DDM 900 bench thermometer, 1mK resolution

The DDM 900 is designed for precise temperature measurements as demanded in calibration-laboratory use and quality assurance.

Product features

  • Resolution: 1 mK
  • Range: -220 °C to +1200 °C
  • Pt100, -25 and Pt10-Sensors
  • User defined coefficients for ITS 90 and EN60751
  • Fast measurements: up to 8/s
  • Excellent long-time stability
  • Compensation of self heating error
  • No impairment of the measurement results through parasitic thermovoltage
  • Extensible up to 81 measuring channels
  • True 4-wire-technique with Lemo-plugs
  • High EMC
  • High data reliability in terms of sensor coefficients

Accessories such as e.g. multiplexers and sensors can be found in our reference temperature catalog. You can download it directly    here

Prijs

€5,450.00

Afmetingen en Andere waarden
Measuring range -200°C up to 962°C (according to ITS-90)-200°C up to 850°C (according to DIN EN60751)
Resolution 0,1 mK
Measuring uncertainty Pt25: 10 mK (5 mK -50°C...+250°C)Pt100: 10 mK (5 mK -50°C...+250°C)  
Measuring channels 2 (optionally up to 81 with external multiplexers)
Sensors Pt-100/Pt-25/Pt-10 in a four-conductor-technology
Connectors Lemo 1S, quadripolar, in front panel
Measuring current about 0,5 mA switched DC (about 1 mA for Pt-25)
Measuring time about 1 sec. per channel, about 0,1 sec. per channel with reduced resolution
Long-term stability 5 mK / year
Temperature coeff. 1 mK/K
Display LCD, LED backlight, 2 lines ¨¤ 16 characters, 9 mm height
Units °C, °F, K, Ohm
Interface RS-232, isolated
Operation menu orientated, alternatively controllable by your PC
Memory 128 KB (optionally 512 KB)
Suppy 230 V, 50 Hz / 115 V, 60 Hz about 15 VA
Size 300 x 160 x 300 (width x height x depth in mm)
Weight 8.00 kg
Downloads