General information | В |
Measuring ranges | 4, internally and externally switchable; autoranging is also possible |
Smallest possible measuring range | Dependent on the application, e.g. CO: 0 … 10 vpm, CO2 : 0 … 5 vpm |
Largest possible measuring range | Dependent on the application |
Measuring range with suppressed zero point | Any zero point within 0 … 100 vol.% can be implemented; smallest possible span 20% |
Heated version | 65В В°C |
Operating position | Front wall, vertical |
Conformity | CE mark in accordance with ENВ 50081-1, EN 50082-2 |
Influence of interfering gases must be considered separately | В |
Design, enclosure | В |
Weight | Approx. 32 kg |
Degree of protection | IP65 in accordance with EN 60529, restricted breathing enclosure to ENВ 50021 |
Electrical characteristics | В |
Auxiliary power | 100 … 120 V AC (nominal range of use 90 … 132 V), 48 … 63 Hz or 200 … 240 V AC (nominal range of use 180 … 264 V), 48 … 63 Hz |
Power consumption | Approx. 35В VA; approx. 330В VA with heated version |
EMC (electromagnetic compatibility) | In accordance with standard requirements of NAMUR NE21 (08/98) |
Electrical safety | In accordance with ENВ 61010-1 |
| Overvoltage category II |
| Overvoltage category III |
Fuse values (unheated unit) | В |
| F3: 1 T/250; F4: 1 T/250 |
| F3: 0.63 T/250; F4: 0.63 T/250 |
Fuse values (heated unit) | В |
| F1: 1 T/250; F2: 4 T/250 F3: 4 T/250; F4: 4 T/250 |
| F1: 0.63 T/250; F2: 2.5 T/250 F3: 2.5 T/250; F4: 2.5 T/250 |
Gas inlet conditions | В |
Permissible sample gas pressure | В |
- With hoses (without pressure switch)
| 600 … 1 500 hPa (absolute) |
- With pipes (without pressure switch)
| 600 … 1 500 hPa (absolute) |
- Ex (leakage compensation)
| 600 … 1 160 hPa (absolute) |
| 600 … 1 500 hPa (absolute) |
Purging gas pressure | В |
| <В 165В hPa above ambient pressure |
| 250В hPa above ambient pressure |
Sample gas flow | 18 … 90 l/h (0.3 … 1.5 l/min) |
Sample gas temperature | Min. 0 ... max. 50 °C, but above the dew point, for heated version min. 0 … max. 80 °C |
Sample gas humidity | <В 90% RH (RH: relative humidity) or dependent on measuring task |
Dynamic response | В |
Warm-up period | At room temperature < 30 min (the technical specification will be met after 2 hours) |
Delayed display (T90-time) | Dependent on length of analyzer chamber, sample gas line and configurable damping |
Damping (electrical time constant) | 0 … 100 s, configurable |
Dead time (purging time of the gas path in the unit at 1 l/min) | Approximately 0.5 ... 5 s, depending on version |
Time for device-internal signal processing | <В 1В s |
Pressure correction range | В |
Pressure sensor | В |
| 700 … 1 200 hPa absolute |
| 700 … 1 500 hPa absolute |
Measuring response | Based on sample gas pressure 1В 013В hPa absolute, 0.5В l/min sample gas flow and 25В В°C ambient temperature |
Output signal fluctuation | <В В±В 1% of the smallest possible measuring range according to rating plate |
Zero point drift | <В В±В 1% of the current measuring range/week |
Measured-value drift | <В В±В 1% of the current measuring range/week |
Repeatability | ≤ 1% of the current measuring range |
Detection limit | 1% of the smallest possible measuring range |
Linearity error | В±В 0.5В % of the full-scale value |
Influencing variables | Based on sample gas pressure 1В 013В hPa absolute, 0.5В l/min sample gas flow and 25В В°C ambient temperature |
Ambient temperature | < 1% of current measuring range/10 K (with constant receiver cell temperature) |
Sample gas pressure | With disabled pressure compensation: <В 0.15% of the setpoint/1В % change in atmospheric pressure |
Sample gas flow | Negligible |
Auxiliary power | <В 0.1% of the current measuring range with rated voltageВ В±В 10% |
Environmental conditions | Application-specific measuring influences possible if ambient air contains measured component or cross interference-sensitive gases |
Electrical inputs and outputs | В |
Analog output | 0/2/4 … 20 mA, isolated; load 750 Ω |
Relay outputs | 6, with changeover contacts, freely configurable, e.g. for measuring range identification; load: 24 V AC/DC/1 A, isolated, non-sparking |
Analog inputs | 2, dimensioned for 0/2/4 ... 20 mA for external pressure sensor and accompanying gas influence correction (correction of cross-interference) |
Digital inputs | 6, designed for 24В V, isolated, freely configurable, e.g. for measuring range switchover |
Serial interface | RSВ 485 |
Options | AUTOCAL function each with 8 additional digital inputs and relay outputs, also with PROFIBUSВ PA or PROFIBUSВ DP |
Climatic conditions | В |
Permissible ambient temperature | -30 … +70 °C during storage and transportation; 5 … 45 °C during operation |
Permissible humidity | <В 90% RH (RH: relative humidity) within average annual value, during storage and transportation (dew point must not be undershot) |