Hart Sceintific 9113 Bedienungsanleitung

Model 9113

Portable Furnace

User Manual

HART

SCIENTIFIC

Rev. 721801

Hart Scientific

799 E. Utah Valley Drive

American Fork, Utah 84003-9775

Telephone (801) 763-1600 • Fax (801) 763-1010

Internet: http://www.hartscientific.com

WARNING

To ensure the safety of operating personnel, and to avoid damage to this equipment:

DO NOT operate this unit without a properly grounded, properly polarized power cord.

DO NOT connect this unit to a non-grounded, non-polarized outlet.

DO USE a ground fault interrupt device.

WARNING

HIGHVOLTAGE

is used in the operation of this equipment.

SEVERE INJURY OR DEATH

may result if personnel fail to observe safety precautions.

Before working inside the equipment, turn power off and disconnect power cord.

WARNING

HIGH TEMPERATURES PRESENT

in this equipment

FIRES AND SEVERE BURNS

may result if personnel fail to observe safety precautions.

WARNING

To ensure the safety of personnel, and to avoid damage to equipment:

DO NOT use this unit for any application other than calibration work.

DO NOT use this unit in environments other than those listed in the user’s manual.

Continuous use of this equipment at high temperatures for extended periods of time

requires caution.

Completely unattended high temperature operation is not recommended for

safety reasons.

Components and heater lifetimes can be shortened by continuous high temperature operation.

Follow all safety guidelines listed in the user’s manual.

WARNING

THIS EQUIPMENT SHOULD ONLY BE USED BY TRAINED PERSONNEL.

Table of Contents

1 Introduction ................................7

2 Specifications and Environmental Conditions .............8

2.1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2 Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.3 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 Safety Guidelines ............................ 10

4 Quick Start ................................ 11

4.1 Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.2 Set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4.3 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5 Installation ................................ 12

5.1 Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.2 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.3 “Dry-out” Period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

5.4 Equilibration Block Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 12

6 Parts and Controls ........................... 13

6.1 Top Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.1.1 Temperature Controller ................................... 13

6.1.1.1 Temperature Adjustment Up/Down Keys ..................... 13

6.1.2 Power Switch ........................................ 14

6.1.3 Fan Light Indicator ...................................... 14

6.1.4 Probe Cooling Tubes .................................... 14

6.1.5 Handles ........................................... 14

6.1.6 Cooling Vents ........................................ 15

6.2 Equilibration Block Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.2.1 Temperature Control and Cut-out Sensors ......................... 15

6.3 Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

6.3.1 Power Cable ......................................... 15

6.3.2 Fuse ............................................. 15

6.3.3 RS-232 Port (Optional) ................................... 15

7 General Operation ............................ 18

7.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

7.2 Operating the Temperature Controller . . . . . . . . . . . . . . . . . . . . . . 18

7.2.1 Over Temperature Cut-out ................................. 19

8 Digital Communications Interface (optional) .............20

8.1 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

8.2 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

9 Test Probe Calibration .........................21

9.1 Calibration Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

9.1.1 Direct Calibration ...................................... 21

9.1.2 Comparison Calibration ................................... 21

9.1.3 Calibration of Multiple Probes ................................ 22

9.2 Furnace Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

9.2.1 Vertical Gradient ...................................... 22

9.2.2 Stabilization and Accuracy ................................. 22

10Maintenance ...............................23

11TroubleShooting ............................24

11.1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

11.2 Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Figures and Tables

Table 1 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 1 Top Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 2 Temperature Controller (enlarged view) . . . . . . . . . . . . . . . . . . . 14

Figure 3 Equilibration Block Assembly . . . . . . . . . . . . . . . . . . . . . . . . 16

Figure 4 Back Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 5 Serial Communications Wiring Diagram . . . . . . . . . . . . . . . . . . . 20

Figure 6 Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

1 Introduction

The model 9113 Portable Calibration Furnace was

designed specifically for calibrating PRT’s, fiber optic

sensorsandthermocouplesatthehighertemperature

ranges up to 1100°C. The furnace utilizes an equili-

bration block capable of making comparison meas-

urements.Temperaturestabilityisbetterthan±0.75°C

throughout the range and the gradient between wells

at full insertion is less than 1.0°C (±0.25°C).

The temperature control system utilizes a digital con-

troller with a type K thermocouple control sensor.An

RS-232 interface is optional. The controller displays

thesettemperatureandtheactualtemperaturesimul-

taneously.Thedisplaysshowtemperaturetothenear-

est degree in °C or °F (normally shipped in °C, may

be changed to °F). The temperature is set with con-

venient up and down buttons on the front panel.

The furnace is protected from excessive temperature

with an over-temperature cut-out.The cut-out is relay

operated and independent from the temperature con-

troller to protect against the possibility of thermal

runaway due to a shorted solid state relay which

controls the heater.

Introduction

9113 Portable Furnace Manual Rev. 721801 7

2 Specifications and Environmental

Conditions

2.1 Specifications

See Table 1.

2.2 Environmental Conditions

Although the instrument has been designed for opti-

mum durability and trouble-free operation, it must be

handled with care. The instrument should not be

operatedinanexcessivelydustyordirtyenvironment.

Maintenance and cleaning recommendations can be

found in the Maintenance Section of this manual.

The instrument operates safely under the following

conditions:

•temperature range: 5–50°C (41–122°F)

•ambient relative humidity: 15–50%

•pressure: 75kPa–106kPa

•mains voltage within ±10% of nominal

•vibrations in the calibration environment

should be minimized

•altitude does not effect the performance or

safety of the unit

2.3 Warranty

The 9113 calibration furnace is covered by a 1 year

warranty that takes effect 10 days after the product is

Operating Range: 200°C to 1100°C

Stability: ±0.75°C

Test Well: 1.3" Dia.X 10.5" Deep. Available inserts size the well for best thermal

contact with the probe.

Inserts: Special high temperature alloy. Standard inserts include a reference

and a test hole.One insert is included with the 9113 with 1 hole for

0.25" dia.probes and one for 0.28" dia.standard. Additional custom

drilled inserts are available with holes sizes starting at 3/16" (probe

size fit).Insert block dimension is 1.25" dia.X 6" long.

Interface: Optional, RS-232 serial interface for computer controlled operation

Cooling: Built in fan keeps enclosure cool and assists cool down after high

temperatue use

Size: 17.5 H X 13" W X 7" D

Weight: 22 lb.

Table 1

Specifications

Specifications and Environmental Conditions

8 Manual Rev. 721801 Hart Scientific

shipped. This warranty excludes breakage of the

quartz tube. The manufacturer will provide parts and

labor without charge for repair or replacement of the

instrumentduetodefectsinmaterialor workmanship.

Thewarranty willnot applyiftheproducthas notbeen

used according to the instruction manual or has been

tampered with by the user.For service or assistance,

please contact the manufacturer.

Hart Scientific, Inc.

799 East Utah Valley Drive

American Fork, UT 84003

Phone: 801.763.1600  Fax: 801.763.1010

Internet: http://www.hartscientific.com

Specifications and Environmental Conditions

9113 Portable Furnace Manual Rev. 721801 9

3 Safety Guidelines

•Operate the instrument in room temperatures

between 5-50°C (41-122°F). Allow sufficient

air circulation by leaving at least 6 inches of

space between the furnace and nearby ob-

jects. Overhead clearance needs to allow for

safe and easy insertion and removal of probes

for calibration. If the furnace is equipped with

cooling coils, use cold water circulation when

the furnace is used above 600°C.

•The furnace is a precision instrument. Al-

though it has been designed for optimum du-

rability and trouble free operation, it must be

handled with care. The instrument should not

be operated in wet, oily, dusty or dirty environ-

ments. It is important to keep the well of the

instrument free of any foreign matter. Do not

operate near flammable materials.

•Do not use fluids to clean out the well.

•The furnace generates extreme temperatures.

Precautionsmustbe takentopreventpersonal

injury or damage to objects. Probes may be

extremely hotwhen removedfromthe furnace.

Cautiously handle probes to prevent personal

injury. Carefully place probes on a heat resis-

tant surface or rack until they are at room

temperature.

•Use only a grounded AC mains supply of the

appropriate voltage to power the instrument.

The furnace requires 8 amps at 115 VAC

(±10%), single phase, 50\60 Hz.(optional 230

VAC (±10%))

•Before initial use, after transport, and anytime

the furnace has not been energized for more

than 10 days, the instrument needs to be en-

ergized for a “dry-out” period of 1-2 hours

before it can be assumed to meet all of the

safety requirements of the IEC 1010-1.

•The instrument is equipped with operator ac-

cessible fuses. If a fuse blows, it may be due

to a power surge or failure of a component.

Replace the fuse once. If the fuse blows a

second time, it is likely caused by failure of a

component part. If this occurs, contact Hart

Scientific Customer Service. Always replace

the fuse with one of the same rating, voltage,

and type.Never replace the fuse with one of a

higher current rating.

•If a mains supply power fluctuation occurs,

immediately turn off the furnace.Power bumps

from brown-outs and black-outs can damage

the instrument. Wait until the power has stabi-

lized before re-energizing the furnace.

Safety Guidelines

10 Manual Rev. 721801 Hart Scientific

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