Jaquet Speed Sensor DSF 1210.00 SHV Ex-Atex (5m) (MPN: 374Z-05176)

Jaquet DSF 1210.00 SHV Ex ATEX - Premium Industrial Hall Effect Speed Sensor

The Jaquet DSF 1210.00 SHV Ex ATEX (374Z-05176) is a premium intrinsically safe Hall-effect speed sensor certified for use in explosive atmospheres. Featuring an M12x1 housing with 5m Teflon cable, this sensor generates speed-proportional frequency signals from 0.05 Hz with dynamic behavior for both static and near-static applications. ATEX certified for flammable gas and dust environments, it combines compact design with robust performance for hazardous area monitoring.

Technical Specifications

• Model: DSF 1210.00 SHV Ex ATEX (5m)
• Part Number: 374Z-05176
• Drawing Number: 110428F1
• Housing: M12x1 thread, stainless steel X12CrNiS188 (material 1.4305)
• Sensing Technology: Magnetically biased Hall device with trigger amplifier
• Supply Voltage: 8-28 VDC (reverse polarity protected, max AC ripple 25 mVpp)
• Current Consumption: Max 15 mA (without load)
• Frequency Range: 0.05 Hz to 20 kHz (dynamic behavior with guaranteed pulse generation down to 0.05 Hz)
• Maximum Tightening Torque: 12 Nm for M12x1

ATEX Certifications

• Gas Atmospheres: II 2 G Ex ia IIC T6 Gb (Zone 1)
• Dust Atmospheres: II 2 D Ex ia IIIC T155°C Db (Zone 21)
• Standards Compliance: EN 60079-0:2012+A11:2013 and EN 60079-11:2012
• Certificate: ZELM 03 ATEX 0124X (with supplements 1-4)
• EMC Compliance: 2014/30/EU, IEC 61000-6-2
• Notified Body: PRIMARA (ID 2572)

Operating Temperature

• Gas Environments: -20°C to variable maximum (dependent on electrical power and temperature class - see datasheet TABLE 1)
• Dust Environments: -20°C to +100°C
• Temperature Class: T1 through T6 supported (varies with available electrical power)
• Note: Maximum operating temperature depends on sensor housing size, available electrical power from intrinsically safe supply, and Ex temperature class requirements

Signal Output

• Signal Type: Square wave from push-pull output stage
• Signal Coupling: DC-coupled to supply (0V = reference voltage)
• Maximum Load Current: 25 mA
• Output Voltage HIGH: UHi > USupply - 4V (at Isource = 25 mA)
• Output Voltage LOW: ULo < 2V (at Isink = 25 mA)
• Protection: Short-circuit proof and reverse polarity protected
• Note: Voltage drop from cable impedance and safety barrier resistance must be considered

Cable Specifications

• Cable Type: Teflon cable (Art. No. 824L-35053)
• Cable Length: 5 meters
• Conductors: 4-pole, 4 x 0.24 mm² (AWG 24)
• Shielding: Mesh screen, isolated from housing
• Outer Diameter: Max 4.0 mm
• Outer Jacket: White
• Minimum Bend Radius: 60 mm
• Weight: 32 g/m
• Note: Brown wire is not used

Target Wheel Requirements

• Material: Magnetically permeable material (e.g., Steel 1.0036)
• Preferred Type: Involute gear wheel (module 0.5 minimum)
• Minimum Tooth Width: 10 mm
• Side Offset: < 0.2 mm
• Eccentricity: < 0.2 mm

Air Gap Specifications

• Module 1: 0.2 to 1.0 mm
• Module 2: 0.2 to 2.5 mm
• Module 3: 0.2 to 3.5 mm
• Module 4 and larger: 0.2 to 4.5 mm
• Note: Within specified air gap, output signal amplitude is not influenced by gap distance

Environmental Protection

• Protection Class: IP68 (sensor head), IP67 (cable connection)
• Housing Seal: Front side hermetically sealed
• Potting: Electronic components fully potted in chemical and age-resistant ceramic compound
• Chemical Resistance: Resistant to oil, grease, and harsh industrial conditions
• Vibration Immunity: 5 gn in the range 5-2000 Hz
• Shock Immunity: 20 g during 20 ms, half-sine wave
• Electrical Isolation: Housing, cable screen, and electronics galvanically separated (500V/50Hz/1 min)

Key Features

• ATEX Certified: Approved for Zone 1 gas and Zone 21 dust hazardous areas
• Near-Zero Speed Detection: Guaranteed pulse generation down to 0.05 Hz for static applications
• Dynamic Behavior: Suitable for variable speed applications
• Compact M12x1 Design: Space-saving installation in tight locations
• High-Quality Cable: Teflon insulation for chemical and temperature resistance
• Intrinsically Safe: Type ia certification for maximum safety in explosive atmospheres
• No Maintenance Required: Sealed, non-serviceable design for long-term reliability

Applications

Ideal for speed monitoring in explosive atmospheres including:

• Oil and gas production and processing facilities
• Chemical and petrochemical plants
• Paint and solvent production areas
• Pharmaceutical manufacturing in classified areas
• Grain handling and milling operations
• Mining equipment in flammable atmospheres
• Turbomachinery in hazardous zones
• Any Zone 1 (gas) or Zone 21 (dust) classified location

Installation Requirements

• Mounting: Solid and vibration-free mounting essential
• Alignment: Sensor must be aligned to pole wheel according to sensor drawing
• Positioning: Mount with middle of face over middle of pole wheel; minimum 3mm from wheel edge
• Air Gap: Set smallest possible gap without risk of contact during operation
• Cable Routing: Keep sensor wires away from large electrical machines; do not run parallel to power cables
• Safety Barriers: Must be connected through appropriate Zener barriers for intrinsically safe operation
• Shield Connection: Cable shield must be connected to 0V on equipment side

Safety Notice

• Usage Condition: Sensor must be used in undamaged and clean condition only
• Modifications: Modifications prohibited unless expressly listed in operating instructions
• Cable Limitations: Permissible cable length and capacitance/inductance limits per Certificate supplement must be observed
• Temperature Monitoring: Surface temperature must not exceed 2/3 of dust/air mixture ignition temperature where dust clouds present
• CE Directives: Installation must comply with CE directives for explosive environment apparatus

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