Model 650H (Low & Medium Temperatures)

Medium Temperature Dry Block Calibrator capable of Temperature Measurement from Ambient to 650°C with an Accuracy of ±1.5°C. Most popular product in Marine Market worldwide.

Medium Temperature Dry Block Calibrator

Portable / Bench-top Heavy Duty Models with an array of

Interchangeable / Multihole Thermowells ideal for quick / fast Site Calibration of RTDs / TCs / Bi-Metal Thermometers, Temperature Switches / Indicators etc. in Industrial & Marine Applications

Meets the requirements of “Safety of Life at Sea” (SOLAS IX Maintenance Regulations) & “International Safety Management” (ISM)

Specification 650 H / 650-H2 :

Features Details
Range 20°C above Ambient to 650°C
Resolution 0.1°C
Accuracy ±1.5°C
Stability 650H : ±0.5°C
650-H2 : ±0.6°C
Display Digital Display, 3½ digit LED
Stabilisation Time 25 Minutes
Well Diameter 25 mm
Immersion Depth 650H : 110 mm
650-H2 : 190 mm
Heating Time 650H : 20 Minutes
650-H2 : 40 Minutes (approx.)
Cooling Time 650H : 60 Minutes (approx.)
650-H2 : 180 Minutes (approx.)
Switch Test Facility / Supply Provided / 5V DC (open)
Interchangeable Thermowells Single hole to suit 1/4″ & 1/2″ Probes – Standard
Other Sizes / Multihole – optional
Power Supply / Consumption 650H : 230V AC / 50 Hz / 1200 W
650-H2 : 230V AC / 50 Hz / 1400 W
Instrument Dimensions (L x D x H) 650H : 160 x 330 x 350 mm
650-H2 : 160 x 365 x 450 mm
Instrument Weight 650H : 8.5 Kgs.
650-H2 : 11 Kgs.
Standard Delivery:
  1. Basic Instrument
  2. Test Leads
  3. Mains Cable
  4. Insertion Tubes (to suit 1/4“ & 1/2“ probes)
  5. Tool for Insertion Tubes
  6. Spare Fuses
  7. Traceable Calibration Certificate
  8. Instruction Manual
  9. Carrying Case
Optional accessories :
  1. RS-232 Computer Interface
  2. “Caltemp” Calibration Software
  3. Additional Thermowells / Insertion Tubes (to choose from) :
    1. Single hole standard sizes to suit :
      1. 1/8”
      2. 1/4”
      3. 3/8”
      4. 1/2”
      5. 3/4”
      6. 7/8”
      7. 3
      8. 4
      9. 5
      10. 6
      11. 7
      12. 8
      13. 10
      14. 12
      15. 13
      16. 15
      17. 17
      18. 19
      19. 21 mm probes
    2. Multihole (Typical) : (1×6 + 1×8), (3×6), (1×10 + 1×4) mm
  4. 115V AC / 60 Hz Power Supply
  5. Dual Voltage selection (115V AC & 230V AC)
  6. Calibration Certificate from NABL Accredited – as per ISO/IEC 17025:2005 Laboratory

Nagman Intruments & Electronics (P) Ltd.

Nagman, an ISO 9001:2008 Certified Company was established in the year 1972 started manufacturing RTD / TC sensors, moved on to pioneer the concept of Portable Calibrators for Temperature, Pressure & Signal selling over 50,000 so far.

Nagman, expanding on their technical expertise on portables, developed Calibration Work Stations / Test Benches – Primary & Secondary Standard Calibration Test Benches, Temperature Calibration Test Benches, Electrical & Electronics Calibration Test Benches, Multifunction/Multi-parameter Calibration Test Bench Workstations and Computer Aided Calibration Systems – comparable in design, performance, features and accuracies to reputed/established International brands. Have supplied more than 1,500 Test Benches to major industries in India & Worldwide.