MODEL: BLC

BLC SPECIFICATIONS

ES-3135 Rev.7 Page 1/2

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

Space-saving Two-wire Signal Conditioners B-UNIT

STRAIN GAUGE TRANSMITTER

Functions & Features

• Used in conjunction with bridge type strain gauges utilized

in load cells, pressure transducers, etc.

• Supplying the required excitation voltage and providing

appropriate DC output signal

• Excitation in pulses enables use with strain gauges of the

bridge resistance 350 Ω

• Monitor terminals provided

• High-density mounting

Typical Applications

• Weighing system for tanks, hoppers, silos

• Weighing system using cranes

• Float level meter utilizing strain gauges

26 (1.02)

93

(3.66)

mm (inch)

137

(5.39)

MODEL: BLC–[1][2]

ORDERING INFORMATION

• Code number: BLC-[1][2]

Specify a code from below for each of [1] and [2].

(e.g. BLC-2/Q)

• Specify the specification for option code /Q

(e.g. /C01/S01)

[1] INPUT STRAIN GAUGE

2: 2 mV/V

0: Specify

[2] 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

TERMINAL SCREW MATERIAL

/S01: Stainless steel

GENERAL SPECIFICATIONS

Construction: Plug-in

Connection: M3.5 screw terminals (torque 0.8 N·m)

Screw terminal: Nickel-plated steel (standard) or stainless

steel

Housing material: Flame-resistant resin (black)

Zero adjustment: 0 – 80 % (front)

Span adjustment: 100 – 20 % (front)

INPUT SPECIFICATIONS

Input: Bridge voltage from load cells

Rated output from strain gauge: 2 mV/V

Nominal bridge resistance: 350 Ω minimum

Excitation: 5 V voltage pulse

OUTPUT SPECIFICATIONS

Output: 4 – 20 mA DC

Load resistance vs. supply voltage: Load Resistance (Ω) =

(Supply Voltage (V) – 13 (V)) ÷ 0.02 (A)

(including leadwire resistance)

10

15

20

25

28

13

0

150

300

450

600

750

SUPPLY VOLTAGE [V]

(550Ω maximum at 24V DC)

INSTALLATION

Supply voltage: 13 – 28 V DC

Operating temperature: -5 to +60°C (23 to 140°F)

Operating humidity: 30 to 90 %RH (non-condensing)

Mounting: Surface or DIN rail; Standard Rack Mounting

Frame BX-16H available

Weight: 150 g (0.33 lb)

PERFORMANCE in percentage of span

Accuracy: ±0.2 %

Temp. coefficient: ±0.02 %/°C (±0.01 %/°F)

Response time: ≤ 0.5 sec. (0 – 90 %)