Martel MC1000 Manuale utente

MC1000

Multi-Function

Calibrator

Table of Contents

1. Introduction

1.1 Customer Service . . . . . . . . . . . . . . . .1

1.2 Standard Equipment . . . . . . . . . . . . . .1

1.3 Safety Information . . . . . . . . . . . . . . . .2

2. Quick Start Instructions

A. Key Functions . . . . . . . . . . . . . . . . . . . .6

B. Setpoints . . . . . . . . . . . . . . . . . . . . . . .7

3. Connection Diagrams & Instructions

A. Measuring High Voltage AC or DC . . .10

B. Measuring Low Voltage

and Frequency . . . . . . . . . . . . . . . . . .10

C. Measuring Current . . . . . . . . . . . . . . .11

D. Sourcing Current . . . . . . . . . . . . . . . .11

E. Simulating Current . . . . . . . . . . . . . . .12

F. Sourcing Voltage/

Resistance/Frequency . . . . . . . . . . . . .12

G. Sourcing a Thermocouple Signal . . . .13

H. Measuring Temperature Using a

Thermocouple . . . . . . . . . . . . . . . . . .13

I. Measuring Resistance (RTDs) . . . . . . .13

J. Sourcing Resistance (RTDs) . . . . . . . .15

4. Serial Communications . . . . . . . . . . . .15

5. Maintenance

A. Power Requirements . . . . . . . . . . . . .19

B. Calibration . . . . . . . . . . . . . . . . . . . . .19

C. Field Replacement Fuse . . . . . . . . . . .19

6. Specifications . . . . . . . . . . . . . . . . . . .20

7. Warranty . . . . . . . . . . . . . . . . . . . . . . .23

MC-1000

1. Introduction

The MC1000 is designed to be a versatile, easy

to use multi-function calibrator with a simple

user interface. The following instructions will

allow the user to begin simple calibration tasks

by learning the basic operation of the keys and

their functions.

1.1 Customer Service

Corporate Office:

www.martelcalibrators.com

e-mail: [email protected]

Tel: (603) 434-8179 800-821-0023

Fax: (603) 434-1653

Martel Electronics

PO Box 770

1F Commons Drive

Londonderry, NH 03053

1.2 Standard Equipment

Check to see if your calibrator is

complete. It should include:

MC1000 Calibrator, Instruction Manual, Test

Leads, Rubber Boot and NIST Certificate.

1.3 Safety information

Symbols Used

The following table lists the International

Electrical Symbols. Some or all of these sym-

bols may be used on the instrument or in this

manual.

Symbol Description

AC (Alternating Current)

AC-DC

Battery

CE Complies with European Union

Directives

Double Insulated

Electric Shock

Fuse

PE Ground

Hot Surface (Burn Hazard)

Read the User’s Manual

(Important Information)

Off

Canadian Standards Association

The following definitions apply to the terms

“Warning” and “Caution”.

• “Warning” identifies conditions and actions

that may pose hazards to the user.

• “Caution” identifies conditions and actions

that may damage the instrument being used.

Use the calibrator only as specified in this man-

ual, otherwise injury and damage to the calibra-

tor may occur.

Warning

To avoid possible electric shock or

personal injury:

• Do not apply more than the rated voltage.

See specifications for supported ranges.

• Follow all equipment safety procedures.

• Never touch the probe to a voltage source

when the test leads are plugged into the cur-

rent terminals.

• Do not use the calibrator if it is damaged.

Before you use the calibrator, inspect the

case. Look for cracks or missing plastic. Pay

particular attention to the insulation surround-

ing the connectors.

• Select the proper function and range for your

measurement.

• Make sure the battery cover is closed and

latched before you operate the calibrator.

• Remove test leads from the calibrator before

you open the battery door.

• Inspect the test leads for damaged insulation

or exposed metal. Check test leads continuity.

Replace damaged test leads before you use

the calibrator.

• When using the probes, keep your fingers

away from the probe contacts. Keep your fin-

gers behind the finger guards on the probes.

• Connect the common test lead before you

connect the live test lead. When you discon-

nect test leads, disconnect the live test lead

first.

• Do not use the calibrator if it operates abnor-

mally. Protection may be impaired. When in

doubt, have the calibrator serviced.

• Do not operate the calibrator around explo-

sive gas, vapor, or dust.

• When using a pressure module, make sure

the process pressure line is shut off and

depressurized before you connect it or dis-

connect it from the pressure module.

• Disconnect test leads before changing to

another measure or source function.

• When servicing the calibrator, use only speci-

fied replacement parts.

• To avoid false readings, which could lead to

possible electric shock or personal injury,

replace the battery as soon as the battery

indicator appears.

• To avoid a violent release of pressure in a

pressurized system, shut off the valve and

slowly bleed off the pressure before you

attach the pressure module to the pressure

line.

Caution

To avoid possible damage to calibrator or

to equipment under test:

• Disconnect the power and discharge all high-

voltage capacitors before testing resistance

or continuity.

• Use the proper jacks, function, and range for

your measurement or sourcing application.

• To avoid mechanically damaging the pressure

module, never apply more than 10 ft-lb. of

torque between the pressure module fittings,

or between the fittings an the body of the

module.

• To avoid damaging the pressure module from

overpressure, never apply pressure above the

rated maximum printed on the module.

• To avoid damaging the pressure module from

corrosion, use it only with specified materials.

Refer to the pressure module documentation

for material compatibility.

2. Quick Start Instructions

A. Key Functions

Key Function

Input/Output Toggles the function selected

from measurement mode to

source mode.

V/mA/Hz Selects between volts, mil-

liamps, and frequency modes

TC/RTD Selects between temperature

modes either T/C or RTD.

Ohms and mV ranges are also

included in these functions.

Ranges/Units This key toggles through all

the ranges for a chosen func-

tion. Example: If T/C mode is

selected the Range key tog-

gles through the ranges J, K,

T, E, etc.

0-9 keys These keys allow a user to

enter an output value.

Example: to output 20 mA

select mA output and Press

the “2” key then the “0” key

followed by the “ENTER” key.

Arrow ↑↓ These keys allow small

changes to be made to an out-

put value. Press either the up

or the down arrow key to set

the value as desired.

CE The clear entry key allows the

user to clear a value before the

enter key is pressed.

Shift This key has a blue text color

and acts as a second function

key to all keys that have an

associated second function.

Features such as setpoints,

°F/°C, backlight and external

pressure module activation all

use the Shift key.

B. Setpoints

1. Storing Setpoints

The setpoint mode allows up to 9 set-

points to be stored in non-volitile memo-

ry for each range. The procedure is as

follows:

a. Set the output to the desired value.

b. Press shift followed by the “SET” key.

c. Choose the desired setpoint storage

location by pressing a key (1-9).

d. Enter a new value and repeat steps 1

thru 3 as needed, up to 9 setpoints for

each range can be stored.

2. Recalling Setpoints

a. To recall a setpoint, press shift fol-

lowed by the”SPT” key.

b. You will be prompted to enter the

number of the desired setpoint loca-

tion stored previously.

c. Press the desired location number and

the unit will go to that output.

3. Automated Stepping

The MC1000 can auto-step through

some or all of the stored setpoints for a

given range. The procedure is as follows:

a. Press “Shift” followed by auto.

b. “Auto SPT ?” will appear. Enter the

ending setpoint location. Example: if

you have all 9 setpoints stored but

only want to step through the first 3

then enter “3” for this question.

c. The next screen prompts you to enter

the dwell time from 5 to 500 seconds.

Simply enter a number in that range.

Then press the “Enter” key.

d. Auto-step will begin.

e. To exit auto-step press “CE” key or

enter a value.

4. Manual Stepping

The MC1000 can be manually stepped

through all or some of the stored set-

points. The procedure is as follows:

a. Press “Shift” followed by “Man”.

b. Using the arrow keys, toggle up and

down through the stored setpoints.

c. To exit press CE or simply enter a new

output value.

5. Pressure Module Interface

The MC1000 has the capability to inter-

face with a family of pressure modules

available from Martel. The procedure is

as follows:

a. Connect the pressure module to the

15 pin “D” connector on top of the

MC1000.

b. Press “Shift” followed by the “ ”

key.

c. Always zero the pressure module

before starting a calibration. Press

“Shift” followed by the “Zero” key.

Note: More detailed information can be found with

the instructions packaged with each module.

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