MODEL: 27HU-B

27HU-B SPECIFICATIONS

ES-7652 Rev.18 Page 1/7

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

Head-mounted Two-wire Signal Conditioners

27-UNIT

2-WIRE UNIVERSAL TEMPERATURE TRANSMITTER

(HART communication, outdoor enclosure, explosion-proof)

Functions & Features

• Universal input: DC mV, T/C, RTD and resistance

• High accuracy

• HART communication

• Explosion-proof approval

• Suitable for Functional Safety applications up to SIL2

• Programming via hand-held communicator or via PC

• A wide variety of T/C and RTD types

• User’s temperature table can be used

• Self diagnostics

• Ultra-low temp. drift option (20 ppm/°C typ.)

• Stainless steel enclosure optional

MODEL: 27HU–B–[1][2][3][4][5][6][7]

ORDERING INFORMATION

• Code number: 27HU-B-[1][2][3][4][5][6][7]

Specify a code from below for each of [1] through [7].

(e.g. 27HU-B-0L1T01/S).

Use Ordering Information Sheet (No. ESU-7652). 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 4.

[1] SAFETY APPROVAL

Confirm selectable combinations of approval and wiring

conduit types in the table below.

0: None

3: FM explosion-proof

4: ATEX flameproof

8: TIIS flameproof (CE not available)

[2] TEMPERATURE DRIFT

0: Standard (temp. coefficient 0.015 %/°C)

L: Ultra-low temperature drift

(temp. coefficient 0.002 %/°C typ. 0.005 %/°C max.)

[3] LED INDICATOR

0: Without

1: With (SIL not available)

[4] TERMINAL BLOCK

0: None (Output connection: Terminals on module)

(For TIIS, selectable only with ‘No indicator’ option.)

T: Incorporated

(Selectable only with the LED indicator option)

[5] WIRING CONDUIT

Confirm selectable combinations of approval and wiring

conduit types in the table below.

0: G 1/2

1: 1/2 NPT

2: M20 × 1.5

3: PG 13.5

[6] MOUNTING BRACKET

0: Without

1: With

[7] OPTIONS

Enclosure Materials

Blank: Diecast aluminium enclosure

/S: Stainless steel enclosure

(TIIS flameproof approval not selectable)

I SELECTABLE WIRING CONDUITS SPECIFIC TO EACH APPROVAL

N marked combinations are not selectable.

APPROVAL

0

3

4

8

WIRING CONDUIT

0

Y

N

N

Y

1

Y

Y

Y

N

2

Y

N

Y

N

3

Y

N

N

N

RELATED PRODUCTS

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

Usable in ‘non-hazardous’ area only.

• Hand-held communicator

• PC configurator software (model: 27HUCFG)

Downloadable at M-System’s web site.

• Cable gland (model: BX-E-SXY)