AUTROL SMART TEMPERATURE TRANSMITTER, ATT2100-S1F1-M1 , INPUT: RTD PT 100

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AUTROL SMART TEMPERATURE TRANSMITTER, ATT2100-S1F1-M1 , INPUT: RTD PT 100

The AUTROL ATT2100 is a microprocessor-based, high-performance smart temperature transmitter providing precise temperature measurement and digital communication through the HART protocol. This specific model (ATT2100-S1F1-M1) is configured for a single RTD PT100 input, explosion-proof aluminum housing, standard ½-inch NPT connection, flameproof approval (FM & FM Canada), and includes an LCD indicator.
Sensor Input
Sensor Type: Single element RTD PT100 (2-wire, 3-wire, or 4-wire selectable)
RTD Reference Standard: Pt-100, α = 0.00385 (IEC/JIS/DIN)
Measurement Range: -200°C to +650°C
Minimum Span: 15°C
Digital Accuracy: ±0.17°C or ±0.03% of span, whichever greater
D/A Conversion Accuracy: ±0.03% of span maximum
Repeatability: ±0.05% of span
Long-Term Stability: ±0.12% of reading or ±0.15°C (whichever greater, over 24 months)
Ambient Temperature Effect: ±0.05% of span per 10°C ambient temperature change
Output Specifications
Analog Output: Two-wire, 4–20 mA DC
Digital Communication: HART protocol (version 5/7)
Isolation: Input/output isolated at 500 Vrms (707 V DC)
Failure Mode (Programmable):Fail High: ≥21.75 mA
Fail Low: ≤3.75 mA

Electrical Specifications
Power Supply Requirements:Voltage Range: 12–45 V DC (24 V DC ±30% nominal)
Loop Load: 250–550 Ω for HART communication
Minimum Voltage: 17.5 V DC at 250 Ω load
Maximum Loop Resistance Calculation: (Supply Voltage – 12 V) / 0.022 A

Power Supply Effect: ±0.005% of span per volt change
Update Rate (Measurement refresh): 0.5 seconds
Startup Time: Approximately 5 seconds
Environmental Specifications
Operating Ambient Temperature:With LCD Display (M1 option): -30°C to +80°C
Without condensation

Storage Temperature: -40°C to +85°C (without condensation)
Humidity: 5% to 100% relative humidity (non-condensing)
Ingress Protection: IP67 waterproof rating
Housing & Mechanical Specifications
Housing Material: Epoxy-coated, low-copper aluminum (explosion-proof, IP67)
Process Connection: Standard ½-inch NPT
Electrical Connection: Dual conduit entry (½-inch NPT)
Mounting: Includes bracket for 2-inch pipe mounting (standard angle or flat available)
O-Rings Material: Buna-N
Weight: Less than 1.2 kg (excluding additional options)
LCD Display (Option M1 Included)
Provides local indication of measured temperature, loop current, and diagnostics.
3-line digital indicator with engineering units.
Certifications & Compliance
Hazardous Location Certification (F1 code specified):FM & FM Canada: Explosion-proof Class I, Division 1, Groups A, B, C, and D
Dust-ignition proof Class II, Division 1, Groups E, F, G
Non-incendive Class I, Division 2, Groups A, B, C & D; Class II, Division 2, Groups E, F & G; Class III, Division 1
Enclosure: NEMA Type 4X rated for indoor and outdoor use

Marine Approvals: ABS, LR, DNV-GL, Bureau Veritas (BV)
EMC Compliance: CE EMC standards EN50081-2, EN50082-2
Safety Integrity Level: SIL 2 compliant (IEC 61508 standard)
Key Features
High-performance smart transmitter with microprocessor control
Automatic linearization and ambient temperature compensation
Continuous self-diagnostic capability
User-configurable via HART communicator or PC software
EEPROM memory for secure storage of sensor data and configuration
Flameproof and explosion-proof design for hazardous area usage

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