ITS Telecom DD890 Manual
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ITS Telecom DD890 Manual

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Manometer
DD890

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Summary of Contents for ITS Telecom DD890

  • Page 1 Manometer DD890...

  • Page 2: Specifications

    Introduction The device measures Gauge/Differential Pressure from -200 mbar to 200mbar (+-80.29 in H2O), it features 11 selectable units of measure: inH 0 , psi , bar , mbar, kPa , inHg , mmHg ,ozin ,ftH 0 , cmH 0, kgcm Additional features include Data Hold.
  • Page 3 Display Dual LCD Accuracy ±0.3%FSO (25 C Repeatability ±0.2% (Max.+/ -0.5% FSO) Linearity/Hysteresis ±0.29% FSO  Pressure Range 200mbar Maximum Pressure 500mbar Response Time 0.5 Seconds typical Low Battery Indicator Over range Indicator Err.1 Under range Indicator Err.2 Operating Conditions 0 to 50 C Storage Conditions -10 to 60...

  • Page 4: Display Description

    Button The meter has six buttons. UNITS HOL D BACKLIGHT ON/OFF Display Description 1. Hold Function 2. Differential Mode 3. Primary Data screen 4. Record Mode 5. MAX/MIN/AVG 6. Low Battery indicator 7. Pressure Unit indicator 8. Relative Time Clock 9.
  • Page 5 Operation 1.Power ON/OFF Press the button to turn power on or off. The meter will perform a short self-test when turned on. The meter defaults to the setting used during the last operation. 2.Zero Adjust and Offset Before use and without fittings attached to the meter, press the button for more than 2 seconds to HOLD...
  • Page 6 HOLD Press the button again to return to normal operation. 4.Record The MAX/MIN mode allows the user to view only the highest (MAX) , lowest (MIN)or average (AVG) readings with relative time stamp. 1. Press the button once and appears on the display (All other functions are locked out except for Power &...

  • Page 7: Backlight Display

    button for 3 seconds to return to normal operation. 5.Backlight Display Backlight button to turn on the Press the backlight. It will remain on for 40 seconds. 6. Automatic Power Off The meter will automatically shut off after 20 minutes to conserve battery life. To disable Auto Power Off , hold down the HOLD button and turn on the meter on , An “n”...

  • Page 8: Battery Replacement

    Err.1: Pressure value is over the range. Err.2: Pressure value is below the range. Err.3: DIF function , the differential pressure value is over range. Err4: DIF function, the differential pressure value is below range. Battery Replacement When the battery power falls low ,“BAT” will appear on the LCD.

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