West Control Solutions TB 45 Temperature Monitor - Manual (Page 47)

. 12 Technical data
INPUTS
UNIVERSAL INPUT INP1
Type: single-ended, except thermocouples
Resolution: > 14 bits
Decimal point: 0 to 3 decimals
Digital input filter: adjustable 0,0...999,9 s
Scanning cycle: 100 ms
Linearization: 15 segments, adaptable with
BlueControl
®
Measurement value correction: 2-point or offset
Limiting frequency:
1,7 Hz
Thermocouples (Table 1)
Input resistance:
? 1 M[
Influence of source resistance: 1 úV/[
Input circuit mo nitor break, reversed polarity
Cold-junction compensation
w
internal,
- additional error: typ.:
max .:
ß_ 0,5 K
ß -2,5 K
external,
-constant reference
0...100 °C
Break monitoring
Sensor current: 1 úA
Operating sense configurable
Resistive sensors (Table 2)
Connection technique: 3-Leiter,
4-wire (not with INP2)
Lead resistance (for max. span): max. 30 [
Input circuit monitoring: break and short circuit
Measurement span
The BlueControl
®
software enables the internal characteristic
cu rve for the KTY 11-6 temperature sensor to be adapted.
Divided into ranges
Physical measurement range: 0...4500 [
Current and voltage measurement (Table 3)
Span start and span: anywhere within the
measurement range
Scaling: freely selectable –1999...9999
Input circuit monitoring (current): 12,5% below span start (2 mA)
O
2
measurement (option)
Electromotive force measurement by means of INP1
(high-impedance mV inputs)
suitable for probes with
w
constant sensor temperature (heated probes), setting by means
of parameter
measured sensor temperature (non-heated probes),
measurement by means of INP2
ADDITIONAL INPUT INP2 (UNIVERSAL,
OPTIONAL)
Resolution: > 14 bits
Digital input filter: adjustable 0,0...999,9 s
Scanning cycle: 100 ms
Linearization: as for INP1
Measurement value correction: 2-point or offset
Type: single-ended except
thermocouples
Remaining technical data as for INP1 except:
• Voltage input ranges –10...0...+10V and -5...+5V not possible.
• Millivolt input ranges: high-impedance input for low-impedance
sources.
Technical data
TB 45 47
Thermocouple type Measurement range Accuracy Typical resol.
L Fe-CuNi (DIN) -100...900°C -148...1652°F
ß 2K
0,1 K
J Fe-CuNi -100...1200°C -148...2192°F
ß 2K
0,1 K
K NiCr-Ni -100...1350°C -148...2462°F
ß 2K
0,2 K
N Nicrosil/Nisil -100...1300°C -148...2372°F
ß 2K
0,2 K
S PtRh-Pt 10% 0...1760°C 32...3200°F ß 2K 0,2 K
R PtRh-Pt 13% 0...1760°C 32...3200°F
ß 2K
0,2 K
T** Cu-CuNi -200...400°C -328...752°F ß 2K 0,05 K
C W5%Re-W26%Re 0...2315°C 32...4199°F
ß 3K
0,4 K
D W3%Re-W25%Re 0...2315°C 32...4199°F
ß 3K
0,4 K
E NiCr-CuNi -100...1000°C -148...1832°F
ß 2K
0,1 K
B* PtRh-Pt6% 0(400)...1820°C 32(752)...3308°F
ß 3K
0,4 K
Special -25 … +75 mV
ß 0,1%
0,01%
* Values apply from 400 °C upwards
** Values apply from –80 °C
Table 1: Thermocouple input