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Nagman 650-H Manual

Medium temperature dry block calibrator
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MEDIUM TEMPERATURE
DRY BLOCK CALIBRATOR
650-H

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Summary of Contents for Nagman 650-H

  • Page 1 MEDIUM TEMPERATURE DRY BLOCK CALIBRATOR 650-H...
  • 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/650-H/01/22...
  • Page 3 Dear User, Thank you for selecting Nagman’s Medium Temperature Dry Block Calibrator 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 ……………7 Parts Identification with Picture ……………………………8 Connection Diagram ………………………………………….…9 Safety Instructions ………………………………………………….10 Operating Instruction ………………………………………….….16 Troubleshooting / Maintenance……………………………..21 NAG/IM/650-H/01/22...

  • Page 5: Introduction

    1. INTRODUCTION Nagman’s Medium Temperature Dry Block Calibrator – Model 650-H is used for calibrating RTD’s, Thermocouples, Temperature Switches, Temperature Indicators etc. Temperature controller Nagman 172 is used in this instrument, having two levels in the temperature profile determined as RAMP and SOAK between Set temperature point (SP) and Set time.

  • Page 6: Specification

    230V AC, 50 Hz Instrument Dimensions (L x 160 x 330 x 350 mm D x H) Instrument Weight 8.5 Kg. (approx.) Operating Temperature 15 – 40°C Range (Ambient) Storage Temperature 10 – 50°C Range Humidity Range 40 -75%RH Protection Class IP52 NAG/IM/650-H/01/22...

  • Page 7: Standard Delivery & Optional Accessories

    “Caltemp” Calibration Software  Reference Thermocouple  Dual Voltage Selection (110V & 230V AC)  Power Supply 110V AC, 60 Hz  Calibration Certificates are issued in Accordance with our Scope as granted by NABL per ISO/IEC 17025:2017 Standards NAG/IM/650-H/01/22...

  • Page 8: Parts Identification With Picture

    4. PARTS IDENTIFICATION 1. Heater Block 2. PID Controller 3. Computer Interface 4. Switch Test 5. Control Fuse 6. Selector Switch 7. Heater fuse 8. Transformer fuse 9. Main Switch NAG/IM/650-H/01/22...

  • Page 9: Connection Diagram

    5. CONNECTION DIAGRAM Temperature Sensor (UUT) Measuring Instrument (for UUT) 650-H - Universal Dry Block Medium Temperature Calibrator NAG/IM/650-H/01/22...

  • Page 10: 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/650-H/01/22...
  • Page 11 Any other use of the instrument may cause unknown hazards to the user. Do not operate near flammable materials.  Calibration Equipment should only be used by Trained  Personnel. Completely unattended operation is not recommended.  NAG/IM/650-H/01/22...
  • Page 12 Use of this instrument at HIGH TEMPERATURES for  extended periods of time requires caution The high temperature present in dry-wells designed for  operation at more than 650˚C may result in fires and cause severe burns if safety precautions are not observed. NAG/IM/650-H/01/22...
  • Page 13 If you intend to store the calibrator in the packing box  after use, you must ensure that the instrument has cooled to a temperature within the storage temperature range (10˚Cto 50 ˚C) – very close to ambient temperature before placing it in the Packing Box NAG/IM/650-H/01/22...
  • Page 14 50˚C. Use extreme care when removing hot inserts. Do not touch the handle of the calibrator during use – it  may be hot. NAG/IM/650-H/01/22...
  • Page 15 Do not remove the fuse box from the socket until the  power cord has been disconnected. If the fuse blows immediately after you have  replaced them, the calibrator should be returned to the manufacturer for service. NAG/IM/650-H/01/22...

  • Page 16: Operating Instruction

    – FACTORY CONFIGURED AND NOT TO BE USED DURING CALIBRATION The display indicator also the signs AT, OUT, RUN ALM and COM: AT : Stays ON while the controller is in tuning process. NAG/IM/650-H/01/22...
  • Page 17 To enter a particular level, simply release the “P” key when the first parameter in that level is displayed.  Factory settings (eg: Temperature Unit in C) are made for user friendly operation and not to be altered without a Trained Personnel. NAG/IM/650-H/01/22...
  • Page 18 Then it get started to reach the Set point of temperature.  Insert the sensors, which are going to be calibrated into  the corresponding hole of the insert. Allow the bath to stabilize at the set temperature.  NAG/IM/650-H/01/22...
  • Page 19 2 seconds and take your hand from “P” key after reaching “PASS” in the controller. Same procedure to be followed for changing the unit in “F” to “C”. Note : “F” key not to be used in this temperature instrument during calibration. NAG/IM/650-H/01/22...
  • Page 20 If the thermostat switch is “Normally Closed”, the LED  indication will glow and will stop glowing when the switch changes its state. If the thermostat switch is “Normally Open”, the LED  indication will not glow initially and will glow when the switch changes its state. NAG/IM/650-H/01/22...

  • Page 21: Troubleshooting / Maintenance

    Identify the heater fuse in the corresponding fuse  holders marked in the enclosure of the equipment. Open the fuse holder in anti-clockwise direction.  Replace the fuse with the main fuse rating as 6.3A  (12A for 115V) NAG/IM/650-H/01/22...
  • Page 22 The fibers may adhere to the well and damage it. 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.
  • Page 23  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...