Part 4: Specifications - Omega i Series User Manual

PART 4
SPECIFICATIONS
Accuracy at 25ºC
±0.5°C temp nomical
0.03% rdg ±0.03% range process
and strain
Resolution
1°/0.1°;; 10 µV process
Temperature Stability
1) RTD: 0.04°C/°C
2) TC @ 25°C (77°F): 0.05°C/°C
-­ Cold Junction Compensation
3) Process: 50 ppm/°C
NMRR
60 dB
CMRR
120 dB
A/D Conversion
Dual slope
Reading Rate
3 samples per second
Digital Filter
Programmable
Display
Single 4-­digit, 9-­segment LED,
10.2 mm (0.40")(i/16, i/32 model),
21 mm (0.83")(i/8 model);;
red, green and amber programmable
colors for process variable, setpoint
and temperature units
Warm up to Rated Accuracy
30 min.
INPUT
Input Types
Thermocouple, RTD, A nalog Voltage,
Analog Current
Thermocouple Type (ITS 90)
J, K, T, E, R, S, B, C, N, L
Thermocouple Lead Resistance
100 ohm max
RTD Input (ITS 68)
4-­wire;; 0.00385 or 0.00392 curve
Voltage Input
0 to 100 mV, 0 to 1 V, 0 to 10 Vdc
Input Impedance
Current Input
0 to 20 mA (5 ohm load)
Configuration
Single-­ended
Polarity
Unipolar
Step Response
0.7 sec for 99.9%
Decimal Selection
None, 0.1 for temperature
None, 0.1, 0.01 or 0.001 for process
Setpoint Adjustment
-­1999 to 9999 counts
Span Adjustment
0.001 to 9999 counts
Offset Adjustment
-­1999 to +9999
NETWORK AND COMMUNICATIONS
(Optional -­C24, -­C4EI, -­EI)
Ethernet: Standards Compliance
IEEE 802.3 10Base-­T
Supported Protocols: TCP/IP, A RP,
HTTPGET
RS-­232/RS-­422/RS-­485/MODBUS:
Selectable from menu;; both A SCII
and modbus protocol selectable from
menu. Programmable 300 to 19.2 K
baud;; complete programmable setup
capability;; program to transmit current
display, alarm status, min/max, actual
measured input value and status.
RS-­485: Addressable from 0 to 199
Connection: Screw terminals
44
r, 2-­, 3-­ or