SENSOR SELECTION
Thermocouples
Description
tC b
Pt-30%Rh/Pt-6%Rh
tC E
Chromel/Con
tC J
Iron/Constantan
tC K
Chromel/Alumel
tC L
Fe/Konst
tC n
NiCrosil/NiSil
tC r
Pt-13%Rh/Pt
tC s
Pt-10%Rh/Pt
tC t
Copper/Con
Resistance
thermometer
rtd
Pt100/RTD-2
Linear process inputs (Input mV range: 0 to 50mV)
Displays
0 - 20mV
4 - 20mV
Lin1
0 - 100
Lin2
0 - 100
Lin3
0 - 1000
Lin4
0 - 1000
Lin5
0 - 2000
Notes: 1 Linearity: 5-95% sensor range
2 * Linearity B:5° (70º - 500°C) K/N:1° >350°C
exceptions: R/S: 5°<300°C T:1° <- -25° >150°C
RTD/Pt100: 0.5° <-100°C
SPECIFICATION
Thermocouple
9 types
Standards:
IPTS/68/DIN 43710
CJC rejection:
20:1 (0.05°/°C) typical
External resistance:
100Ω maximum
Resistance thermometer
RTD-2/Pt100 2 wire
Standards:
DIN 43760
(100Ω 0°C/138.5Ω 100°C Pt)
Bulb current:
0.2mA maximum
Sensor range
Linearity
0 to 1800 °C
2.0 *
0 to 600 °C
0.5
0 to 800 °C
0.5
-50 to 1200 °C
0.25*
0 to 800 °C
0.5
-50 to 1200 °C
0.25*
0 to 1600 °C
2.0*
0 to 1600 °C
2.0*
-200 / 250 °C
0.25*
0.25*
setpoint limits
0 - 400
± 0.5%
-25 - 400
± 0.5%
0 - 3000
± 0.5%
-250 - 3000
± 0.5%
0 - 3000
± 0.5%
Linear process inputs
mV range:
0 to 50mV
Applicable to all inputs SM = sensor maximum
Calibration accuracy:
±0.25%SM ±1°C
Sampling frequency:
input 10Hz, CJC 2 sec.
Common mode rejection:
Negligible effect up to 140dB,
240V, 50-60Hz
Series mode rejection:
60dB, 50-60Hz
Temperature coefficient:
150ppm/°C SM
Reference conditions:
22°C ±2°C, rated voltage after 15
minutes settling time.
Output devices
SSd/SSd1/SSd2:
solid state relay driver: To switch a
remote SSR 5Vdc +0/-15% 15mA
non-isolated
Miniature power relay:
form A/SPST contacts (AgCdO)
rLY and rLY1:
2A/250ac resistive load
rLY2:
1A/250ac resistive load
General
Displays:
Upper, 4 Digits, high brightness
green LED. 10mm (0.4") high.
Lower, 4 Digits, Orange LED. 9mm
(0.35") high (T20162 only)
Digital range -199 to 9999
Hi-res mode -199.9 to 999.9
LED output indicators - flashing
SP1 square, green; SP2 round, red
Keypad:
3 elastomeric buttons
Environmental
Humidity:
Max 80%
Altitude:
up to 2000M
Installation:
Categories ll and lll
Pollution:
Degree ll
Protection:
NEMA 4X, lP66
EMC emission:
EN50081-1 FCC Rules 15 subpart J
Class A
EMC immunity:
EN50082-2
Ambient:
0-50ºC (32-130°F)
Mouldings:
flame retardant polycarbonate
Weight:
130g (4.2 oz)
11