MODEL: BTS
Space-saving Two-wire Signal Conditioners B-UNIT
[2] OPTIONS (multiple selections)
Burnout
blank: Upscale burnout
THERMOCOUPLE TRANSMITTER
(isolated)
/BL: Downscale burnout
Other Options
Functions & Features
blank: none
• Accepting direct input from a thermocouple and providing
a standard 4 – 20 mA DC signal
• Linearization
/Q: Option other than the above (specify the specification)
• Burnout protection
SPECIFICATIONS OF OPTION: Q (multiple selections)
COATING (For the detail, refer to M-System's web site.)
/C01: Silicone coating
• High-accuracy cold junction compensation
• Monitor terminals
• High-density mounting
/C02: Polyurethane coating
/C03: Rubber coating
Typical Applications
TERMINAL SCREW MATERIAL
/S01: Stainless steel
• High-accuracy cold junction compensation benefits narrow
span measurements
• 0.1 μA burnout sensing enables long distance
transmission with minimum offset drifts
GENERAL SPECIFICATIONS
Construction: Plug-in
• Electric furnace (isolation)
Connection: M3.5 screw terminals (torque 0.8 N·m)
Screw terminal: Nickel-plated steel (standard) or stainless
steel
26 (1.02)
Housing material: Flame-resistant resin (black)
Isolation: Input to output
93
(3.66)
Zero adjustment: -1.5 to +10 % (front)
Span adjustment: 95 to 105 % (front)
Linearization: Standard
137
(5.39)
Cold junction compensation: CJC sensor attached to the
input terminals
mm (inch)
MODEL: BTS–[1][2]
INPUT SPECIFICATIONS
Minimum span: 3 mV
ORDERING INFORMATION
• Code number: BTS-[1][2]
Offset: Max. 1.5 times span
Input resistance: 20 kΩ minimum
Burnout sensing: 0.1 μA
Specify a code from below for each of [1] and [2].
(e.g. BTS-2/BL/Q)
• Temperature range (e.g. 0 – 800°C)
• Specify the specification for option code /Q
(e.g. /C01/S01)
Minimum span (in °C)
(PR): 370°C
K (CA): 75°C
E (CRC): 50°C
J (IC): 60°C
[1] INPUT THERMOCOUPLE
T (CC): 75°C
B (RH): 780°C
R: 360°C
1: (PR) (Usable Range 0 to 1760°C, 32 to 3200°F)
2: K (CA) (Usable range -270 to +1370°C, -454 to +2498°F)
3: E (CRC) (Usable range -270 to +1000°C, -454 to +1832°F)
4: J (IC) (Usable range -210 to +1200°C, -346 to +2192°F)
5: T (CC) (Usable range -270 to +400°C, -454 to +752°F)
6: B (RH) (Usable range 0 to 1820°C, 32 to 3308°F)
7: R (Usable range -50 to +1760°C, -58 to +3200°F)
8: S (Usable range -50 to +1760°C, -58 to +3200°F)
0: Specify
S: 380°C
Minimum span (in °F)
(PR): 670°F
K (CA): 140°F
E (CRC): 90°F
J (IC): 110°F
T (CC): 140°F
BTS SPECIFICATIONS
ES-3112 Rev.5 Page 1/3
http://www.m-system.co.jp/