Smart Sensor AR8407 Specifications & Buying Guide Malaysia

 

The Smart Sensor AR8407 is a portable multifunction water-quality detector designed for applications requiring several commonly monitored parameters in one system.

 

It covers:

 

Dissolved Oxygen (DO)

 

pH

 

Ammonia Nitrogen

 

Nitrite

 

Temperature

 

This makes AR8407 particularly relevant to aquaculture, fish farming, shrimp farming, hatcheries, laboratory testing, agriculture, environmental monitoring and field water-quality inspection.

 

Before buying, however, compare its specifications with your actual measurement requirements.

 

Smart Sensor AR8407 Specifications

 

Parameter / FeatureSpecificationDissolved Oxygen Range0–30.0 mg/LDO Resolution0.1 mg/LDO Accuracy±3.0% FSpH Range3.5–11.0pH Resolution0.1pH Accuracy±0.2Ammonia Nitrogen Range0–1.00 mg/LAmmonia Resolution0.01 mg/LAmmonia Accuracy±5% or 0.01 mg/LNitrite Range0–1.00 mg/LNitrite Resolution0.01 mg/LNitrite Accuracy±5% or 0.01 mg/LTemperature Range0–50°CTemperature Accuracy±0.5°CSalinity Compensation0–42 pptAltitude Compensation0–3500 mData Storage99 Groups – ManualDO Probe CableApprox. 3.5 mPower Supply4 × AAA BatteriesDisplayBacklit DisplayAuto Power OffApprox. 1 Hour

 

What Does AR8407 Actually Measure?

 

AR8407 provides five key measurements:

 

1. Dissolved Oxygen

 

Range:

 

0–30.0 mg/L

 

Resolution:

 

0.1 mg/L

 

Accuracy:

 

±3.0% FS

 

DO is particularly important for:

 

Fish Farms

 

Shrimp Farms

 

Hatcheries

 

RAS Systems

 

Environmental Water Monitoring

 

2. pH

 

Range:

 

3.5–11.0

 

Resolution:

 

0.1

 

Accuracy:

 

±0.2

 

pH provides important information about water conditions and is particularly useful when interpreted together with:

 

Temperature

 

and:

 

Ammonia Nitrogen

 

3. Ammonia Nitrogen

 

Range:

 

0–1.00 mg/L

 

Resolution:

 

0.01 mg/L

 

Accuracy:

 

±5% or 0.01 mg/L

 

For aquaculture applications, ammonia monitoring can help investigate changes related to:

 

Feed loading

 

Fish waste

 

Stocking density

 

Organic accumulation

 

Biological filtration

 

Water management

 

4. Nitrite

 

Range:

 

0–1.00 mg/L

 

Resolution:

 

0.01 mg/L

 

Accuracy:

 

±5% or 0.01 mg/L

 

A simplified nitrogen pathway is:

 

Ammonia → Nitrite → Nitrate

 

This makes ammonia and nitrite useful parameters to monitor together when investigating nitrogen-related changes.

 

5. Temperature

 

Range:

 

0–50°C

 

Accuracy:

 

±0.5°C

 

Temperature provides important context for:

 

DO

 

Aquaculture conditions

 

Biological activity

 

Ammonia interpretation

 

It should not be treated as an unimportant secondary reading.

 

Important: Understand the AR8407 Measurement Methods

 

This is one of the most important points before purchasing.

 

AR8407 is a multifunction water-quality instrument.

 

However:

 

It does not mean one electronic probe simultaneously measures every listed parameter.

 

The dissolved oxygen measurement uses the DO probe system.

 

The pH, ammonia nitrogen and nitrite functions use their corresponding test/reagent procedures specified for the AR8407.

 

Therefore, buyers should understand the actual testing workflow before choosing the instrument.

 

AR8407 Dissolved Oxygen Probe

 

The DO probe cable is approximately:

 

3.5 metres

 

This is useful for field applications where the measurement point may not be immediately beside the operator.

 

Examples include:

 

Fish ponds

 

Shrimp ponds

 

Large tanks

 

Hatchery tanks

 

Reservoirs

 

Treatment tanks

 

Environmental sampling points

 

For aquaculture users, cable length can be an important practical specification.

 

Automatic Temperature Compensation

 

AR8407 provides:

 

Automatic Temperature Compensation

 

for its dissolved oxygen measurement system.

 

Temperature affects DO conditions, so temperature compensation is an important part of practical DO measurement.

 

Salinity Compensation

 

AR8407 provides:

 

Salinity Compensation: 0–42 ppt

 

This is particularly relevant when DO is measured under different salinity conditions.

 

However, buyers must understand:

 

Salinity compensation does NOT mean AR8407 measures salinity.

 

If you require an actual salinity reading, use an appropriate salinity meter or multi-parameter instrument that includes salinity measurement.

 

Altitude Compensation

 

AR8407 provides:

 

Altitude Compensation: 0–3500 m

 

Altitude can influence dissolved oxygen measurement conditions.

 

This compensation function allows the instrument to account for different elevations within its specified operating capability.

 

99 Groups of Manual Data Storage

 

AR8407 supports:

 

99 groups of manually stored data.

 

This can be useful when checking:

 

Multiple ponds

 

Multiple tanks

 

Several sampling points

 

Different treatment stages

 

For example:

 

Pond 01 → Reading

 

Pond 02 → Reading

 

Pond 03 → Reading

 

Tank 01 → Reading

 

Tank 02 → Reading

 

For long-term monitoring, users should still maintain organized external records.

 

Backlit Display

 

The instrument includes a:

 

Backlit display

 

which can improve readability during field use and lower-light inspection conditions.

 

For aquaculture users performing early-morning DO checks, display visibility can be a practical consideration.

 

Battery Power

 

AR8407 uses:

 

4 × AAA batteries

 

This supports portable field use without requiring a permanent power supply at each pond or tank.

 

That can be useful for technicians travelling between multiple monitoring locations.

 

Automatic Power-Off

 

The instrument provides automatic power-off after approximately:

 

1 hour

 

This helps reduce unnecessary battery consumption during field use.

 

Who Is AR8407 Designed For?

 

Potential users include:

 

Fish Farmers

 

Shrimp & Prawn Farmers

 

Aquaculture Technicians

 

Fish Hatcheries

 

Aquaculture Nurseries

 

RAS Operators

 

Agricultural Projects

 

Environmental Monitoring Teams

 

Laboratories

 

Research Applications

 

The actual suitability depends on required range, method and accuracy.

 

Is AR8407 Suitable for Fish Farming?

 

AR8407 is particularly attractive when a fish farm needs routine portable measurements of:

 

DO

 

pH

 

Ammonia

 

Nitrite

 

Temperature

 

Instead of carrying only a DO meter, the operator can investigate several related water-quality conditions.

 

This can be useful for:

 

Routine monitoring

 

Troubleshooting

 

Multiple-pond inspection

 

Before/after operational checks

 

Is AR8407 Suitable for Shrimp Farming?

 

AR8407 can be useful for shrimp and prawn farms requiring:

 

DO + pH + Ammonia + Nitrite + Temperature

 

Its DO system also includes:

 

0–42 ppt salinity compensation.

 

But remember:

 

AR8407 does not provide actual salinity measurement.

 

Shrimp farms that need salinity readings should add a suitable salinity meter.

 

Is AR8407 Suitable for RAS?

 

For RAS applications, AR8407 can serve as a:

 

Portable Spot-Check Meter

 

Troubleshooting Instrument

 

Multi-Point Inspection Tool

 

Verification Meter

 

Operators can compare measurements at:

 

Culture Tank

 

Biofilter Inlet

 

Biofilter Outlet

 

Aeration Section

 

Return Water

 

Critical RAS systems may still require fixed continuous sensors and automatic alarms.

 

AR8407 vs Dedicated DO Meter

 

Choose a dedicated DO meter when:

 

✓ DO is the primary requirement

 

✓ You require specialized DO specifications

 

✓ You already own separate water-quality instruments

 

✓ You want a dedicated backup DO meter

 

Consider AR8407 when:

 

✓ DO is required

 

✓ pH is also required

 

✓ Ammonia monitoring is required

 

✓ Nitrite monitoring is required

 

✓ Portable multi-parameter testing is preferred

 

AR8407 vs Basic pH Meter

 

If your only requirement is pH:

 

Buy an appropriate pH meter.

 

If your requirement is:

 

pH + DO + Ammonia + Nitrite + Temperature

 

then AR8407 becomes much more relevant.

 

Do not choose based on the number of functions alone.

 

Choose based on your actual monitoring requirements.

 

What AR8407 Does NOT Replace

 

AR8407 should not automatically be treated as a replacement for:

 

Continuous Online DO Monitoring

 

Automatic Alarm Systems

 

Laboratory Analytical Equipment

 

Regulatory-Specified Testing Methods

 

Dedicated Salinity Meter

 

EC Meter

 

TDS Meter

 

Turbidity Meter

 

Different applications require different equipment.

 

5 Things to Check Before Buying AR8407

 

1. Measurement Parameters

 

Do you actually need:

 

DO + pH + Ammonia + Nitrite + Temperature?

 

If yes, AR8407 deserves consideration.

 

2. Measurement Range

 

Check:

 

Ammonia: 0–1.00 mg/L

 

Nitrite: 0–1.00 mg/L

 

against your expected sample concentrations.

 

3. Measurement Method

 

Understand that pH, ammonia and nitrite use their specified test/reagent procedures.

 

4. Portable or Continuous?

 

AR8407 is designed for portable testing.

 

If you need:

 

24/7 monitoring + alarms

 

consider a continuous monitoring system.

 

5. Additional Parameters

 

Ask whether you also need:

 

Salinity

 

EC

 

TDS

 

Turbidity

 

or other parameters.

 

If yes, additional instruments may be required.

 

AR8407 Buying Decision

 

AR8407 makes the most sense when the requirement is:

 

Portable

 

Multiple Sampling Locations

 

DO

 

pH

 

Ammonia Nitrogen

 

Nitrite

 

Temperature

 

This is a strong combination for general aquaculture field monitoring.

 

When Should You Choose Another Model?

 

Choose another instrument when:

 

Required range falls outside AR8407 specifications

 

Higher or specialized accuracy is required

 

A specific analytical method is required

 

Continuous measurement is required

 

Actual salinity measurement is required

 

EC/TDS/turbidity is the main requirement

 

The correct instrument is the one that matches the application—not necessarily the model with the most functions.

 

Smart Sensor AR8407 Supplier Malaysia

 

MTM Precision supplies the Smart Sensor AR8407 Multifunction Water Quality Meter for applications including:

 

Aquaculture

 

Fish Farming

 

Shrimp Farming

 

Fish Hatcheries

 

RAS Systems

 

Agriculture

 

Environmental Monitoring

 

Laboratory & Field Water Testing

 

MTM Precision also supplies instruments for:

 

Dissolved Oxygen

 

pH

 

EC

 

TDS

 

Salinity

 

Ammonia

 

Nitrite

 

Turbidity

 

and other water-quality parameters.

 

Before purchasing AR8407, send us:

 

1. Application

 

2. Water type

 

3. Parameters required

 

4. Expected measurement range

 

5. Number of ponds or tanks

 

6. Portable or continuous monitoring requirement

 

We can help determine whether Smart Sensor AR8407 or another water-quality instrument better matches your application.

 

Contact MTM Precision

 

MTM Precision Sdn Bhd

 

Website: www.mtmpre.com.my

Email: mtmpre@yahoo.com

WhatsApp: 016-660 7346

 

Showroom & Service Centre

 

No. 29-1 & 29-2, Jalan Bandar 18,

Pusat Bandar Puchong,

47160 Puchong, Selangor, Malaysia

 

Supplying water-quality testing instruments across Selangor, Kuala Lumpur, Johor, Penang, Perak, Melaka, Negeri Sembilan, Pahang, Kedah, Perlis, Terengganu, Kelantan, Sarawak and Sabah.