General information | Based on DINВ ENВ 61207/IECВ 1207. All data based on digital gas mixture H2 in N2 |
Measuring ranges | 4, internally and externally switchable; automatic measuring range switchover also possible |
Span | Application-dependent (see ordering data) |
Measuring ranges with suppressed zero point | Application-dependent (see ordering data) |
Operating position | Front wall, vertical |
Conformity | CE marking in accordance with EN 50081‑1/EN 50081‑2 and RoHS |
Design, enclosure | В |
Degree of protection | IP65 according to ENВ 60529 |
Weight | Approx. 25 kg |
Electrical characteristics | В |
EMC interference immunity (electromagnetic compatibility) | In accordance with standard requirements of NAMUR NE21 (08/98) and ENВ 61326 |
Electrical safety | In accordance with ENВ 61010-1; overvoltage category II |
Auxiliary power (see nameplate) | 100В VВ AC -10% ... 120В VВ ACВ +10%,
48В ...В 63В Hz or 200В VВ AC -10В %В ...В 240В VВ ACВ +10В %,
48В ...В 63В Hz |
Power consumption | - Approx.В 25В VA (gas connection block unheated)
- Approx.В 330В VA (gas connection block heated)
|
Fuse values (gas connection unheated) | 100В ...В 120 V F3 1T/250 F4 1T/250 200В ...В 240В V F3 0.63T/250 F4 0.63T/250 |
Fuse values (gas connection heated) | 100В ...В 120В V F1В 1T/250 F2 4T/250 F3 4T/250 F4 4T/250 200В ...В 240В V F1 0.63T/250 F2 2.5T/250 F3 2.5T/250 F4 2.5T/250 |
Gas inlet conditions | В |
Sample gas pressure | 800В ...В 1В 100В hPa (absolute) |
Sample gas flow | 30В ...В 90В l/h |
Sample gas temperature | Min. 0 to max. 50В В°C, but above the dew point |
Temperature | В |
- of the measuring cell (sensor)
| 70 ВєC |
- of the measurement cell block (base)
| 80 ВєC (heated) |
Sample gas humidity | < 90% relative humidity |
Purging gas pressure | В |
| 165В hPa above ambient pressure |
| Max. 250В hPa above ambient pressure |
Time response | The dynamic and measuring response refers to the measurement of H2 in N2 (based on the sample gas pressure 1В 000В hPa absolute, sample gas flow 0.5В l/min, and ambient temperature 25В В°C |
Warm-up period | <В 30В min at room temperature (the technical specification will be met after 2 hours) |
Delayed display (T90) | Approx. 35В s (including dead time) |
Electrical damping | 0В ...В 100В s, configurable |
Dead time (the diffusion to the probes is the determining variable) | Approx. 34В s |
Measuring response | The dynamic and measuring response refers to the measurement of H2 in N2 (based on the sample gas pressure 1В 000В hPa absolute, sample gas flow 0.5В l/min, and ambient temperature 25В В°C |
Output signal fluctuation
(3Пѓ value) | <В В±В 1% of the smallest possible span according to rating plate with electronic damping constant of 1В s |
Zero point drift | <В В±В 1% of the current span/week |
Measured-value drift | <В В±В 1% of the smallest possible span (according to rating plate)/week |
Repeatability | <В В±В 1% of the current span |
Detection limit | 1% of the smallest possible span according to rating plate |
Linearity error | <В В±В 1% of the current span |
Influencing variables | Based on sample gas pressure 1В 000В hPa absolute, 0.5 l/min sample gas flow and 25В В°C ambient temperature |
Ambient temperature | <В 2%/10В K referred to smallest possible span according to rating plate |
Accompanying gases | Deviation from zero point (for influence of interfering gas, see section "Cross-interference") |
Sample gas flow | 0.2% of the current measuring span with a change in flow of 0.1 l/min within the permissible flow range |
Sample gas pressure | <В 1% of the span with a change in pressure of 100В hPa |
Auxiliary power | <В 0.1% of the output signal span with rated voltage В±В 10% |
Electrical inputs and outputs | В |
Analog output | 0/2/4В ...В 20В mA, floating; load max. 750В О© |
Relay outputs | 6, with changeover contacts, freely configurable, e.g. for measuring range identification; load: 24В V AC/DC/1В A, floating |
Analog inputs | 2, dimensioned for 0/2/4 … 20 mA for external pressure sensor and correction of cross-interference |
Digital inputs | 6, designed for 24В V, floating, freely configurable, e.g. for measuring range switchover |
Serial interface | RSВ 485 |
Options | AUTOCAL function with 8 additional digital inputs and relay outputs, also with PROFIBUSВ PA (on request) or PROFIBUSВ DP (on request) |
Climatic conditions | В |
Permissible ambient temperature | -40В ...В +70В В°C during storage and transportation, 5В ...В 45В В°C in operation |
Permissible humidity (dew point must not be fallen below) | <В 90% relative humidity as annual average, during storage and transportation |
