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Specifications, Laureate™ RTD Temperature
Panel Meter / Controller
High accuracy plus linearized transmitter & control outputs
Key Features
- Accepts 100Ω platinum, 10Ω copper & 120Ω nickel RTDs
- 2, 3 or 4-wire connection with lead resistance compensation
- Highly accurate and repeatable
- Selectable 1°, 0.1°, or 0.01° resolution
- Selectable Celsius, Fahrenheit, Kelvin or Rankin scales
- Up to 60 conversions per second
- Peak or valley display
- Universal AC power, 85-264 Vac
- NEMA 4X, 1/8 DIN case
RTD
Metal |
Alpha |
R at
0°C |
R at top
of range |
Excitation
Current |
Range |
Conformity
Error |
| Platinum |
0.003850
(DIN) |
100Ω |
390.48Ω
at 850°C |
196 µA |
-200°C to +850°C
-328°F to +1562°F |
±0.03°C
±0.05°F |
| Platinum |
0.003902
(ANSI) |
100Ω |
394.36Ω
at 850°C |
196 µA |
-200°C to +850°C
-328°F to +1562°F |
±0.04°C
±0.07°F |
| Nickel |
0.00672 |
120Ω |
380.31Ω
at 260°C |
196 µA |
-80°C to +260°C
-112°F to +500°F |
±0.05°C
±0.09°F |
| Copper |
0.00427 |
9.035Ω |
19.116Ω
at 260°C |
5.0 mA |
-97°C to +260°C
-143°F to +500°F |
±0.05°C
±0.09°F |
| Display |
Readout
Color
Indicators |
5 digits, 7-segment, 14.2 mm (.56")
Red or green LED
Minus sign, 2 red LED lamps |
| Accuracy |
Calibration, Pt 100 DIN
Calibration, Pt 100 ANSI
Calibration, Ni 120
Overall accuracy at 25ֲ°C
Span tempco |
Per IEC 751 (ITS-90)
NIST Monograph 126
DIN 43760
±0.01% of full span + conformity error
±0.003% of reading/°C |
| Electrical |
Connection
Overvoltage protection
Open sensor indication
Sensor lead resistance
Tempco per conductor |
2, 3 or 4-wire
125 Vac
Flashes full-scale
2-wire, 10 mdeg/Ω/deg up to 10Ω
3 & 4-wire, 10 mdeg/Ω/deg up to 100Ω |
| A-to-D Conversion |
Technique
A-to-D Rate
Output Update
Display Update |
Concurrent Slope™ (Pat 5,262,780)
60/s at 60 Hz, 50/s at 50 Hz
56/s at 60 Hz, 47/s at 50 Hz
3.5/s at 60 Hz, 3/s at 50 Hz |
| Power |
Voltage, standard
Voltage, optional
Frequency
Power Isolation |
85-264 Vac or 90-300 Vdc (DC operation not UL approved)
12-32 Vac or 10-48 Vdc
DC or 47-63 Hz
250V rms working, 2.3 kV rms per 1 min test |
| Analog Output (optional) |
Output Levels
Current compliance
Voltage compliance
Scaling
Resolution
Isolation |
4-20 mA, 0-20 mA, 0-10V, -10 to +10V (jumper selectable)
2 mA at 10V ( > 5 kΩ load)
12V at 20 mA ( < 600Ω load)
Zero and full scale adjustable from -99999 to +99999
16 bits (0.0015% of full scale)
250V rms working, 2.3 kV rms per 1 min test |
| Relay Outputs (optional) |
Relay Types
Current Ratings
Output common
Isolation |
2 Form C contact relays or 4 Form A contact relays (NO)
2 or 4 Form A, AC/DC solid state relays (NO)
8A at 250 Vac or 24 Vdc for contact relays
130 mA at 140 Vac or 180 Vdc for solid state relays
Isolated commons for dual relays or each pair of quad relays
250V rms working, 2.3 kV rms per 1 min test |
| Serial Data I/O (optional) |
Board Selections
Protocols
Data Rates
Digital Addresses
Isolation |
Ethernet, Ethernet-to-RS485 server, USB, USB-to-RS485 server,
RS485 (dual RJ11), RS485 Modbus (dual RJ45), RS232.
Modbus RTU, Modbus ASCII, Laurel ASCII protocol
300 to 19200 baud
247 (Modbus), 31 (Laurel ASCII),
250V rms working, 2.3 kV rms per 1 min test |
| Environmental |
Operating Temp.
Storage Temp.
Relative Humidity
Protection |
0°C to 60°C
-40°C to 85°C
95% at 40°C, non-condensing
NEMA-4X (IP-65) when panel mounted |
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