FAQ - Frequently Asked Questions

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Frequently Referenced FAQ

Latest FAQ

FAQ within [ Detector ]

251-260 of Total 266

≪ 26 / 27page ≫

  • Noise is at least ten times higher when using the two-wav...

    Are changes in the mobile phase absorbance level measured at extremely large wavelength levels? Because this detector detects two wavelengths during... Show Detail

    • No：4269
    • Date of Issue：2020/12/03 09:24

  • Noise Appears in Baseline

    Tighten the leaking connection. There might be bubbles in the cell. Remove bubbles from inside the flow cell. «How to Remove Bubbles from Inside the Fl... Show Detail

    • No：4275
    • Date of Issue：2020/12/03 10:03
    • Brached FAQ

  • Cell Temperature Control Failure

    Make sure the connector is connected securely. Specify an appropriate cell temperature-control temperature. The cell temperature-control setting range vari... Show Detail

    • No：4287
    • Date of Issue：2020/12/03 10:34
    • Brached FAQ

  • Light level is low

    Confirm whether the baseline changes significantly when the cell outlet pipe is blocked. Alternatively, visually check for any bubbles flowing in the flow ce... Show Detail

    • No：4288
    • Date of Issue：2020/12/03 10:36
    • Brached FAQ

  • No peaks are output

    Check the column using known analytical conditions. If the column has deteriorated, replace it. Confirm whether the solvent delivery pump is functioning pr... Show Detail

    • No：4292
    • Date of Issue：2020/12/03 10:49
    • Brached FAQ

  • The baseline drifts

    Inspect the suction filter for blockage. Also rinse them as described below. 1) Flush with 17 % aqueous phosphate solution for about 30 minutes at a flowr... Show Detail

    • No：4294
    • Date of Issue：2020/12/03 10:57
    • Brached FAQ

  • The baseline does not change

    Specify an appropriate range value. Set [LAMP] to [D2]. The light source lamp illuminates. Click the [ZERO] button in the [RUN] window. Adjust the zero p... Show Detail

    • No：4297
    • Date of Issue：2020/12/03 11:01
    • Brached FAQ

  • Noise level is high

    Check the light level. If the light level is low even with an air cell or if the lamp has been operated for more than 2000 hours, then replace the lamp. ... Show Detail

    • No：4298
    • Date of Issue：2020/12/03 11:03
    • Brached FAQ

  • Cyclic spiky noise is output

    Check whether the noise disappears when solvent delivery stops. Check the solvent delivery flow status (pulsation). If pulsation is large, rinse the flow ch... Show Detail

    • No：4299
    • Date of Issue：2020/12/03 11:05
    • Brached FAQ

  • Sawtooth-shaped noise occurs

    Check whether the noise disappears when solvent delivery stops. Check the solvent delivery flow status (pulsation). If pulsation is large, rinse the flow ch... Show Detail

    • No：4300
    • Date of Issue：2020/12/03 11:06
    • Brached FAQ

251-260 of Total 266

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