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Product Description

The KERRO ORP-169E Pocket 2 in 1 ORP/Temperature Meter is a compact, waterproof pen-type instrument designed for measuring oxidation-reduction potential (ORP) in water and liquid samples along with temperature. It offers a -1999 to +1999 mV measuring range, 1 mV resolution and ±5 mV accuracy, making it suitable for laboratory and field water-quality testing.

Product Overview

The ORP-169E is a portable 2-in-1 ORP and temperature tester designed for convenient measurement of oxidation-reduction potential in aqueous solutions.

Its pocket-sized pen configuration allows the instrument to be carried easily between sampling locations. The waterproof construction makes it suitable for applications where the instrument may be exposed to water or splashing.

The ORP-169E is designed for use in water sources, aquariums, hydroponics systems, spas, swimming pools and other water systems. The meter provides a digital LCD reading and includes a HOLD function for retaining a displayed measurement.

Key Features & Benefits

  • 2-in-1 ORP and temperature measurement
  • ORP range of -1999 to +1999 mV
  • 1 mV resolution
  • ±5 mV accuracy
  • Waterproof pen-type design
  • Compact and portable
  • 4-digit LCD display
  • HOLD function
  • Manual one-point calibration
  • Screwdriver adjustment for calibration
  • Replaceable/sensor-based electrode configuration
  • Suitable for laboratory and field water testing
  • Battery powered

4. Technical Specifications

Specification Details
Model ORP-169E
Product Type Pocket 2-in-1 ORP/Temperature Meter
ORP Measurement Range -1999 to +1999 mV
ORP Accuracy ±5 mV
ORP Resolution 1 mV
Temperature Measurement Yes
Temperature Range Not specified by the manufacturer
Display 4-digit LCD
Calibration 1-point manual calibration
Calibration Adjustment Screwdriver/trimmer adjustment
Calibration Reference 265 mV calibration solution/reference
HOLD Function Yes
Waterproof Construction Yes
Power Supply 4 × 1.5 V AG13 button batteries
Dimensions 188 × 35 × 35 mm
Weight 118 g
Design Pocket / pen type
Application Water and aqueous-solution ORP measurement
Sensor/Electrode ORP electrode
Warranty Not specified by the manufacturer

Note: The product is marketed as a 2-in-1 ORP/temperature instrument, but an exact temperature measurement range and accuracy are not specified in the available technical specification. These values have therefore not been invented.


5. Applications

The ORP-169E is suitable for ORP measurement in:

  • Swimming pools
  • Spas
  • Aquariums
  • Hydroponic systems
  • Water-treatment applications
  • Water sources
  • Laboratory water testing
  • Environmental water testing
  • Industrial water systems
  • Process-water monitoring
  • Research laboratories
  • General aqueous-solution testing

6. Suitable For

  • Water-treatment laboratories
  • Swimming-pool maintenance
  • Spa facilities
  • Aquarium operators
  • Hydroponics applications
  • Environmental laboratories
  • Research laboratories
  • Industrial water-quality departments
  • Educational laboratories
  • Field water-quality testing
  • Quality-control laboratories

7. Product Benefits

  • Wide ORP range: Measures from -1999 to +1999 mV.
  • 1 mV resolution: Allows fine monitoring of ORP changes.
  • ±5 mV accuracy: Suitable for routine ORP measurements.
  • 2-in-1 functionality: Combines ORP and temperature measurement in one pocket instrument.
  • Waterproof construction: Suitable for wet measurement environments.
  • Portable pen design: Easy to carry for field measurements.
  • Simple calibration: Manual one-point calibration using a screwdriver adjustment.
  • HOLD function: Retains the displayed reading for convenient recording.
  • Digital display: Provides direct numerical measurement.
  • Broad water applications: Suitable for pools, spas, aquariums, hydroponics and laboratories

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