Ex (ATEX)

• Point level measurement via floats and reed contact
• For liquid media unaffected by foam formation, conductivity (permittivity), or pressure ratios
• Temperature range from -52 to +240 °C
• Available in numerous versions
• Approvals and certificates are available for explosion protection, shipbuilding, railway applications, and the Water Resources Act (WHG) as well as a certification for the Pressure Equipment Directive (PED)

• Zone separation 0/1 or 20/21
• As screw-in sleeve or weld-in sleeve
• Insertion lengths 100, 150, 200, and 300 mm available directly from the factory
• Special lengths are available upon request

• HART® interface
• Ex d explosion protection according to ATEX, GOST-R
• Linearity 0.07 %
• Turn down: 1:200
• Simple operation with rotary knob
• Characteristic line and display also adjustable for flow measurement

• HART® interface
• [Ex d] explosion protection according to ATEX, GOST-R
• Linearity: 0.05 %
• Turn down: 1:50
• Simple operation with rotary knob

• ATEX approval
• Measuring ranges from 0.25 to 100 bar relative and absolute pressure version
• Medium temperature: -40 to +85 °C
• Accuracy: as of 0.3 % MSP

• Can be directly applied in zones 1 and 2 or 21 and 22
• Switching capacity 16 A as standard, optionally 25 A
• Admissible ambient temperature: -60 to +70 °C
• Thermowell for zone 0 available as an accessory
• Single thermostat and double thermostat

• Ignition protection type [Ex ia] with intrinsically safe inputs or [Ex e] with increased safety
• Approval II (1) (2) (3) G (b1) [Ex ia Ga] (e pz] IIC, II (1) (2) (3) D (b1) [Ex ia Da] (p Dc] IIIC, II (1) (1) (2) G (b2) [Ex ia Ga] (e py] IIC, II (1) (1) (2) D (b2) [Ex ia Da] (p DB] IIIC
• Safety monitor and safety limiter for temperature, pressure, and other process variables
• Configurable universal input
• 1oo2D architecture (2-channel structure with diagnostics channel)
• Approvals according to DIN EN 14597, SIL 3, PL e
• Security-related limit value relay (230 V, 3 A)
• Pre-alarm absolute or adjustable as a margin from the limit value
• Default actual value output
• Compact solution
• Ignition source monitoring according to EN 13463 and EN 50495 SIL 2
• Minimum pressure monitoring SIL 2

• 2 universal measurement inputs (RTD, TC, Ω, mV)
• High degree of accuracy (0.1 K with Pt100 sensor)
• Output 4 to 20 mA (single channel, loop powered)
• 2 enclosure versions (B-head or DIN rail)
• HART® 7 protocol
• SIL 2/3 hardware/software according to IEC 61 508
• Reliable measurement mode through sensor monitoring and device hardware error detection
• Optional plug-on display for B-head device version

• For temperatures from -200 to +600 °C
• With protection tubes made of stainless steel, titanium, tantalum, Inconel®, and HASTELLOY®
• Available with two-wire transmitter (4 to 20 mA/HART®) in Ex version
• II 1/2 G Ex ia IIC T6 ... T1 Ga/Gb¹
• II 1/2 D Ex ia IIIC T80 ... T400 °C Da/Db¹
• II 1/2 G Ex ia/d IIC T6 ... T1 Ga/Gb¹
• II 1/2 D Ex ia/tb IIIC T80 ... T400 °C¹
• With interchangeable measuring insert (not for Ex basic types)

¹ See description

• For stationary and mobile measurements
• Measuring ranges: -30 to +260 °C or -200 to +600 °C
• Radio frequency: 868.4 MHz or 915 MHz
• Also available with ATEX approval
• Open air range up to 300 m
• Configurable transmission interval (1 to 3600 s)