B3FT-1 THERMOCOUPLE TRANSMITTER

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B3FT-1 THERMOCOUPLE TRANSMITTER
(field-configurable)

Functions & Features
• Converts a thermocouple input into an isolated, linearized 4 – 20 mA DC signal
• DIP switch configurable input range
• Cold junction compensation, linearization and burnout
• Monitor terminals
• High-density mounting

MODEL: B3FT–[1][2]

ORDERING INFORMATION
• Code number: B3FT-[1][2]
Specify a code from below for each [1] and [2].
  (e.g. B3FT-1/UL/Q)
• Input range (e.g. J 0 – 400°C)
• If you need the transmitter to be calibrated to a specific range, please specify when ordering.
Non-specified orders will be shipped at default factory setting (K 0 – 300°C or E 0 – 250°C).
• Specify the specification for option code /Q
  (e.g. /C01)

[1] INPUT THERMOCOUPLE
1: K (CA), J (IC), T (CC)
2: E (CRC), R, N

[2] OPTIONS (multiple selections)
Standards & Approvals
blank: CE marking
/UL: UL approval, CE marking
Other Options
blank: none
/Q: Option other than the above (specify the specification)

SPECIFICATIONS OF OPTION: Q
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
/C02: Polyurethane coating
/C03: Rubber coating (UL not available)

GENERAL SPECIFICATIONS
Construction: Small-sized front terminal structure
Connection: Euro type connector terminal
(applicable wire size: 0.2 to 2.5 mm2, stripped length 8 mm)
Housing material: Flame-resistant resin (gray)
Isolation: Input to output
Burnout: Upscale (default), downscale or no burnout selectable
Linearization: Standard
Cold junction compensation: CJC sensor attached to the
input terminals
Configuration: DIP switch
Setting:
• Input Type
• Input Range
• Burnout
• Others
Refer to the instruction manual for details.

INPUT SPECIFICATIONS
Input resistance: 20 kΩ min.
Burnout sensing: 0.1 μA

OUTPUT SPECIFICATIONS
Output: 4 – 20 mA DC
Load resistance vs. supply voltage:
Load Resistance (Ω) = (Supply Voltage (V) – 12 (V)) ÷ 0.02 (A)     (including leadwire resistance)

INSTALLATION
Supply voltage: 12 – 45 V DC
Operating temperature:
-40 to +85°C (-40 to +185°F)
Max. 55°C (131°F) for UL approval
Operating humidity: 0 to 95 %RH (non-condensing)
Mounting: DIN rail
Weight: 80 g (2.8 oz)

PERFORMANCE in percentage of span
Accuracy
  K, J: ±0.2 % of FS or ±0.3°C (±0.54°F), whichever is greater.
  T, E, N: ±0.3 % of FS or ±0.4°C (±0.72°F), whichever is greater.
  R: ±0.4 % of FS at ≥ 400°C or 752°F
Cold junction compensation error: ±0.5°C or ±0.9°F maximum for 0 – 55°C (32 – 131°F);
±2°C or ±3.6°F maximum for -40 – +85°C (-40 – +185°F)
Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Burnout response: ≤ 10 sec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 2000 V AC @1 minute
(input to output to ground)

STANDARDS & APPROVALS
EU conformity:
EMC Directive 
  EMI EN 61000-6-4
  EMS EN 61000-6-2
RoHS Directive
  EN 50581
Approval:
UL/C-UL general safety requirements
  (UL 61010-1, CAN/CSA-C22.2 No.1010-1)

EXTERNAL VIEW

EXTERNAL DIMENSIONS unit: mm (inch)

TERMINAL ASSIGNMENTS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

M-System Việt Nam

Email: Sales@m-system.com.vn

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