AUTROL SMART TEMPERATURE TRANSMITTER, ATT2100-11170027, INPUT: RTD PT 100

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AUTROL SMART TEMPERATURE TRANSMITTER, ATT2100-11170027, INPUT: RTD PT 100

AUTROL ATT2100-11170027 Smart Temperature Transmitter – Specifications
General Description
The AUTROL ATT2100 is a microprocessor-based high-performance smart temperature transmitter featuring flexible sensor inputs, HART communication, and automatic compensation for ambient temperature and process parameters.
Sensor Inputs
Compatible Inputs:
RTD (Pt100): 2-wire, 3-wire, or 4-wire
Thermocouples: B, E, J, K, N, R, S, T
Millivolt: -10 to +75 mV
Ohm: 0–340 Ω

Sensor Configuration: User-selectable via HART handheld terminal or PC configurator software.

Output Signal
Analog Output: 4–20 mA DC (2-wire loop powered)
Communication: Digital HART protocol superimposed on 4–20 mA output
Isolation: Input/output isolated to 500 Vrms (707 V DC)
Performance Specifications
Accuracy:RTD (Pt100): ±0.17 °C or ±0.03% of span, whichever greater
Thermocouple (varies by type): Type K: ±0.35 °C
Type J: ±0.25 °C, others vary (B, R, S, T, etc.)

Repeatability: ±0.05% of span
Long-term Stability: ±0.12% of reading or ±0.15 °C for RTDs (24 months), thermocouples (12 months)
D/A Effect: ±0.03% of span maximum
Response Time (update rate): 0.5 seconds
Electrical Specifications
Power Supply:
Voltage Range: 12–45 V DC (nominal 24 V DC ±30%)
Minimum Voltage: 17.5 V DC required for 250 Ω load
Maximum Loop Resistance: (Supply Voltage – 12 V) / 0.022 A

Failure Modes (Programmable):
Fail High: ≥21.75 mA
Fail Low: ≤3.75 mA

Environmental Specifications
Operating Ambient Temperature: -30 °C to +80 °C
Storage Temperature: -40 °C to 85 °C
Humidity Limits: 5%–100% RH (non-condensing)
Ambient Temperature Effect: ±0.05% of span per 10 °C change in ambient temperature
Electrical and Mechanical Specifications
Power Supply Effect: ±0.005% of span per volt
Housing Material: Epoxy-coated aluminum standard (optional stainless steel)
Ingress Protection: Waterproof housing rated IP67
Process Connection: ½-inch NPT (standard), G1/2 optional
Electrical Connections: Two conduit entries, ½-inch NPT or G1/2
Weight: < 1.2 kg
Mounting: 2-inch pipe mounting bracket (angled or flat available)
O-Rings: Buna-N standard
Certifications
Explosion-proof and Intrinsic Safety Approvals:ATEX: Ex d IIC T6, T5, T4
FM & FM Canada: Explosion-proof Class I Division 1, Groups A-G
KCs/KOSHA (Korea)

Marine Certifications: ABS, LR, DNV-GL, Bureau Veritas (BV)
EMC Compliance: CE standards EN50081-2, EN50082-2
Safety Integrity Level (SIL): SIL 2 compliance per IEC 61508
Display & Local Interface
LCD Indicator: Provides local temperature reading, diagnostics, and loop current readout.
Local Calibration: Calibration via HART protocol (no external push buttons).

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