1. General Data
Model: DT 30806-9 16/26
Type: Universal, Loop-Powered, 2-Wire
Series: TTH/TTL 300
Mounting: 35 mm DIN Rail (EN 60715)
Display: Integrated LCD with backlight (Model "16" indicates display version)
Communication: HART Protocol (FOUNDATION Fieldbus compatible), versions 5/6/7
2. Input Specifications
Sensor Types:
RTD: Pt100, Pt500, Pt1000 (to IEC 60751), Ni100, LG-Ni, Cu10, etc.
Thermocouple: Types J, K, T, N, E, R, S, B, L, U, C (to IEC 60584).
Ohms/mV: Linear resistance or millivolt input.
Sensor Connection:
RTD: 2-, 3-, or 4-wire connection (automatic lead resistance compensation for 3/4 wire).
Thermocouple: 2-wire connection (internal or external cold junction compensation).
3. Output & Power
Analog Output: 4-20 mA DC, two-wire.
Load Limit: Maximum loop resistance: Typically 750 Ω at 24 V DC (consult datasheet for full load curve).
Power Supply: 12 to 35 V DC (standard loop supply). Operation is dependent on total loop resistance.
4. Performance
Reference Accuracy (at 23°C ±5°C):
RTD (Pt100): Typically ±0.05% of span or ±0.03°C (whichever is greater).
Thermocouple: Typically ±0.1% of span or ±0.5°C (whichever is greater).
Note: Accuracy varies by sensor type and range. Refer to official data for exact values.
Temperature Coefficient: Typically < ±0.015% of span per 10°C.
Update Time: Configurable, typically < 500 ms.
Long-Term Stability: Typically < ±0.1% of span per year.
5. Ambient Conditions
Ambient Operating Temperature: -40°C to +85°C (-40°F to +185°F).
Storage Temperature: -50°C to +100°C.
Relative Humidity: 5% to 95%, non-condensing.
Electromagnetic Compatibility (EMC): Compliant with IEC/EN 61326.
Ingress Protection (IP): IP20 (terminal area - requires installation in an enclosure for protection).
Vibration / Shock: Compliant with IEC/EN 60068-2-6 / 60068-2-27.
6. Electrical & Mechanical
Terminals: Spring-clamp terminals.
Wiring: 0.2 - 2.5 mm² (AWG 24-12).
Electrical Isolation: Input to output to ground: Typically 500 V AC.
7. Certifications & Approvals (Typical)
The suffix "-9" often indicates a specific set of international approvals. This model is commonly certified for:
ATEX / IECEx: For use in Hazardous Areas (e.g., Ex ia IIC T4 Ga / Ex ia IIC T4 Gb).
cULus: Listed for Class I, Division 1, Groups A, B, C, D T4; or Class I, Zone 0, AEx/Ex ia IIC T4.
FM: Similar approvals for North America.
CE Marking: Compliant with EU directives.
SIL: Capable of supporting Safety Integrity Level (SIL 2) applications in accordance with IEC 61508.