Tempsens CALsys-40 Bedienungsanleitung

-4

Liquid Temperature Calibrator

USER MANUAL

TEMPSENS INSTRUMENT (I) PVT. LTD UNIT II

A-190 ROAD NO. 5 MIA UDAIPUR 313003 INDIA

TEL. +91 294 3052959, FAX +912943052950

Em il: tech@tempsens.com

Web: www.tempsens.com

Contents

1Introduction 5

1.1 Basic working

1.2 Dimension

1.3 wiring

2 Technical Data 7

2.1 Technical specification

3 Environmental condition 8

4 Unpacking 8

4.1 Initial Inspection

5. Operating Instruction 9

5.1 Power

5.2 Setting the temperature

5.3 Operating Instruction

6. Operation of Controller 11

6.1 The Temperature Controller

6.2 Altering the set point

6.3 Monitoring the Controlling Status

6.4 Units

7. Software Installation 13

7.1 Installati on

7.2 Para meter in main screen

8. Maintenance & Trouble shooting 16

8.1 Maintenance

8.2 Troubleshooting

9. Troubleshooting 17

Preface

Thank you for purchasing High Quality and Efficient CALsys -40/50.

Please familiarize yourself with the information contained in the safety precautions sections before using this

product.

This user manual contains information about the product and its proper use and should be kept in a place

where it will be easy to access.

1. Safety Information

Use the instrument only as specified in this manual. Otherwise, the protection provided by the instrument

may be impaired. Refer to the safety information below and throughout the manual.

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 in strument bei n g

used.

ELECTRICAL SAFETY

To avoid possible electric shock or personal injury, follow these guidelines.

•This equipment must be correctly earthed.

•A protective earth is used to ensure the conductive parts cannot become live in the event of a failure

of the insulation.

•The protective conductor of the flexible mains cable which is colored green/yellow MUST be

connected to a suitable earth.

•Do not use the apparatus outside its recommended range i.e., -40 to 50° C.

•Before connecting to the electricity supply, please familiarize yourself with the parts of the calibrator

with the help of operating manual.

•Always replace the fuse with one of the same rating, voltage and type.

•Replace the mains power cord if the insulation is damaged or if the insulation shows signs of wear.

•Do not put the Product where access to the mains power cord is blocked.

•Do not use an extension cord or adapter plug.

•Do not use the Product if it operates incorrectly.

•Make sure the power cord does not touch with hot parts of the Product.

HEALTH AND SAFETY INSTRUCTIONS

•Wear appropriate protective clothing.

•Operators of this equipment should be adequately trained in the handling of hot and cold items and

liquids.

•Do not use the apparatus for jobs other than those for which it was designed, i.e. the calibration of

thermometers.

•Do not handle the apparatus when it is hot (or cold), unless wearing the appropriate protective

clothing and having the necessary training.

•Do not drill, modify or otherwise change the shape of the apparatus.

•Do not use the apparatus outside its recommended temperature range.

•If cased, do not return the apparatus to its carrying case until the unit has cooled.

•There are no user serviceable parts inside. Contact Tempsens agent for repair.

•Ensure materials, especially flammable materials are kept away from hot parts of the apparatus, to

prevent fire risk.

•Do not use the Product around explosive gas, vapor, or in damp or wet environments.

•Make sure that the space around the Product meets minimum requirements.

•Do not keep the Product in operation and unattended at high temperatures.

•Do not set anything on top of the Product. Very high temperatures can cause the ignition of

flammable materials.

•BURN HAZARD - DO NOT touch the well access surface of the unit.

•DO NOT turn off the unit at temperatures higher than 100°C. This could create a hazardous situation.

Select a set-point less than 100°C and allow the unit to cool before turning it off.

•Materials used in this furnace may be irritating to skin, eyes, and respiratory tract. Consult the

material manufacturer’s MSDS (Material Safety Data Sheet).

•HIGH VOLTAGE is used in the operation of this equipment. SEVERE INJURY OR DEATH may

result if personnel fail to observe safety precautions.

•The top sheet metal of the furnace may exhibit extreme temperatures for areas close to the well

access.

CAUTIONS

To avoid possible damage to the instrument, follow these guidelines.

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

•Overhead clearance is required. DO NOT place this instrument under a cabinet or other

structure.

•DO NOT turn the unit upside down with the inserts in place; the inserts will fall out of the unit.

•Use of this instrument at HIGH TEMPERATURES for extended periods of time requires

caution.

•Completely unattended high temperature operation is not recommended for safety reasons.

•DO NOT plug the unit into 230 V if the heater switches and fuse holder read115 V. This action

will cause the fuses to blow and may damage the instrument.

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

•DO NOT use fluids to clean out the well.

•Never introduce foreign material into the probe hole of the insert. Fluids, etc. can leak into the

calibrator causing damage.

•DO NOT change the values of the calibration constants from the factory set values. The correct

setting of these parameters is important to the safety and proper operation of the calibrator.

•DO NOT drop or force the probe stems into the well. This type of action can cause a shock to the

sensor and affect the calibration.

Chapter – 1

1.1 Introduction:

The ‘Calsys -40/50’ has been designed to provide stable and accurate temperature to enable professionals to

calibrate Temperature Sensing Devices by comparison method. The ‘Calsys -40/50’ model has been

designed to be rugged and easily maintained. This model provides an isothermal enclosure in which the

thermocouple/RTD can be calibrated against the temperature of the calibrator. For traceable calibration a

master calibration sensor should be placed into the metal block alongside the unit under calibration.

The method is widely accepted because the calibrator provides very stable temperature nearing to its

controlled point, the Master Thermocouple / RTD, which is calibrated by independent Laboratory traceable

to National standards, compares the sensor under calibration.

The ‘CALsys’ models are part of wide range of portable calibrators designed and made by us. Please contact

us in case you required more information about our other products.

1.2 Basic Working:

‘The calibrator controller uses a PT-100 RTD as a controlling sensor and controls the well temperature with

MI heater. To obtain and maintain a required temperature the controller varies the power to the heater via

solid-state relay. There is one electricity driven fan which is situated under the heating chamber for cooling

the heater. ‘In Calsys -40/50, SS chamber with cooling media is cooled with compressed refrigerant gas

system. Temperature is controlled by MI heater in the chamber & PID controller. Cooling media is agitated

to keep homogeneous temperature. The user should be familiar with the safety guidelines and operating

procedures of the calibrator as described in the User’s Manual.

Dimension:

1.3 Wiring Diagram:

Chapter - 2

2. Tech ni cal Data

2.1 Tec hnical Specificati on

Voltage 230 VAC, (50 Hz)

Power 2 KW

Supply Frequency 50/60 Hz

Temperature range -40 to 50°C

Resolution 0.1 °C

Stability ± 0.05°C

Controlling sensor Precision PRT (PT-100)

Time to reach max. Temperature 60 Min ( room temperature to -40°C )

Operating Temperature 20 to 25 °C

Medium Methanol

Stabilization time 15 to 20 min

Method of controlling Digital self-tuned PID controller

Heaters MI Heater

Computer Interface RS-232

Dimensions 105 x 105 mm

Insert Construction 150 mm

Insert depth.

Weight Approximate 65Kg

Chapter – 3

3.1 Environmental Conditions:

Although the instrument has been designed for optimum durability and trouble-free operation, it must be

handled with care. The instrument should not be operated in an excessively dusty or dirty environment.

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 less than 2000 meters

Chapter – 4

Unpacking

Our packing department uses custom designed packaging to send out your unit, but as accidents can still

happen in transit, you are advised, after unpacking the unit, to inspect it for any sign of damage, and confirm

that your delivery is in accordance with the packing note. If you find any damage or find any part missing

during delivery notify us and the carrier immediately. If the unit is damaged you should keep the packing for

possible insurance assessment.

After unpackin g you will find following items.

•

CALsys -40/50

•

RS -232 Cable

•

Manual

•

Certificates

•

Cera mic Wool

4.1 Initial Inspection:

1. Please open the carrying case carefully and takeout the operating manual from the box and read

carefully.

2. Take out the Bath carefully and keep it at suitable place.

3. Connect the power plug to the rear power entry and connect the power plug to the mains.

4. As soon as the power is ON (User main power panel) you shall observe display on the controller and

fan is ON. It shows that the bath is ready for use.

Note:

1. Please ensure that your unit is correctly connected to the electricity supply.

2. The apparatus must be correctly earthed (Grounded).

3. The unit’s ON/OFF switch is located on the power inlet. Take care NOT to switch the unit OFF when

it is hot – allow cooling first.

Chapter – 5

Operating Instruction

5.1 Power

Place the calibrator on a flat surface with at least 12 inches of free space around the instrument. Overhead

clearance is required. Do not place this unit

under a cabinet or structure. Fill the methanol (9 methanol) into the SS chamber. Plug the power cord into

mains outlet of the proper voltage, frequency typically this will be (230 VAC ±10, 50/60 Hz). Turn the

“Mains” (Heater) switch located on front panel. The controller display should illuminate after 3-4 sec. After a

brief self test the controller should begin normal operation. If the unit fails to operate please check the power

connection.

5.2 Setting the Temperature

Press “UP” or “DOWN” buttons to change the change the temperature set-point value. When the set-point

temperature is changed the controller will switch the Calsys -40/50 ON or OFF to raise or lower the

temperature. The displayed temperature will gradually change until it reaches the set point temperature. The

temperature bath requires 15 to 20 minutes to reach the set-point depending on the span. Another 10 to 15

minutes is required to stabilize the temperature bath within ± 0.1ºC of the set-point.

Note:

All other controller parameters are company set and locked. It is

recommended not to change them.

When the source is operated at any temperature above ambient, the front

face and plate become hot.

5.3 Testing

1. Fill the methanol (approx 6 ltr) into the chamber.

2. Connect the ‘Calsys -40/50’ to a suitable power supply & ON the Heater & Cooling Switch

temperature source and set the desire temperature value in PID by using UP & Down key.

3. Insert the reference (Master) temperature sensor and UUC (Unit under calibration) into the chamber.

4. PV (Present value) display in controller will gradually rise until it reaches the set point temperature. The

controller takes some times to reach the set-point depending on the span. Furnace is stable when PV is

equal to SV (Set Value).

5. Master sensor take some times to reach the setpoint temperature and stable at temperature near about

controller set temperature.

6. When temperature of the master and UUC (Unit under calibration) are stable record the readings of

master sensor.

7. Compare the UUC reading with the master’s reading & find out the error by comparison method.

8. Reset the controller and / or repeat the calibration for another calibration point or for another sensor.

9. When the calibration is complete, reset the controller to 0°C & wait until the unit has cooled to at

ambient temperature, before moving the ‘Calsys -40/50 to new location the ‘Calsys -40/50’ must be

cooled ambient temperature before it can be put back into its carrying case.

Chapter – 6

Operation of Controller

FRONT PANEL LAYOUT

Operator Buttons

(1) PID Controller

(2) ON/OFF switch of cooling

(3) Power Cable

(4) RS-232 output

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