MODEL: 6BM
Field-mounted Two-wire
PACKAGE INCLUDES...
• Mounting screws
Signal Conditioners 6B-UNIT
Bolt (M8 x 15): 4
Spring washer for M8: 4
Material: Stainless steel 304
POTENTIOMETER TRANSMITTER
Functions & Features
• Mounting bracket assembly (option):
Mounting bracket: 1
• IP66 / IP67 housing enables field mounting
• Stainless steel field housing selectable
• Potentiometer transmitter that uses a potentiometer as a
probe
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.
• Constant voltage excitation allows use with pots with total
resistances from 100 Ω – 20 kΩ without affecting accuracy
• Minimal interaction between zero and span adjustments.
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 %
MODEL: 6BM-0[1][2][3]
Zero adjustment: 0 to 10 % of total resistance
Span adjustment: (of total resistance)
135 Ω or above: 50 – 100 %
ORDERING INFORMATION
• Code number: 6BM-0[1][2][3]
Below 135 Ω: 70 – 100 %
Specify a code from below for each of [1] through [3].
(e.g. 6BM-00A1)
INPUT SPECIFICATIONS
Input: Potentiometer; 100 Ω – 20 kΩ
Minimum span: 50 % of total resistance (≥ 135 Ω); 70 % of
total resistance (< 135 Ω)
SAFETY APPROVAL
0: None
Excitation: Approx. 0.2 V DC
[1] WIRING CONDUIT
0: G 1/2
OUTPUT SPECIFICATIONS
Output: 4 – 20 mA DC
1: 1/2 NPT
Load resistance vs. supply voltage: Load Resistance (Ω) =
(Supply Voltage (V) – 13 (V)) ÷ 0.02 (A)
(including leadwire resistance)
2: M20 × 1.5
3: PG 13.5
750
600
450
300
150
0
[2] ENCLOSURE MATERIAL
A: Diecast aluminum
S: Stainless steel casting
[3] MOUNTING BRACKET
0: Without
1: With
10 13 15
20
25 28
SUPPLY VOLTAGE [V]
(550Ω maximum at 24V DC)
6BM SPECIFICATIONS
ES-8865 Rev.1 Page 1/3
http://www.m-system.co.jp/