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Pen Type ORP Meter

Our company understands your need of fast and simple OPR (Oxidation Reduction Potential) Measurement in tough conditions, looking forward to this it has designed and developed a pocket-sized ORP meter instruments which are generally known as pen type ORP Meters. These pen ORP meter instruments are light weight and can be easily kept in the pocket and perfect for both laboratory and field applications.

Pen OPR Tester models are durable, accurate and economical furthermore these OPR meters have been appreciated by industry experts worldwide. Currently these meters are supplied to all over India, Asia, Africa and Middle East at wholesale price.


Light weight Easily fit to pocket
Highly accurate ORP test Data hold function
Auto power off High Input Impedance
Rugged and Waterproof housing Supplied with soft carrying case
Low battery indicator Excellent warranty

Our Pen Type ORP meter models are digital and pocket-sized instruments. These Pen ORP Meters offer highly accurate and reliable ORP testing in various applications including waste water treatment, swimming pool, spa, cooling tower and metal finishing etc.

With LCD display these units enable users to view clear readings of mV and Temperature. Easy to fit in pocket these mini OPR meters are perfect for comfortable carrying anywhere in the field testing.

Data hold function enables users to freeze the readings for most accurate display.

These meters come with water resistant housing and let the users experience worry free testing.

These units are supplied with standard packaging however with a choice of customers these ORP meters are supplied with hard or soft carrying case.


Model BST-ORP120 BST-ORP150 BST-ORP200
Test Range -1200mV to +1200mV -1500mV to +1500mV -1999mV to +1999mV
Resolution 1mV 1mV 1mV
Accuracy ±2mV ±2mV ±5 mV
Temperature Range 0 to 50°C 0 to 50°C 0 to 50°C
Operating Humidity Less than 80% RH Less than 80% RH RH 95% max
Power supply 4 x 1.5V alkaline 4 x 1.5V alkaline 4 x 1.5V alkaline
Optional Accessories Hard / Soft carrying Case Hard / Soft carrying Case Hard / Soft carrying Case
Includes Battery & Instructions Manual Battery & Instructions Manual Battery & Instructions Manual
Certifications CE Marked CE Marked CE Marked


Schools / Universities Laboratories Swimming Pool
Spa Waste Water Treatment Photography
Quality control Food Processing Aquarium
Fish Hatcheries Cooling towers RO Plant
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