ES-8890 Rev.2

6BLC

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

STRAIN GAUGE TRANSMITTER

Functions & Features
• IP66 / IP67 housing enables field mounting
• Stainless steel field housing selectable
• Used in conjunction with bridge type strain gauges utilized in load cells, pressure transducers, etc.
• Excitation in pulses enables use with strain gauges of the bridge resistance 350 Ω
• Non-isolated
• Zero adjustment range: 0 to 80 %, span adjustment range 100 to 20 %

MODEL: 6BLC-02[1][2][3]

ORDERING INFORMATION

• Code number: 6BLC-02[1][2][3]
Specify a code from below for each of [1] through [3].
  (e.g. 6BLC-020A1)

SAFETY APPROVAL

0: None

INPUT STRAIN GAUGE

2: 2 mV/V

[1] WIRING CONDUIT

0: G 1/2
1: 1/2 NPT
2: M20 × 1.5
3: PG 13.5

[2] ENCLOSURE MATERIAL

A: Diecast aluminum
S: Stainless steel casting

[3] MOUNTING BRACKET

0: Without
1: With

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
Zero adjustment: 0 – 80 % (behind the access cover)
Span adjustment: 100 – 20 % (behind the access cover)

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)

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: ±0.02 %/°C (±0.01 %/°F)
Response time: ≤ 0.5 sec. (0 – 90 %)
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