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Nagman METCAL 1200 Manual
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Nagman METCAL 1200 Manual

Metrological dry block
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Metrological Dry Block
HIGH TEMPERATURE CALIBRATOR
METCAL 1200

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Summary of Contents for Nagman METCAL 1200

  • Page 1 Metrological Dry Block HIGH TEMPERATURE CALIBRATOR METCAL 1200...
  • Page 2 (since 1972) serving Industries in India & Worldwide thro’ the Manufacture & Supply 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. NAG/IM/Metcal 1200/01/22...
  • Page 3 Dear User, Thank you for selecting Nagman’s Sub-Zero Temperature Calibrator (Dry Block) and becoming a proud owner of this Calibration Instrument. We have strived hard to ensure the accuracy of the contents of this manual. We would appreciate any suggestions/feedback to...

  • Page 4: Table Of Contents

    CONTENTS S.No. Description Page No. Introduction …………………………………………………………..5 Specification…………………………………………………………….6 Standard Delivery & Optional Accessories ……………9 Parts Identification with Picture………………………….…10 Connection Diagram …………………………………………..…17 Safety Instructions ………………………………………………….18 Operating Instruction ………………………………………….….24 Troubleshooting / Maintenance……………………………..28 NAG/IM/Metcal 1200/01/22...

  • Page 5: Introduction

    INTRODUCTION Precision Dry block High Master Temperature Calibrator (METCAL 1200) is used for calibrating RTD’s, Thermocouples, Temperature Switches, Temperature Indicators etc. The front panel continuously shows the current Thermo well block temperature. Desired temperature is set by using keypad which gives the corresponding set value in the display.

  • Page 6: Specification

    Standard - 230V AC, 50 Hz Power Supply Optional - 110V AC, 60 Hz Switch contact Open/Close Immersion Depth 105 mm Well diameter 30 mm Weight 11.6 kg (approx.) Dimensions (L x D x H) 160 X 365 X 450 mm NAG/IM/Metcal 1200/01/22...
  • Page 7 ±(0.025% + 0.1⁰C) -60 to 1260 ±(0.025% + 0.1⁰C) 150 to 1700 ±(0.025% + 0.2⁰C) 170 to 1700 ±(0.025% + 0.2⁰C) 0 to 1300 ±(0.025% + 0.1⁰C) 920 to 1820 ±(0.025% + 0.2⁰C) 0 to 400 ±(0.025% + 0.1⁰C) NAG/IM/Metcal 1200/01/22...
  • Page 8 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. NAG/IM/Metcal 1200/01/22...

  • Page 9: Standard Delivery & Optional Accessories

    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. NAG/IM/Metcal 1200/01/22...

  • Page 10: Parts Identification With Picture

    4. PARTS IDENTIFICATION (Typical Photo) Heater Block Keypad & Display Front Panel NAG/IM/Metcal 1200/01/22...
  • Page 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) NAG/IM/Metcal 1200/01/22...
  • Page 12 Switch Test Connection details are shown below : Select menu option in keypad, press upward key, the display shows in Switch Test READ OPEN CLOSE 1. Switch test 2. Edit date/time. Enter Numeric key 1. 2. Computer Interface : To interface with Computer USB NAG/IM/Metcal 1200/01/22...
  • Page 13 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 (-) NAG/IM/Metcal 1200/01/22...
  • Page 14 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) NAG/IM/Metcal 1200/01/22...
  • Page 15 PGM KEY used to manually add - Thermocouple Cj external temperature ENTER KEY used to accept selected options or entered values. CE KEY (escape key) used to cancel a selection/edit or return to previous menu. NAG/IM/Metcal 1200/01/22...
  • Page 16 The Display is divided into four separate segments.  line indicates the set Temperature  line indicates the Read Temperature  line indicates the Input value (eg.: mVL, mVH, Volts. etc.)  line indicates input parameters unit identification. NAG/IM/Metcal 1200/01/22...

  • Page 17: Connection Diagram

    5. CONNECTION DIAGRAM (Typical photo) Temperature Sensor (UUT) Dry Block Calibrator Metcal 1200 NAG/IM/Metcal 1200/01/22...

  • Page 18: Safety Instructions

    Read the user manual before operating the instrument. Warning- conditions that may pose hazards to the user. Caution-conditions that may damage the instrument. Special Information Hot surface- areas which are at high temperature Electric shock- condition that may pose shock to the user. NAG/IM/Metcal 1200/01/22...
  • Page 19 It may cause damage due to high operating temperature of the instrument.  This instrument and the thermometer probes are sensitive instrument that can be damaged. Always handle those devices with care.  Calibration Equipment should only be used by Trained Personnel. NAG/IM/Metcal 1200/01/22...
  • Page 20 100˚C. This would create a hazardous situation. Select a set- point less than 100˚C (preferably close to the ambient temperature) allow Instrument to cool before it turning OFF.  Calibrator life time can be shortened by continuous high temperature operation. NAG/IM/Metcal 1200/01/22...
  • Page 21 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. NAG/IM/Metcal 1200/01/22...
  • Page 22  If a main power supply fluctuation occurs, immediately turn off the instrument. Power bumps from brown-outs could damage the instrument. Wait until the power has stabilized. NAG/IM/Metcal 1200/01/22...
  • Page 23 10˚C / 50˚F ambient temperature before placing it in the Packing Transporting  The Inserts must be removed to avoid damage to the instrument if the calibrator is to be transported to long distances NAG/IM/Metcal 1200/01/22...

  • Page 24: Operating Instruction

    It shows the parameters such as T/C, RTD, mA, mvL, mvH, volts, mA, ohms, kohms, T/C and RTD. Select the sensor and its type which is to be calibrated.  Choose the read-out scale (°C/°F) you require by activating the key NAG/IM/Metcal 1200/01/22...
  • Page 25 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 voltage corresponding to the ambient temperature with the INPUT voltage which is shown in the display. NAG/IM/Metcal 1200/01/22...
  • Page 26  Connect the 2wire transmitter and the external power supply to the passive terminals placed on the front panel of the calibrator.  The display will show the transmitter’s output signal in mA. NAG/IM/Metcal 1200/01/22...
  • Page 27  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. NAG/IM/Metcal 1200/01/22...

  • Page 28: Troubleshooting / Maintenance

    Socket Fuse:  Locate the main fuse in the fuse box in the socket.  Open the lid of the fuse box using a screw driver.  Replace the fuse with the same rating. NAG/IM/Metcal 1200/01/22...
  • Page 29 Over load Read value shows “OVLD” Contact Customer Sensor Open. Service. No Supply to Check the fan power Fan not supply voltage. working Fan defect Replace the fan Display shows Contact Customer “EEPROM IC Problem Service. error” NAG/IM/Metcal 1200/01/22...
  • Page 30 Adjusting and calibrating the instrument You are advised to return the calibrator to Nagman, Chennai - INDIA or to an accredited laboratory at least once a year for calibration. Returning the calibrator for Service When returning the calibrator to the manufacturer for service, please provide complete information about the problems faced for clear analysis of the problem.