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Hach SD900 User Manual
Also see for SD900: Basic user manual
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Contents
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Option DescriptionSetup base Select the sampler base (All weather refrigerated, refrigerated, portable standard orportable compact).Language Select the language of the controller.Liq sensor cal Calibrate the liquid sensor or set to default.Set contrast Adjust the contrast of the LCD screen.Pump duty cycle Change the pump duty cycle. Range: 50% to 100% (default: 100%).Password setup Set up a password to control access to the program setup and the system setup menus.Select ENABLE>YES to set a new password or ENABLE>NO to activate the currentpassword. If the password is set for the first time, use 900900 as the current password.Tubing life Set a reminder when the pump tubing is to be changed. Go to ENABLE>RESETCYCLES to reset the pump cycle count to 0. Go to ENABLE>CYCLE LIMIT to changethe number of pump cycles that is used for the reminder. Go to ENABLE>STATUS toshow the current number of pump cycle counts.SDI–12 (optional) Configure the operation of an SDI–12 device. This option is shown only when a device isfound.Configure the SDI-12 deviceA sensor such as a sonde can connect to the optional SDI-12 interface. The controller can get up tonine measurements from one SDI-12 sensor. The sensor data can then be used as a trigger insetpoint sampling applications. Configure the parameter type and unit, and set how often theSDI-12 device is scanned for new measurement data.1. Select Menu>System Setup>SDI-12.Note: The SDI-12 option is only shown when an SDI-12 device is found by the controller.2. Select one of the options:Option DescriptionDISPLAY SONDE Shows information about the device such as the vendor name, model name,SDI-12 address, protocol version, number of available measurements and the warm-up time.CFG PARAMETERS Gives a name and measurement unit to the SDI-12 channel. Each channel is initiallyshown with a generic reference indicator in the same order that is set in theSDI-12 device. Table 2 shows the measurements that are supported by the controller.Note: It may be necessary to configure the SDI-12 interface for the sonde.SCAN INTERVAL Sets the time interval when measurement data is refreshed in the controller. Shorttime intervals decrease the battery life.Table 2 Supported measurementsMeasurement Unit Resolution1Ammonia (NH3) mg/L-N x.xxAmmonium (NH4+) mg/L-N, mV x.xxxxChloride (Cl-) mg/L-N, mV x.xxxxChlorophyll μg/L, V x.xxConductivity mS/cm, μS/cm x.xxxDissolved oxygen (DO) mg/L, % saturation x.xx1 The number of decimal places shown on the controller display18 English |
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