DIGITAL PH METER (HANDHELD) 131, 132 & 133

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DIGITAL PH METER (HANDHELD) 131, 132 & 133

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DIGITAL PH METER (HANDHELD) 131, 132 & 133 Specification

Frequency
50 Hz

Power Source
Battery Operated

Temperature Range
0C to 100C

Voltage
220 V

Core Components
Microprocessor, LCD Display, Glass Electrode

Model No
131, 132, 133

Automation Grade
Manual

Accuracy
100 %

Feature
Highly Efficient

Measurement Range
pH 0-14

Equipment Materials
Plastic body, Glass electrode

Type
Handheld Digital pH Meter

Usage
Laboratory

Display Type
Digital

Dimension (L*W*H)
170 x 75 x 25 mm

Weight
Approx. 300 grams

Resolution
0.01 pH

Probe Cable Length
1 meter

Battery Type
9V DC Battery

Electrode Life
~6-12 months (Typical Use)

Stability
0.02 pH/hour

Additional Product Specifications

Display Size
16 x 2 lines LCD

Portability
Handheld & Lightweight

Response Time
<5 seconds

Operating Humidity
Up to 80% RH

Input Impedance
>1012 Ohms

Sample Volume Required
Minimum 20 ml

Operating Temperature
5C to 45C

Calibration
Manual, up to 3 points

About DIGITAL PH METER (HANDHELD) 131, 132 & 133

FEATURES

ABS Plastic Body

3 digit LCD display

Rugged Portability

pH measurements

Auto Power Off (in Model-133 only)

Auto Temperature Compensation (in Model-132 & 133)

Designed in ABS Plastic to provide the rugged portability matched in fields with the accuracy demanded in the laboratory. A beautiful carrying case holds every thing needed in the field operation. These are useful test instruments to measure pH of any solution in the fields, laboratory or plant, pH meter with chargeable battery, ATC (in Model 132 only) and auto power cut off is also available (in Model 132 & 133)

SPECIFICATIONS : -

	Digital pH Meter - 131	Digital pH Meter - 132	Digital pH Meter - 133
Range	0 - 14 pH
Resolution	0.01 pH
Impendence	> 10¹² ohms
Sensor	Combination pH Electrode
Temp. Compensation	Manual: 0 - 100 ^oC	Auto: 0 - 100 ^oC
Accuracy	0.01pH
ATC	-	Temp. Probe: 0 - 100 ^oC
Display	3 Digit LCD		3 Digit LCD Auto Power Off
Battery	9V DC
Dimensions (L x B x H)	180 x 85 x 30 mm (Approx.)

Note : Specifications are subject to change due to continuous improvements.

Exceptional Measurement Precision

These digital pH meters deliver reliable and highly accurate readings with a resolution of 0.01 pH and stability of 0.02 pH/hour, ensuring consistent results across multiple applications. Their microprocessor-controlled system and advanced glass electrode contribute to the overall efficiency and dependability, making them ideal for routine laboratory use where accuracy is paramount.

User-Friendly Operation and Portability

The handheld design, lightweight body (approx. 300 grams), and battery-powered operation enhance mobility, allowing easy transport between test sites and laboratories. The straightforward manual calibration, combined with a large LCD display, simplifies usage and readout, even for novice users, while the 1-meter probe cable ensures flexibility during measurements.

Versatile Applications and Durability

Optimized for laboratory and field scenarios, these meters accommodate a range of pH testing needs from pH 0 to 14 and temperatures spanning 0C to 100C. With robust materials like a durable plastic body and long-lasting glass electrode (612 months typical use), the instrument is built to withstand rigorous daily usage while maintaining high performance.

FAQs of DIGITAL PH METER (HANDHELD) 131, 132 & 133:

Q: How do I calibrate the DIGITAL PH METER (HANDHELD) models 131, 132, and 133?

A: Calibration is performed manually and can be conducted at up to three points using standard buffer solutions. Follow the instruction manual to calibrate, ensuring accuracy over the full pH 014 measurement range.

Q: What is the recommended process for measuring pH using this device?

A: To measure pH, immerse the glass electrode in at least 20 ml of your sample, ensuring the probe tip is fully submerged. Wait for the display to stabilize (under 5 seconds), then note the reading on the digital LCD.

Q: Where can these handheld pH meters be effectively used?

A: These meters are suitable for laboratory environments, educational institutions, field testing sites, and industrial settings across India, owing to their portability and robust design.

Q: What benefits can I expect from using a handheld digital pH meter?

A: The handheld design allows for on-the-go measurements, quick response time, ease of handling, and reliable accuracy, making it ideal for laboratories that require frequent and efficient pH analysis.

Q: When should I replace the electrode, and what is its typical lifespan?

A: The glass electrode generally lasts between 6 and 12 months with typical usage. If readings become unstable or calibration cannot be maintained, its time to replace the electrode.

Q: What type of battery powers the instrument, and how often should it be replaced?

A: These meters use a standard 9V DC battery. Battery life varies based on frequency of use, but replacement is straightforward and can be done when the display indicates low power.

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