Cropico 3000 SERIES Instruções de Operação descarregar pdf (Página 4)

3000.doc Iss. 2/00

TECHNICAL SPECIFICATION

DISPLAY: LCD Graphics Panel, 240 x 64 dot, with LED backlight contrast control via

front panel keyboard.

INPUTS: 2 channels for PRTs via 6 pin Lemo sockets. LEMO type number for input

plug: FGG1B.306.CLAD52

IMPUT IMPEDENCE > 10MΩ

Max. input Voltage ± 40Vdc, 28Vrms

Common Mode Rejection 50Vrms

The inputs are linearised and user selectable to the following standards:-

IEC751 R0=100Ohm, Ra=3850

US/JIS R0=100 Ohm,Ra=3851

EN-751 R0=100 Ohm, Ra=3850 in accordance with ITS90 standards

USER Up to 20 probes may be configured to customer entered constant, A

B, C, and R0 values.

A Standby current is always passed through the sensors.

UNCERTAINTY OF MEASUREMENT:

INPUT RANGE

°C

RESISTANCE

Ohm

CURRENT RESOLUTION

°C °F K

UNCERTAINTY

1 year @ 20 ±5°C

Pt100 -200 … -100 18 … 60 1mA 0.001 0.02°C

-100 … +500 60 … 280 1mA 0.001

0.01°C

+500 … +800 280 … 450 1mA 0.001

0.02°C

2 channels for thermocouples (Model 3001) via 4mm sockets. A range of

thermocouple plugs with binding posts is available as accessories , see price

list.

The Inputs are linearised for the following thermocouple Types

B,E,J,K,N,R,S,T and in accordance with the following Standard, NIST 175,

ITS 90. Types C & D to ASTM E988

Reference Junction compensation may be selected for the following modes:-

Automatic:- Internal Reference Junction range 0 to +40°C

External:- Via Pt100 sensor connected to channel A or B range 0 to

+100°C

OFF:- Turns the Reference Junction OFF = 0°C

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Cropico 3000 SERIES Instruções de Operação Página 4