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MacView Eex-d gassensor

MacView Eex-d gassensor

MacView Eex-d gassensor Unit

The MACView® EEx-d is also obtainable in explosionsafe form: the MACView®-EEx-d. In this design, the MACView® EEx-d may be placed in an environment with explosion risk.

For this purpose, EMS has got testing according to the latest ATEX specifications. The sensor is EEx-i tested for temperature class T4. The housing is designed in a combination of flameproof enclosure (EEx-d) and increased safety housing (EEx-e). All functionality built in the standard version of the MACView® EEx-d, is also implemented in the explosion safe version. For example, in the EEx-d version are also pushbuttons, in the increased safety housing, for controlling and adjusting.

EEx-proof
A probe is connected to the MACView® EEx-d, which can be used in area 0. This probe is proved EEx [ia] IIC T4 with ATEX certificate. The housing of the MACView® EEx-d is approved for use in explosion hazardous areas with proof of EEx-de IIC T6 according to CENELEC EN 50014, EN 50018, EN 50019 and EN 50020.

The MACView® EEx-d displays the measured values in ppm (parts per million) on the display. By this, these values are direct compareable with the MAC-value (Maximum Allowed Concentration). When this MAC-value is exceeded it is possible to act immediately.

MaterialProbes made of highgrade stainless steel
Warming-up time140 seconds
Short-term stability/td>± 2%
Long-term stability± 4%
DisplayBright LCD-display with back-light, optional is a vacuum fluorescent display
Speed of the microcontrollerup to 20 MHz
Inputs/ outputs- 4 isolated digital inputs
- 6 isolated digital outputs (NO or NC)
- 2 analog outputs
- 4-20mA, 0-20mA, 4-24mA, 0-24mA, 0-2.5V, 0-5V or 0-10V
Dimensions510 x 310 x 166mm
Protection classification housingIP65 epoxy coated
ApprovalATEX concerning to EEx-de IIC T6 concerning to CENELEC EN 50014, EN 50018, EN 50019 and EN 50020
Interface ConnectionsRS485 or RS232, with optional interface for fiber optic cable
Expanded Features High sensitivity and fast reaction, Temperature compensated probe, Extra inputs and outputs are optional, 16 bits accuracy, External +5V and +12V for external sensors, E2prom and RAM with back-up battery, Internal 24 hour clock, Optional monitoring software and alarming, Calibration-certificate included