19 rack unit

Заказные данные
(1)
Аксессуары
(7)

Информационные материалы

Чертеж

CALOMAT 6, 19“ unit, dimensions in mm

Схема подключения

Pin assignment (electrical and gas connections)

CALOMAT 6, 19“ unit, pin assignment

CALOMAT 6, 19“ unit, pin assignment of AUTOCAL board and PROFIBUS connectors

CALOMAT 6, 19“ unit, gas and electrical connections

Технические данные

General information	Based on DIN EN 61207 / IEC 1207. All data based on digital gas mixture H₂ in N₂
Measuring ranges	4, internally and externally switchable; automatic measuring range switchover also possible
Largest possible measuring span	100 vol.% H₂(for smallest measuring span, see "Function")
Measuring ranges with suppressed zero point	Any zero point within 0 ... 100 vol.% can be implemented, smallest possible measuring span: 5 % H₂
Operating position	Front wall, vertical
Conformity	CE mark in accordance with EN 61326/A1 and EN 61010/1
Design, enclosure
Degree of protection	IP20 according to EN 60529
Weight	Approx. 10 kg
Electrical characteristics
EMC interference immunity (electromagnetic compatibility) All signal lines must be shielded. Measured value deviations of up to 4 % of the smallest measuring range may occur in ranges with strong electromagnetic interference.	In accordance with standard requirements of NAMUR NE21 (08/98)
Electrical safety	In accordance with EN 61010-1; overvoltage category II
Auxiliary power (see nameplate)	100 V -10% ... 120 V +10% AC, 48 ... 63 Hz or 200 V -10% ... 240 V +10% AC, 48 ... 63 Hz
Power consumption	Approx. 20 VA
Fuse values	100 to 120 V: 1.0T/250 200 ... 240 V: 0.63 T/250
Gas inlet conditions
Sample gas pressure	800 ... 1 100 hPa (absolute)
Sample gas flow	30 ... 90 l/h (0.5 ... 1.5 l/min)
Sample gas temperature	Min. 0 to max. 50 °C, but above the dew point
Temperature of the measuring cell	Approx. 60 ºC
Sample gas humidity	< 90% relative humidity
Dynamic response
Warm-up period	< 30 min (the technical specification will be met after 2 hours)
Delayed display (T₉₀)	< 5 s
Damping (electrical time constant)	0 ... 100 s, configurable
Dead time (purging time of the gas path in the unit at 1 l/min)	Approx. 0.5 s
Measuring response	Based on sample gas pressure 1 013 hPa absolute, 0.5 l/min sample gas flow and 25 °C ambient temperature
Output signal fluctuation	< ± 0.75 % of the smallest possible measuring range according to rating plate, with electronic damping constant of 1 s (σ = 0.25%)
Zero point drift	< ± 1 %/week of the smallest possible measuring span according to rating plate
Measured-value drift	< ± 1 %/week of the smallest possible measuring span according to rating plate
Repeatability	< 1 % of the current measuring range
Detection limit	1 % of the current measuring range
Linearity error	< ± 1 % of the current measuring range
Influencing variables	Based on sample gas pressure 1 013 hPa absolute, 0.5 l/min sample gas flow and 25 °C ambient temperature
Ambient temperature	< 1%/10 K referred to smallest possible measuring span according to rating plate
Accompanying gases	Deviation from zero point (for influence of interfering gas see paragraph titled "Interference influences")
Sample gas flow	< 0.2 % of the smallest possible span according to rating plate with a change in flow of 0.1 l/min within the permissible flow range
Sample gas pressure	< 1 % of the current measuring range with a pressure change of 100 hPa
Auxiliary power	< 0.1% of the current measuring range with rated voltage ± 10%
Electrical inputs and outputs
Analog output	0/2/4 ... 20 mA, floating; load max. 750 Ω
Relay outputs	6, with changeover contacts, freely parameterizable, e.g. for measuring range identification; load: 24 V AC/DC/1 A, isolated
Analog inputs	2, dimensioned for 0/2/4 … 20 mA for external pressure sensor and correction of cross-interference
Digital inputs	6, designed for 24 V, isolated, freely parameterizable, e.g. for measurement range switchover
Serial interface	RS 485
Options	AUTOCAL function with 8 additional digital inputs and relay outputs each, also with PROFIBUS PA or PROFIBUS DP
Climatic conditions
Permissible ambient temperature	-30 … +70 °C during storage and transportation, 5 … 45 °C during operation
Permissible humidity (dew point must not be fallen below)	< 90% relative humidity as annual average, during storage and transportation