm, 3682mm (other lengths on request) |
Immersion depth with cooling tube | 500mm / 1000mm |
Measuring principle | Ziconium oxide |
Measurin range | 0-100 vol.% |
Process gas pressure | -50 to 50mbar |
Flow velocity | 0 to 50m/s |
Ambient temperature | -40°C up to +80°C |
Reaction time | 0,5s (process flow velocity > 10m/sec.) |
T90-time | 5,0s (process flow velocity > 10m/sec.) |
Probe material | V4A (DIN 1,4571 / SS316Ti) |
IP code | IP65 |
Detection limit | <1ppm O2 |
Compatibility | Westinghouse 218,255 |
CE marking | EMC Directive 2004/108/EC |