Bante Instruments 904P Bedienungsanleitung

Bante904P Portable Conductivity/DO Meter

Instruction Manual

BANTE INSTRUMENTS CO., LTD

Bante904P Portable Conductivity/DO Meter

Introduction

Thank you for selecting the Bante904P portable conductivity/dissolved oxygen meter. This manual provides a step-by-step guide to help you operate the

meter, please carefully read the following instructions before use.

Unpacking

Before unpacking, ensure that the current work environment meets following conditions.

•Relative humidity is less than 80%.

•Ambient temperature is greater than 0°Cand less than 60°C.

•No potential electromagnetic interference.

The following list describes the standard components of the meter. After the unpacking, please check all components are complete. If any are damaged or

missing, please contact nearest distributor.

Bante904P Conductivity/DO Meter

CON-1 Conductivity Electrode

DO100 Dissolved Oxygen Probe

TP-10K Temperature Probe

Conductivity Standard Solutions

DO Membrane Cap

DO Electrolyte Solution

Electrode Clip

Carrying Case

Bante904P Portable Conductivity/DO Meter

Display

The Bante904P portable conductivity/dissolved oxygen meter is equipped with an easy-read LCD display that used to show the measured values and mode

icons. The following table describes the function of each icon.

INDEX:

Measurement mode icon:

Indicates the meter is in the measurement mode.

Stable icon:

Indicates the measuring value has stabilized.

Calibration mode icon:

Indicates the meter is in the calibration mode.

Hold icon:

Indicates the measuring value has been locked.

Setup mode icon:

Indicates the meter is in the setting mode.

Calibration Due Alarm:

Prompts the user to calibrate the meter.

Memory icon:

Indicates the data is stored into memory.

Automatic Temperature Compensation:

Indicates the temperature compensation is enabled.

Low battery alarm:

When the battery is depleted, the icon will disappear.

Bante904P Portable Conductivity/DO Meter

Keypad

KEY

FUNCTION

•Switches the meter ON/OFF.

•Locks the measured value, press the key again to resume measuring.

•Exits the calibration or setting and returns to measurement.

•Toggles between available measurement modes.

•Sets the temperature (Press and hold the key for 3 seconds).

•Starts calibration.

•Enters the setup menu (Press and hold the key for 3 seconds).

•Stores current reading to memory.

•Increase value or scroll up through the menu item.

•Views the calibration report or data logs.

•Decrease value or scroll down through the menu item.

•Confirms the calibration, settings or displayed options.

•Turn on/off the backlight (Press and hold the key for 3 seconds).

Connectors

INDEX:

NO.

CONNECTOR

DESCRIPTION

6-pin Connector

Used for connecting the conductivity electrode or dissolved oxygen probe

Phone Jack

Used for connecting the temperature probe

USB

Used for connecting the USB cable

Bante904P Portable Conductivity/DO Meter

Installing the Batteries

•Remove the battery cover from backside of the meter.

•Insert three AA batteries into the battery compartment, note polarity.

•Replace the battery cover into its original position. Installation is completed.

When the batteries are depleted, the meter allows using the DC5V power adapter with USB cable for power supply. NOTE, take out the batteries.

Connecting the Sensors

Take out the electrode from the carrying case.

•Conductivity Electrode or Dissolved Oxygen Probe: insert the connector into the 6-pin connector socket, ensure the connector is fully seated.

•Temperature Probe: insert the connector into to the corresponding connector socket.

After the connection is completed, DO NOT pull on the cable. Always make sure that connector is clean and dry.

Bante904P Portable Conductivity/DO Meter

Filling the Electrolyte Solution

1. Take out the electrolyte solution from the carrying case. Unscrew the membrane cap from the buttom of the dissolved oxygen probe.

2. Fill the membrane cap halfway with electrolyte solution.

3. Screw the membrane cap onto the probe, excess electrolyte solution will drain out.

4. Be sure the cathode of probe makes contact with membrane cap, the electrolyte solution in membrane cap should be without an air bubble.

Prior to Use

Remove the protective cap from the bottom of the electrode.

•Conductivity Electrode:

Soak the electrode for a few minutes in tap water to remove dirt and oil stains on the electrode.

•Dissolved Oxygen Probe:

Connect the probe to meter, turn on the meter 10 to 15 minutes and wait for the probe to polarize.

Cathode

Bante904P Portable Conductivity/DO Meter

Switching the Meter On and Off

•Press the Meas key to switch on the meter, the display shows the measured value.

•Press and hold the Meas key for 5 seconds, the meter will switch off.

Setup Menu

The Bante904P portable conductivity/dissolved oxygen meter contains an integrated setup menu that is used to customize the displayed option to meet

measurement requirements. In the different modes, the meter will show the corresponding options. The following table describes the functions of the

menu items.

CONDUCTIVITY/TDS/SALINITY/RESISTIVITY MODE:

DESCRIPTION

OPTIONS

DESCRIPTION

DEFAULT

Cell Constant:

Set the cell constant to match connected electrode.

K=0.1

K=1

K=10

User-Defined

Temperature Coefficient:

Set the linear temperature compensation coefficient.

Range: 0.0~10.0%/°C

2.10

Calibration Points:

Set the number of calibration points.

1 point

2 points

3 points

4 points

5 points

Pure Water Coefficient:

When the option is enabled, pure water coefficient

will be applied automatically for ultra-pure water

measurements.

Enable

Disable

Reference Temperature:

Set the normalization temperature for conductivity

measurement and calibration.

25°C

20°C

TDS Factor:

Set the default TDS conversion factor.

Range: 0.40~1.00

0.5

Measurement Unit:

Set the default temperature unit.

Degrees Celsius

°C

Degrees Fahrenheit

Bante904P Portable Conductivity/DO Meter

DISSOLVED OXYGEN MODE:

DESCRIPTION

OPTIONS

DESCRIPTION

DEFAULT

Calibration Points:

Set the number of calibration points.

1 point

2 points

Pressure Coefficient:

Set the barometric pressure coefficient.

Range: 450~850mmHg or

60.0~113.3kPa

760mmHg

Salinity Coefficient:

Set the salinity coefficient.

Range: 0.0~50.0ppt

0.0ppt

Resolution:

Set the resolution of the DO measurement.

0.01mg/L (0.1%)

0.01mg/L

0.1mg/L (1%)

Measurement Unit:

Set the default measurement units.

Degrees Celsius

°C

mg/L

mmHg

Degrees Fahrenheit

mg/L

Milligrams per liter

ppm

Parts per million

mmHg

Pressure unit

kPa

Pressure unit

GENERAL OPTIONS:

DESCRIPTION

OPTIONS

DESCRIPTION

DEFAULT

Stability Criteria:

When the LO option is enabled, the Stable icon will

quickly appear on the display.

When the HI option is enabled, the icon will take

longer to appear, but guarantees high accuracy of

the measurement.

Low

High

Auto-Hold:

When the option is enabled, the meter will

automatically sense a stable reading and lock the

measurements.

Enable

Disable

Auto-Power Off:

When the option is enabled, the meter will

automatically turn off if no key is pressed within a

specified time period.

10 minutes

Disable

20 minutes

30 minutes

Disable

Bante904P Portable Conductivity/DO Meter

Calibration Due:

When the option is enabled, if the meter does not

calibrated within a specified time period, the meter

will automatically show the icon.

…

1 to 31 days

Disable

Date and Time:

Set the current date and time.

---

Year-month-day, hour-minutes

Clear Stored Data:

Delete all stored readings in the memory.

Enable

Disable

Factory Reset:

If enabled, all of the calibration data and selected

parameters will back to factory default settings,

the meter must be recalibrated.

Enable

Disable

Setting the default option

1.1 Press and hold the key for 3 seconds to enter the setup menu and the or key to select the menu item (e.g., CELL/P-01).

1.2 Press the Enter key, the display shows an option.

1.3 Press the or key to select the desired option.

1.4 Press the Enter key to confirm, the meter returns to the measurement mode. Setting is completed.

If you want to exit the setting, press the Meas key.

Setting the date and time

2.1 Press and hold the key for 3 seconds to enter the setup menu and the or key until the display shows “DATE”.

2.2 Press the Enter key, the meter shows current year (e.g., 2018).

2.3 Press the or key to set year and the Enter key to confirm, the display shows current date and time (Format: month-day, hour-minutes).

2.4 Press the or key to set the date and time, press the Enter key to confirm until the meter returns to the measurement mode. Setting is

completed.

Page

Option

Bante904P Portable Conductivity/DO Meter

Temperature Compensation

In order to get accurate measuring results, we recommend that using a temperature probe for the calibration and measurements. Note, the dissolved oxygen

probe has a built-in temperature sensor. You do not need to use the supplied temperature probe.

Automatic Temperature Compensation

Connect the temperature probe to the meter (Refer to page 4 “Connecting the Sensors”). The ATC icon immediately appears on the display, the meter is now

switched to the automatic temperature compensation mode.

Manual Temperature Compensation

If the meter does not detect a temperature probe, the °C icon will show on the display indicating that the meter is switched to the manual temperature

compensation mode. To set the temperature value of sample, follow the steps below.

1. Press and hold the oCkey for 3 seconds to enter the temperature setting mode.

2. Press the or key to modify the temperature value.

3. Press the Enter key to confirm.

Press the or key once, the setting value will increase or decrease by 0.1. Press and hold the or key, the setting value will increase or

decrease by 1.

Year

Date

Time

ATC

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