MODEL: 27TS

27TS SPECIFICATIONS

ES-7655 Rev.8 Page 1/3

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

Head-mounted Two-wire Signal Conditioners

27-UNIT

THERMOCOUPLE TRANSMITTER

(PC programmable)

Functions & Features

• Accepts direct input from a thermocouple and provides a

standard 4 – 20mA DC signal

• Suitable for Functional Safety applications up to SIL2

• I/O range programming via PC Configurator

• User’s temperature table can be used

• Self diagnostics

• Low temperature drift

• CE marking (conforms to ATEX and EMC)

44 (1.73) DIA.

20.7

(.81)

mm (inch)

MODEL: 27TS–[1]

ORDERING INFORMATION

• Code number: 27TS-[1]

Specify a code from below for [1].

(e.g. 27TS-0)

Use Ordering Information Sheet (No. ESU-7655). Factory

standard setting will be used if not otherwise specified.

Specify the country in which the product is to be used with

the Safety Approval code 2.

[1] SAFETY APPROVAL

0: None

1: FM intrinsically safe

2: ATEX intrinsic safety

RELATED PRODUCTS

• USB interface Bell202 modem (model: COP-HU)

Usable in ‘non-hazardous’ area only.

• PC configurator software (model: 27MCFG)

Downloadable at M-System’s web site.

GENERAL SPECIFICATIONS

Construction: Sensor head-mounting

Connection: M3 screw terminals (torque 0.5 N·m)

Screw terminal: Nickel-plated brass

Housing material: Flame-resistant resin (black)

Isolation: Input to output

Cold Junction Compensation: CJC sensor incorporated

Self diagnostics: Detects internal error, burnout

User-configurable items: PC and the transmitter are

connected with the COP-HU.

• Input sensor type

• Input range

• Burnout

• Output limits (Upper / Lower)

• Damping time (factory set to 0)

• Linearization

• Output calibration

• Loop test output

INPUT SPECIFICATIONS

The input type is factory-set to K thermocouple, and the

input range to 0 to 100°C.

See Table 1 for the available input type, the minimum span,

and the maximum range.

Input resistance: 1 MΩ min.

*1. ±2°C

(3.6°F) for the range 400 – 850°C (752 – 1562°F)

*2. ±2°

C (3.6°F) for the range -50 – +100°C (-58 – +212°F)

■ THERMOCOUPLE

Input resistance: ≥ 1 MΩ

Temperature range

Table 1

THERMOCOUPLE

°C

±0.5

±0.9

±0.5

±0.9

±0.5

±0.9

±0.5

±0.9

±1

±1.8

±1

±1.8

K (CA)

E (CRC)

J (IC)

T (CC)

B (RH)

R

-180 to +1372

-292 to +2501

-100 to +1000

-148 to +1832

-100 to +1200

-148 to +2192

-200 to +400

-328 to +752

400 to 1820

752 to 3308

-50 to +1760

-58 to +3200

ACCURACY

MIN. SPAN USABLE RANGE

°F

50

90

°C

°F

50

90

°C

°F

50

90

°C

°F

50

90

°C

°F

100

180

°C

°F

100

180

°C

±1

±1.8

±1

±1.8

±1

±1.8

±0.5

±0.9

±0.5

±0.9

±0.5

±0.9

S

C (WRe 5-26)

D (WRe 3-25)

N

U

L

-50 to +1760

-58 to +3200

0 to 2300

32 to 4172

0 to 2300

32 to 4172

-180 to +1300

-292 to +2372

-200 to +600

-328 to +1112

-100 to +900

-148 to +1652

°F

100

180

°C

°F

100

180

°C

°F

100

180

°C

°F

50

90

°C

°F

50

90

°C

°F

50

90

*2

*1

*1

*2

*2

*2