The SmartLine STT850 temperature transmitters offer the following features:
- Digital accuracy up to 0.1°C for RTD
- Stability up to 0.01% of URL per year for ten years
- 130 ms update time
- Sensor matching facility for higher accuracy
- Built-in digital output option
- Sensor health trend through advanced display
- Full compliance with SIL 2/3 requirements
- Lifetime 15-year warranty.
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Processing & Performance Metrics
- Accuracy
- Digital: up to ±0.1 deg C; Output D/A: ±0.005% of span (Pt100)
I/O Capabilities
- Update Time
- 125 ms (Single Input), 250 ms (Dual Input)
- Galvanic Isolation
- 2000 VDC (1400 Vrms)
- Configuration
- Integral Three-Button, Handheld (Versatilis, HART, DE), PC (SCT 3000, Field Device Manager, FDM Express)
Electrical Specifications
- Supply Voltage
- DE: 13.8 to 42.4 VDC
- FF: 9 to 32 VDC
- HART: 11.8 to 42.4 VDC (IS limited to 30 VDC)
- Output Options
- 4 to 20 mA DC, HART® (v7.0), Honeywell Digitally Enhanced (DE), FOUNDATION™ Fieldbus
- Input Type
- RTD (2, 3, 4 wire), Thermocouple, Millivolt, Ohm voltage direct current
Environmental Conditions
- Stability
- ±0.01% of URL/year for 10 years
- Relative Humidity
- 0 to 100% RH
- Operating Temperature Range
- -40 to 85 deg C
- Load Resistance
- DE: 0 to 1300 Ω
- FF: 0 to 1400 Ω
- HART: 0 to 1400 Ω
- Ambient Temperature Range
- -40 to +85 deg C (-40 to +185 deg F) Rated, -55 to +120 deg C (-67 to +248 deg F) Storage
Applications & Compatibility
- Mounting
- Wall, Pipe, DIN Rail, Direct Sensor Head
Material Specifications
- Housing Material
- Aluminum or 316 Stainless Steel, IP66/IP67, Type 4X
Mechanical & Physical Properties
- Enclosure
- IP66, IP67 (NEMA 4X)
Software & Interface
- Display
- Modular LCD (basic or advanced), 2 lines, 6 digits, Field Configurable, Multiple Units ( deg C, deg F, deg R, Kelvin, mV, Ohm)
Standards & Certifications
- Approvals
- SIL 2/3: IEC 61508, EMC: (EN 61326-1, EN 61326-3-1), Marine: (ABS, DNV, LR, BV), Explosion Proof and Intrinsic Safety: (FM, CSA, ATEX, IECEx, NEPSI, KOSHA, INMETRO, SAEx, EAC, CCoE)
