·Some details are not shown. Please refer to specification sheets for all information.

6BR

Field-mounted Two-wire
Signal Conditioners 6B-UNIT

RTD TRANSMITTER
(field-selectable temp. range)

Functions & Features
• IP66 / IP67 housing enables field mounting
• Stainless steel field housing selectable
• Transmitter using each RTD as a probe
• Temperature range configurable with DIP switch
• With linearization, burnout protection

MODEL: 6BR-0[1][2][3][4][5]

ORDERING INFORMATION
• Code number: 6BR-0[1][2][3][4][5]
Specify a code from below for each of [1] through [5].
  (e.g. 6BR-040A1 / BL)
• Temperature range (e.g. 0 - 100 °C)

SAFETY APPROVAL
0: None

[1] INPUT RTD (2- or 3-wire)
3: Pt 100 (JIS ’89)
4: Pt 100 (JIS ’97, IEC)
Note: Consult M-System for 2-wire RTD

[2] WIRING CONDUIT
0: G 1/2
1: 1/2 NPT
2: M20 × 1.5
3: PG 13.5

[3] ENCLOSURE MATERIAL
A: Diecast aluminum
S: Stainless steel casting

[4] MOUNTING BRACKET
0: Without
1: With

[5] OPTIONS
Burnout
blank: Upscale burnout
/BL: Downscale burnout

PACKAGE INCLUDES...
• Mounting screws
    Bolt (M8 x 15): 4
    Spring washer for M8: 4
  Material: Stainless steel 304
• Mounting bracket assembly (option):
    Mounting bracket: 1
    M10 U-bolt: 2
    Nut for M10: 4
    Spring washer for M10: 4
  Material: Stainless steel 304
  Applicable pipe: 1 1/2” min.; 2” max.

GENERAL SPECIFICATIONS
Degree of protection: NEMA 4X, IP66/IP67
Wiring conduit: See ‘Ordering information.’
Electrical connection: M3 screw terminals
(torque 0.6 N·m)
Materials
Transmitter housing: Diecast aluminum
   Screw terminals: Nickel-plated steel
Enclosure: Diecast aluminum or stainless steel casting (equivalent to type 316); silver color, epoxy resin coated
Isolation: Input or output to outdoor enclosure
Output limit: Approx. 120 %
Zero adjustment: -3 – +15 % (behind the access cover)
Span adjustment: 90 to 110 % (behind the access cover)
Linearization: Standard

INPUT SPECIFICATIONS
Maximum leadwire resistance: 5 Ω per wire (3-wire)
Sensing current: 1 mA

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)

INSTALLATION
Supply voltage: 13 – 28 V DC
Operating temperature: -5 to +70°C (23 to 158°F)
Weight
• Unit
  Approx. 1.5 kg (2.9 lb), aluminium
  Approx. 4.2 kg (8.8 lb), stainless steel
• Mounting bracket assembly (option)
  Approx. 0.78 kg (1.72 lb)

PERFORMANCE in percentage of span
Accuracy: ±0.2 %
Temp. coefficient: ±0.015 %/°C (±0.008 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
Burnout response: Approx. 1 sec.
Insulation resistance: ≥ 100 MΩ with 500 V DC
Dielectric strength: 1500 V AC @ 1 minute
(input or output to outdoor enclosure )

EXTERNAL DIMENSIONS unit: mm (inch)

SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM

MG Co., Ltd.