ES-8862 Rev.5
6BTS
Field-mounted Two-wire
Signal Conditioners 6B-UNIT
THERMOCOUPLE TRANSMITTER
(linearization)
Functions & Features
• Accepts direct input from a thermocouple and providing a standard 4 – 20 mA DC signal
• Linearization
• Burnout protection
• Cold junction compensation
• Rugged outdoor enclosure: stainless steel selectable
MODEL: 6BTS–0[1][2][3][4][5]
ORDERING INFORMATION
• Code number: 6BTS-0[1][2][3][4][5]
Specify a code from below for each of [1] through [5].
(e.g. 6BTS-020A1/BL)
• Temperature range (e.g. 0 – 800°C)
SAFETY APPROVAL
0
: None
[1] INPUT THERMOCOUPLE
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
[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 to output to outdoor enclosure
Output limit
: Approx. 120 %
Zero adjustment
: Approx. -0.5 – +5 % (behind the access cover)
Span adjustment
: Approx. 95 to 105 % (behind the access cover)
Linearization
: Standard
Cold junction compensation
: CJC sensor attached to the
input terminals
INPUT SPECIFICATIONS
Minimum span
: 3 mV
Offset
: Max. 1.5 times span
Input resistance
: 20 kΩ minimum
Burnout sensing
: 0.1 μA
Minimum temperature span
(in °C)
(PR): min. span 370°C
K (CA): min. span 75°C
E (CRC): min. span 50°C
J (IC): min. span 60°C
T (CC): min. span 75°C
B (RH): min. span 780°C
R: min. span 360°C
S: min. span 380°C
Minimum temperature span
(in °F)
(PR): min. span 670°F
K (CA): min. span 140°F
E (CRC): min. span 90°F
J (IC): min. span 110°F
T (CC): min. span 140°F
B (RH): min. span 1410°F
R: min. span 650°F
S: min. span 690°F
Note: For the temperatures that range below 0°C, the transmitter may partially not satisfy the described accuracy. Consult factory.
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
: ±0.4 % (at over 400°C or 750°F for R, S and PR; over 770°C or 1420°F for B)
Cold junction compensation error
(at 25°C ±10°C or 77°F ±18°F)
K, E, J & T
: ±0.5°C or ±0.9°F
S, R & PR
: ±1°C or ±1.8°F
Temp. coefficient
: ±0.015 %/°C (±0.008 %/°F)
(at over 400°C or 750°F for R, S and PR; over 770°C or 1420°F for B)
Burnout response
: ≤ 10 sec.
Insulation resistance
: ≥ 100 MΩ with 500 V DC
Dielectric strength
: 500 V AC @ 1 minute
(input to output)
1500 V AC @ 1 minute (input or output to enclosure)
EXTERNAL DIMENSIONS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM