INPUT SENSOR SELECTION
Temperature sensors
Thermocouples
Description
Sensor range
Linearity
tC b
Pt-30%Rh/Pt-6%Rh
0 to 1800 °C
2.0 *
tC E
Chromel/Con
0 to 600 °C
0.5
tC J
Iron/Constantan
0 to 800 °C
0.5
tC K
Chromel/Alumel
-50 to 1200 °C
0.25*
tC L
Fe/Konst
0 to 800 °C
0.5
tC n
NiCrosil/NiSil
-50 to 1200 °C
0.25*
tC r
Pt-13%Rh/Pt
0 to 1600 °C
2.0*
tC s
Pt-10%Rh/Pt
0 to 1600 °C
2.0*
tC t
Copper/Con
-200 / 250 °C
0.25*
Resistance
thermometer
rtd 2/3 wire
Pt100/RTD-2/3
-200 / 400 °C
0.25*
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
Linear input
(specification)
Maximum recommended display resolution: 1mV / 500°
Linear Input
Typical accuracy
Range
0–50mV
+/- 0.1%
-199 to 9999
4–20mA
+/- 0.1%
-199 to 9999
0–5
+/- 0.1%
-199 to 9999
0–10V
+/- 0.1%
-199 to 9999
SPECIFICATION
Thermocouple
9 types
Standards:
IEC 584-1-1:EN60584-1
CJC rejection:
20:1 (0.05°/°C) typical
External resistance:
100
Ω
maximum
Resistance thermometer
RTD-2/Pt100 2 wire
Standards:
IEC 751:EN60751
(100
Ω
0°C/138.5
Ω
100°C Pt)
Bulb current:
0.2mA maximum
Linear process inputs
see Linear input (specification)
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:
50ppm/°C SM typical
Reference conditions:
22°C ±2°C, rated voltage after 15 minutes
settling time.
Output devices
check configuration
SSd1 and SSd2:
solid state relay driver: To switch a remote SSR
6Vdc (nominal) 20mA non-isolated
Miniature power relay:
form A/SPST contacts (AgCdO)
rLY, rLY1 and rLY3:
2A/250ac resistive load
Analogue output:
4–20mA 500
Ω
max +/- 0.1% fs typical
0–5Vdc 10mA (500
Ω
min) +/- 0.1% fs typical
0–10Vdc 10mA (1K
Ω
min) +/- 0.1% fs typical
General
Displays:
Upper, 4 Digits, high brightness
green LED. 10mm (0.4”) high.
Lower, 4 Digits, high brightness Orange LED
9mm (0.35”) high
Digital range -199 to 9999
Hi-res mode -199.9 to 999.9
LED output indicators - flashing
SP1 square, green; SP2/SP3 round, red
Keypad:
3 elastomeric buttons
Environmental
Humidity:
Max 95% (non condensing)
Altitude:
up to 2000M
Installation:
Categories ll and lll
Pollution:
Degree ll
Protection:
NEMA 4X, lP66 (Front panel only)
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:
180g (6.4 oz)
22
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