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Metrological Dry Block

HIGH TEMPERATURE CALIBRATOR

METCAL 1200

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Summary of Contents for METCAL 1200

Page 1: ...Metrological Dry Block HIGH TEMPERATURE CALIBRATOR METCAL 1200 ...

Page 2: ...y since 1972 serving Industries in India Worldwide thro the Manufacture Supply of World Class Calibration Instruments Systems like Temperature Pressure Signal Calibrators Black Body Calibration Sources Pneumatic Hydraulic Hand Pumps Dead Weight Comparison Testers Calibration Test Benches etc ...

Page 3: ...stions feedback to correct any errors noticed and to improve the quality of contents of this Manual Specifications are subject to change owing to continuous development and we reserve rights to effect Changes Modifications to this Manual Read the Instructions before starting to use the Product Wishing you for a long association with us For any service related issues please contact service nagman c...

Page 4: ...escription Page No 1 Introduction 5 2 Specification 6 3 Standard Delivery Optional Accessories 9 4 Parts Identification with Picture 10 5 Connection Diagram 17 6 Safety Instructions 18 7 Operating Instruction 24 8 Troubleshooting Maintenance 28 ...

Page 5: ...nding set value in the display Proper use of the instrument will provide accurate calibration of temperature sensors Heater Block The Block is made up of Inconel and provides a relatively constant and accurate temperature environment Heaters are placed inside the tower assembly to provide heating to the sensor A high precision platinum RTD is embedded at the base of the block assembly to sense and...

Page 6: ...me 800 to 1200 C 60 minutes approx Cooling time 1200 to 800 C 30 minutes approx Cooling time 800 to 150 C 130 minutes approx Switch Test facility Provided Interchangeable Thermowell Multihole to suit 2 x 1 x Probes Other Sizes available as optional Power Supply Standard 230V AC 50 Hz Optional 110V AC 60 Hz Switch contact Open Close Immersion Depth 105 mm Well diameter 30 mm Weight 11 6 kg approx D...

Page 7: ...KOhms 0 00001 0 to 3 5k 0 025 120mΩ RTD Type Resolution Range Accuracy Pt100 0 01 100 to 800 0 025 0 1 C Pt200 0 1 100 to 600 0 025 0 15 C Pt500 0 1 100 to 530 0 025 0 1 C Pt1000 0 01 100 to 650 0 025 0 1 C Thermocouples Type Resolution Range Accuracy J 0 1 100 to 1200 0 025 0 1 C K 0 1 60 to 1260 0 025 0 1 C R 0 1 150 to 1700 0 025 0 2 C S 0 1 170 to 1700 0 025 0 2 C N 0 1 0 to 1300 0 025 0 1 C B...

Page 8: ...n excessively dusty dirty environment and explosive zones The instrument operates safely under the following conditions Operating temperature 23 2 C Storage Temperature 20 C to 40 C Ambient relative humidity 15 50 Mains voltage within 5 of nominal Minimum vibrations in the calibration environment ...

Page 9: ...hole Insertion Tubes to suit 2 x 1 x probe Tool for Insertion Tubes Computer Interface Metcal Calibration Software Calibration Certificates are issued in Accordance with our Scope as granted by NABL per ISO IEC 17025 2017 Standards Carrying Case Instruction Manual Optional Accessories Additional Thermowells Insertion Tubes Multihole Consult us ...

Page 10: ...NAG IM Metcal 1200 01 22 10 4 PARTS IDENTIFICATION Typical Photo Heater Block Keypad Display Front Panel ...

Page 11: ...NAG IM Metcal 1200 01 22 11 FRONT PANEL 1 Input for Switch Test 2 PC Interface Connector 3 Input for RTD TC mA Voltage Test 4 Power Inlet Socket 230V 50Hz ...

Page 12: ...t Switch Test Connection details are shown below Select menu option in keypad press upward key the display shows in 1 Switch test 2 Edit date time Enter Numeric key 1 2 Computer Interface To interface with Computer USB Switch Test READ 50 OPEN CLOSE 50 ...

Page 13: ...TD The RTD Input Connection details are shown below 2 Wire Use terminals BC for 2 wire with A B and C D to be short 3 Wire Use terminals A B C for 3 wire with C D to be short 4 Wire Directly insert to A B C D Thermocouple For all TC B for Positive and C for Negative mA ...

Page 14: ... Power Supply A for Positive and B for Negative Active Loop Transmitter with External Power Supply B for Positive and C for Negative Voltage B for Positive and C for Negative Note that this connection is for potential free contact 4 Power Inlet Socket Input Supply 230V AC 50 Hz ...

Page 15: ...8 Upwards Downward KEYS 5 STR KEY Store key used to store the input values Max 10 values 6 C F KEY used to select the units 7 RCL KEY Recall key used to recall the stored input values using increment and decrement 9 PGM KEY used to manually add Thermocouple Cj external temperature 10 ENTER KEY used to accept selected options or entered values 11 CE KEY escape key used to cancel a selection edit or...

Page 16: ...e Display is divided into four separate segments 1st line indicates the set Temperature 2nd line indicates the Read Temperature 3rd line indicates the Input value eg mVL mVH Volts etc 4th line indicates input parameters unit identification ...

Page 17: ...NAG IM Metcal 1200 01 22 17 5 CONNECTION DIAGRAM Typical photo Temperature Sensor UUT Dry Block Calibrator Metcal 1200 ...

Page 18: ...Read the user manual before operating the instrument 2 Warning conditions that may pose hazards to the user 3 Caution conditions that may damage the instrument 4 Special Information 5 Hot surface areas which are at high temperature 6 Electric shock condition that may pose shock to the user ...

Page 19: ...is instrument in an excessively wet oily dusty or dirty environment and explosive zones Do not operate near flammable materials Do not slam the probe sheath into the thermo well It may cause a shock to the sensor and affect the calibration Do not leave the inserts in the instrument for prolonged periods It may cause damage due to high operating temperature of the instrument This instrument and the...

Page 20: ...e bottom of the Instrument is out of order Always operate this instrument at room temperature at 23 2 C Allow sufficient air circulation for the instrument by leaving at least 6 inches 15cm of clearance around the instrument Do not turn off the instrument at temperatures higher than 100 C This would create a hazardous situation Select a set point less than 100 C preferably close to the ambient tem...

Page 21: ...o well or the Insert while the calibrator is heating up they may be very hot Do not touch the tip of the sensor when it is removed from the Insert thermo well it may be very hot Do not touch the well access surface of the instrument Do not touch the handle of the calibrator during use it may be hot ...

Page 22: ... a properly grounded three pin socket The receptacle must be installed in accordance with local codes and ordinances Do not use an extension cord or adapter plug Always replace the power cord with an approved cord of correct rating and type If supplied with user accessible fuses always replace the fuse with one of the same rating voltage and type If a main power supply fluctuation occurs immediate...

Page 23: ...g condition Storing Switch OFF the calibrator using the power control switch If you intend to store the calibrator in the Packing Box after use you must ensure that the instrument has cooled to a temperature at least close to 10 C 50 F ambient temperature before placing it in the Packing Box Transporting The Inserts must be removed to avoid damage to the instrument if the calibrator is to be trans...

Page 24: ...or Calibration Insertion tube diameter is selected according to the diameter of the sensor to be calibrated The fan should begin quietly blowing air through the instrument after the illumination of controller display Sensor is inserted in the insertion tube Display shows SET as 0 C and READ as Room Temperature Select the required parameters by pressing SELECT option in the keypad It shows the para...

Page 25: ...ll heard and a tick mark will appear in the display This indicates that you have achieved the stable thermowell temperature Now you can take the readings Connect the RTD probes to the corresponding terminals in the front plate of the instrument Display shows the bath temperature as the INPUT parameter which corresponds to the READ temperature Note If you select mvL or mvH while using T C add the v...

Page 26: ...ibrator The display will show the transmitter s output signal in mA Compare the SET temperature and the output signal of the transmitter Connection of active 2 wire mA transmitter with external power supply Press Select key and select mA parameter using the numeric keys 1 9 Place the 2 wire transmitter into a correct sized insert in the heating thermowell and set the desired calibration temperatur...

Page 27: ...ct sized insert in the heating thermo well Connect the terminals placed on the front panel of the calibrator to the thermostat switch to be powered and calibrated Switch calibrator ON Ensure that thermostat is not connected to any other voltage supply Select required temperature When SET point of the thermostat is obtained the display will show open close condition ...

Page 28: ...hich may damage the paint It is important to keep the thermowell of the calibrator clean and clear of any foreign matter Do not use fluid to clean out the thermowell If a hazardous flammable or any material particle spilt on or inside the equipment the user is responsible for taking the suitable steps to clean the equipment Do not use fluids to clean out the thermowell It may leak into the instrum...

Page 29: ...ure the power switch ON Ensure 5V to the display Fuse Open Check the fuse if defective replace the fuse of same rating 2 Read value shows OVLD Over load Check 15V DC in power board Sensor Open Contact Customer Service 3 Fan not working No Supply to Fan Check the fan power supply voltage Fan defect Replace the fan 4 Display shows EEPROM error IC Problem Contact Customer Service ...

Page 30: ...lems faced for clear analysis of the problem The calibrator should be returned in the original packing Nagman s liability ceases if Parts are replaced repaired using spare parts which are not identical to those recommended by the manufacturer Nagman s liability is restricted to errors that originated from the factory For more details write to NAGMAN INSTRUMENTS AND ELECTRONICS PRIVATE LIMITED 170 ...

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