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

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.

• 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.

• 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)

• 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

• 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

• 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

• 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

• 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

• LCD Indicator: Provides local temperature reading, diagnostics, and loop current readout.
• Local Calibration: Calibration via HART protocol (no external push buttons).