MODEL: B3FT

B3FT SPECIFICATIONS

ES-7512 Rev.10 Page 2/4

https://www.m-system.co.jp/

INPUT SPECIFICATIONS

Input resistance: 20 kΩ min.

Burnout sensing: 0.1 μA

K, J, T thermocouple, Celsius

T/C

UPPER RANGE

LOWER RANGE

MIN. SPAN

(usable range)

K(CA)

-18 to +300°C

-18 to +190°C

75°C

-18 to +1370°C

-18 to +850°C

300°C

J (IC)

-18 to +300°C

-18 to +190°C

70°C

-18 to +1200°C

-18 to +750°C

300°C

T (CC)

-18 to +150°C

-18 to +75°C

75°C

-18 to +400°C

-18 to +250°C

150°C

K, J, T thermocouple, Fahrenheit

T/C

UPPER RANGE

LOWER RANGE

MIN. SPAN

(usable range)

K(CA)

0 to 572°F

0 to 374°F

135°F

0 to 2498°F

0 to 1562°F

540°F

J (IC)

0 to 572°F

0 to 374°F

126°F

0 to 2192°F

0 to 1382°F

540°F

T (CC)

0 to 302°F

0 to 167°F

135°F

0 to 752°F

0 to 482°F

270°F

E, R, N thermocouple, Celsius

T/C

UPPER RANGE

LOWER RANGE

MIN. SPAN

(usable range)

E (CRC)

-18 to +250°C

-18 to +120°C

60°C

-18 to +1000°C

-18 to +600°C

250°C

R

-18 to +700°C

-18 to +340°C

360°C

-18 to +1760°C

-18 to +1060°C

700°C

N

-18 to +400°C

-18 to +250°C

110°C

-18 to +1300°C

-18 to +800°C

400°C

E, R, N thermocouple, Fahrenheit

T/C

UPPER RANGE

LOWER RANGE

MIN. SPAN

(usable range)

E (CRC)

0 to 482°F

0 to 248°F

108°F

0 to 1832°F

0 to 1112°F

450°F

R

0 to 1292°F

0 to 644°F

648°F

0 to 3200°F

0 to 1940°F

1260°F

N

0 to 752°F

0 to 482°F

198°F

0 to 2372°F

0 to 1472°F

720°F

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)

10 12

20

30

40

45

0

200

400

600

800

1000

1200

1400

1600

1650

SUPPLY VOLTAGE [V ]

(600Ω maximum at 24V DC)

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

Approval:

UL/C-UL general safety requirements

(UL 61010-1, CAN/CSA-C22.2 No.1010-1)