MODEL: B3HU2

B3HU2 SPECIFICATIONS

ES-7501 Rev.4 Page 1/4

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

Space-saving Two-wire Signal

Conditioners B3-UNIT

2-WIRE UNIVERSAL TEMPERATURE TRANSMITTER

(HART communication, low temp. drift)

Functions & Features

• Universal input: Voltage, T/C, RTD and resistance

• High accuracy

• HART communication

• 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

• Input-output isolated

mm (inch)

110.5

(4.35)

18 (.71)

106

(4.17)

MODEL: B3HU2–0[1]

ORDERING INFORMATION

• Code number: B3HU2-0[1]

Specify a code from below for [1].

(e.g. B3HU2-0/Q)

• Specify the specification for option code /Q

(e.g. /C01/SET)

SAFETY APPROVAL

0: None

[1] OPTIONS

blank: none

/Q: With options (specify the specification)

SPECIFICATIONS OF OPTION: Q (multiple selections)

COATING (For the detail, refer to M-System's web site.)

/C01: Silicone coating

/C02: Polyurethane coating

/C03: Rubber coating

EX-FACTORY SETTING

/SET: Preset according to the Ordering Information Sheet

(No. ESU-7501)

RELATED PRODUCTS

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

• PC configurator software (model: B3HU2CFG)

GENERAL SPECIFICATIONS

Construction: Stand-alone; terminal access at the front

Degree of protection: IP20

Connection: Euro type connector terminal

Housing material: Flame-resistant resin (gray)

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

HART COMMUNICATION

Protocol: HART communication protocol

HART version: 7

HART address range: 0 – 63 (factory set to 0)

Transmission speed: 1200 bps

Digital current: Approx. 1 mAp-p when communicating

Character format: 1 Start Bit, 8 Data Bits, 1 Odd Parity Bit,

1 Stop Bit

Distance: 1.5 km (0.9 miles)

HART communication mode: Master-Slave Mode and Burst

Mode (factory set to Master-Slave)

HART network mode: Point-to-Point Mode and Multi-drop

Mode; automatically set to Multi-drop Mode when the

address is set to other than 0.

INPUT SPECIFICATIONS

The input is factory set for use with K thermocouple, single

input, 0 to 100°C, internal CJC sensor.

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

and the maximum range.

■ Voltage

Input resistance: ≥ 1 MΩ