BANTE 220 Manuel utilisateur

Bante 220 Portable pH Meter

Instruction Manual

BANTE INSTRUMENTS CO., LTD



Bante 220 Portable pH Meter

Introduction

Thank you for selecting the Bante 220 portable pH 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 0oC and less than 60oC.

●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.

Bante 220 pH Meter

E201 pH Electrode

TP-10K Temperature Probe

pH Buffer Solutions

Electrode Clip

Carrying Case

Bante 220 Portable pH Meter

Display

The 220 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.

Low battery alarm:

When the battery is depleted, the icon will disappear.

Calibration mode icon:

Indicates the meter is in the calibration mode.

Electrode slope icon:

Indicates the average slope of the pH electrode.

Setup mode icon:

Indicates the meter is in the setting mode.

Hold icon:

Indicates the measuring value has been locked.

Memory icon:

Indicates the data is stored into memory.

Automatic Temperature Compensation:

Indicates the temperature compensation is enabled.

Bante 220 Portable pH Meter

Keypad

The meter has a succinct membrane keypad, names and symbols describe the each function key controls.

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 pH and mV 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

The meter provides 3 connectors for connecting the various types of sensors. Listed in the following table are the details of these connectors.

INDEX:

NO.

CONNECTOR

DESCRIPTION

BNC Connector

Used for connecting the pH or ORP electrode

Phone Jack

Used for connecting the temperature probe

USB

Used for connecting the USB cable

Bante 220 Portable pH 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 pH or ORP electrode from the packaging. Insert the connector into the BNC connector socket on meter, rotate and push the connector

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

●Insert the connector of temperature probe into to the corresponding connector socket. Ensure the connector is fully seated.

Bante 220 Portable pH Meter

Prior to Use

Remove the protective cap from the bottom of the electrode.

●pH electrode: If the glass sensitive membrane has dried out, soak the electrode in 3M KCL solution (pH adjusted to 4.0) for at least 30 minutes.

●ORP electrode: If the sensing element has dried out, soak the electrode in 4M KCL solution for at least 20 minutes.

Power On/Off

●Press the Meas key to turn on the meter, the display shows the measured value.

●Press and hold the Meas key for 5 seconds, the meter will turn off.

To enable the Auto-Power Off function, please refer to page 6 “Setup Menu”.

Bante 220 Portable pH Meter

Setup Menu

The 220 meter contains an integrated setup menu that is used to customize the displayed option to meet measurement requirements. The following table

describes the functions of the menu items.

DESCRIPTION

OPTIONS

DESCRIPTION

DEFAULT

Calibration Points:

Set the number of calibration points.

1 point

3 points

2 points

3 points

pH Buffer:

Set the pH buffer group for calibration and

auto-recognition.

USA (pH4.01/7.00/10.01)

USA

NIST (pH4.01/6.96/9.18)

Measurement Unit:

Set the default temperature unit.

Degrees Celsius

Degrees Fahrenheit

Auto-Hold:

If enabled, the meter will automatically sense a

stable reading and lock the measurements.

Enable

Disable

Auto-Power Off:

If enabled, the meter will automatically turn off

if no key is pressed within 30 minutes.

Enable

Disable

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 a default option

1. Press and hold the key for 3 seconds to enter the setup menu and the or key to select the menu item.

2. Press the Enter key, the meter shows an option.

3. Press the or key to select the desired option, press the Enter key to confirm. Setting is completed.

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

Page

Option

Bante 220 Portable pH Meter

Temperature Compensation

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

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 oC 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.

During the setting process, 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.

ATC

Bante 220 Portable pH Meter

pH Calibration

The 220 portable pH meter allows 1 to 3 points calibration in the pH mode. We recommend that you perform at least 2 points calibration for high accuracy

measurement. The meter will automatically recognize and calibrate to following standard buffer values.

USA Standard Buffers

pH4.01, 7.00, 10.01

NIST Standard Buffers

pH4.01, 6.86, 9.18

Single point calibration should only be carried out with pH7.00 or 6.86, otherwise calibration will not be accepted.

Make sure to calibrate the meter when attaching a new electrode or during first use. DO NOT reuse the calibration solution after calibration, contaminants

in solution will affect the calibration and eventually the accuracy of the measurement.

Single point calibration

1.1 Ensure that the meter is in the pH measurement mode and you have selected 1 point calibration

in the setup menu.

1.2 Press the Cal key, the meter shows pH7.00/CAL 1 (or 6.86/CAL 1).

1.3 Rinse the pH electrode with distilled water, place the electrode (and temperature probe) into

the pH7.00 (or 6.86) buffer solution. The end of the electrode must be completely immersed

into the calibration solution. Stir the electrode gently to create a homogeneous solution. Press

the Enter key, the Calibration icon begins flashing.

1.4 Wait for the reading to stabilize, the meter automatically shows END and returns to the

measurement mode. Calibration is completed.

Bante 220 Portable pH Meter

Multi-point calibration

2.1 Ensure that you have selected 2 or 3 points calibration in the setup menu.

2.2 Repeat the steps 1.2 to 1.3 above. When the first calibration point is completed, the display

will show CAL2. The meter prompts you to continue with second point calibration.

2.3 Rinse the pH electrode with distilled water, place the electrode (and temperature probe) into

the next buffer solution. Press the Enter key, the meter automatically recognizes the

calibration solution (e.g., pH4.01) and begins the calibration, the Calibration icon continuously

flashing.

2.4 Wait for the reading to stabilize, the display will show CAL3. The meter prompts you to

continue with third point calibration.

2.5 Repeat the step 2.3 above until the display shows END. The meter automatically returns to

the measurement mode. Calibration is completed.



●During the calibration process, if the meter shows , please check the pH electrode and ensure the pH buffers are fresh and uncontaminated.

●If the electrode slope is not within the normal range (< 70% or >110%), the icon will disappear on the display.

●If you want to exit the calibration, press the Meas key.

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