MODEL: 27R

27R SPECIFICATIONS

ES-7654 Rev.9 Page 2/4

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

20 – 21.5 mA (factory set to 21.5 mA)

Lower output limit proportional to the input:

3.8 – 4 mA (factory set to 3.8 mA)

Update time: 440 msec.

INSTALLATION

Supply voltage

• 9 – 35 V DC (non-approved)

• 9 – 28 V DC (approved)

Operating temperature: -40 to +85°C (-40 to +185°F)

(See Safety Parameters for use in a hazardous location.)

Operating humidity: 0 to 95 %RH (non-condensing)

Mounting: Head-mounting (DIN type B head)

Weight: 50 g (1.76 oz)

PERFORMANCE

Accuracy: ±0.15°C (±0.27°F), ±0.075 % of span or

±0.075 % of max. range, whichever is greater

(max. range = 0 % or 100 % value, absolute value of

whichever is greater.)

Temp. coefficient: 0.0075 %/°C (0.004 %/°F) of max. range

(max. range = 0 % or 100 % value, absolute value of

whichever is greater.)

Response time: ≤ 1 sec. (2- or 3-wire; 0 – 90 %) or

≤ 2 sec. (4-wire; 0 – 90 %) with damping time set to 0

Burnout response time: ≤ 2 sec.

Supply voltage effect: ±0.01 % of span/V

Safety integrity level according to IEC 61508: Suitable for

use in a safety instrumented system up to SIL2 (together

with sensor) if appropriate safety instructions are observed.

Consult M-System.

STANDARDS & APPROVALS

EU conformity:

ATEX Directive

Ex ia EN 60079-11

EMC Directive

EMI EN 61000-6-4

EMS EN 61000-6-2

RoHS Directive

EN 50581

Safety approval:

FM: Intrinsically safe

Class I, Division 1, Groups A, B, C and D

Class I, Zone 0, AEx ia IIC (US)

Class I, Zone 0, Ex ia IIC (Canada)

T4, T5 and T6

(Class 3610, ANSI/ISA 60079-11,

CAN/CSA-C22.2 No. 157,

CAN/CSA-C22.2 No. 60079-11)

ATEX: Intrinsic safety

II 1G, Ex ia IIC; T4, T5 and T6

(EN 60079-0)

(EN 60079-11)

SAFETY PARAMETERS

Operating temperature

For ATEX / FM:

T4: -40 to +80°C

T5: -40 to +60°C

T6: -40 to +45°C

Ex-data:

• Output circuit

Ui (Vmax): 30 V DC

Ii (Imax): 96 mA DC

Pi (Pmax): 720 mW

Ci: 1 nF

Li: 0 mH

• Sensor circuit

Uo (Voc): 30 V DC

Io (Isc): 24 mA DC

Po: 180 mW

Co (Ca): 50 nF

Lo (La): 40 mH