Laurel-electronics Laureate RTD Temperature Panel Meter-Controller Bedienungsanleitung PDF herunterladen

LAUREL

ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 1

LAUREL

ELECTRONICS, INC.

Laureate™ RTD Temperature

Panel Meter / Controller

Features

• Factory calibrated for 100Ω platinum, 10Ω copper & 120Ω nickel RTDs

• 2, 3 or 4-wire connection with lead resistance compensation

• Highly accurate and repeatable

• Selectable 1° or 0.°1, degrees Celsius, Fahrenheit, Kelvin or Rankin

• Up to 60 conversions per second

• Peak or valley display

• Universal AC power, 85-264 Vac

• 1/8 DIN case sealed to NEMA-4X from front panel

• Optional serial I/O: Ethernet, USB, RS232, RS485, Ethernet-to-RS485 converter

• Optional relay output: dual or quad relays, contact or solid state

• Optional isolated analog output: 4-20 mA, 0-20 mA, 0-10V, -10 to +10V

• Optional low voltage power: 10-48 Vdc or 12-32 Vac

Description

The Laureate™ RTD meter is factory calibrated for four Re-

sistance Temperature Detector (RTD) types: 100-ohm platinum

(Pt100) with DIN alpha of 0.00385, 100-ohm platinum (Pt100)

with ANSI alpha of 0.003902, 10-ohm copper with alpha of

0.00427, and 120-ohm nickel with alpha of 0.00672. The entire

span of each RTD type is presented in a single range. The RTD

type, unit of measure (°C or °F) and resolution (1°, 0.1° or 0.01°)

are selectable from the front panel or via the meter's serial

interface. Display in Kelvin or Rankin is selected by offsetting the

Celsius or Fahrenheit ranges.

RTD connections can be via 2, 3 or 4 wires. With 3 or 4-wire

connections, the meter automatically compensates for lead

resistance to the sensor. With 2-wire connection, the meter can

measure and then subtract the lead wire resistance.

All ranges for all RTD types are digitally calibrated at the

factory, with calibration factors stored in an EEPROM on the

signal conditioner board. This allows temperatures sensors and

signal conditioner boards to be changed in the field without

recalibrating the meter.

Digital filtering is selectable for electrically noisy environments

or resolution to 0.01°, including a batch averaging filter and an

adaptive moving average filter which provides a choice of 8 time

constants from 80 ms to 9.6 s. When a significant change in

signal level occurs, that filter adapts by briefly switching to the

shortest time to follow the change, then reverts back to the

selected time constant. In a selectable Auto filter mode, the filter

time constant is automatically selected based on detected signal

noise.

Designed for system use. Optional plug-in boards include

Ethernet and other serial communication boards, dual or quad

relay boards, and an isolated analog output board. Laureates

may be powered from 85-264 Vac or optionally from 12-32 Vac

or 10-48 Vdc. The display is available with red or green LEDs.

The 1/8 DIN case meets NEMA 4X (IP65) specifications from the

front when panel mounted. Any setup functions and front panel

keys can be locked out for simplified usage and security. All

power and signal connections are via UL / VDE / CSA rated

screw clamp plugs.

Specifications

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

1 2 3 4 5

Inhaltsverzeichnis

Seite 1 - Features

LAUREL ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 1 LAUREL ELECTRONICS, I

Seite 2 - LAUREL

LAUREL ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 2 Display Readout Color

Seite 3 - Application Examples

LAUREL ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 3 RTD Connections with E

Seite 4 - Ordering Guide

LAUREL ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 4 Ordering Guide Create

Seite 5 - Mechanical

LAUREL ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 5 Mechanical

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Laurel-electronics Laureate RTD Temperature Panel Meter-Controller Bedienungsanleitung

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