Practical Instrument Electronics 530 User Manual

20 milliamp loop calibrator, Model 530, Operating instructions

Advertising
background image

Practical Instrument Electronics

Model 530

4-20 Milliamp Loop Calibrator

Operating Instructions

Basic Keypad Operations

1

EZ-Check™ Switch/EZ-Step™ Pushbutton

Slide the switch to select the user stored values for

calibration points. Press the button to adjust the output
by the user defined step size. Press and hold the button

to activate the auto step/ramp mode.

2

SOURCE/STEP SIZE Button

Press SOURCE to change source modes. These are:

• Source Milliamps

• 2-Wire Transmitter Simulate

3

ON/OFF Button

Press ON/OFF to turn the Model 530 on or off.

4

UNITS Button

Press UNITS to change how current is

displayed – either in milliamperes or % of 4-20
mA. Voltage is only displayed in Volts.


5

READ Button

Press READ button to change read modes.

These are:

• Read Milliamps

• Power and Measure 2-Wire Transmitter

• Read Volts

h

STORE/CLEAR Button

In any source mode:

Press STORE/CLEAR to save the current
reading in the EZ-Check HI or LO position.

The EZ-Check switch must be set to HI or L

The display will flash “STORED” to confirm.

O.

In any read mode:
Press STORE/CLEAR to clear the values saved
in the EZ-Check™ HI and LO positions. The

display will flash “CLEARED” to confirm.

i

EZ-Dial™ Knob

Turn the EZ-Dial™ knob to adjust the output

level. Press and turn to adjust 100X faster.

EZ-Dial™

Knob

Adjust the output up and down with the EZ-Dial knob. The increment is 0.001 mA (or 0.01 % if display

units are % of 4-20 mA.) Press while turning to adjust 100X faster – 0.100 mA (or 1.00 %.)

EZ-Check

Switch

The EZ-Check™ switch has three positions -- high, set, and low. Its position is shown at the left edge of

the display with “HI” and “LO” indicators. Neither indicator indicates the middle position. Use of the EZ-
Check switch depends on mode.

841 Holt Road #1 Webster, NY 14580

Tel: 585-872-9350 Fax: 585-872-2638

[email protected] http://www.piecal.com/

Practical Instrument Electronics, Inc. Copyright 2002. All rights reserved.

530-9002 2/26/04

1-8

Advertising
Table of contents