Tonchean – ORP needle electrode probe – Hydroponic laboratory electrode – Measuring range 0 ±1500 mV – Accuracy ±5 mV – Length 155mm

General Description

The TONCHEAN needle ORP electrode is designed for testing aqueous solutions in various environments, such as aquariums, hydroponics, laboratories, and swimming pools. It is filled with a saturated colloidal KCl solution, making it ideal for inline ORP detection of wastewater containing chromium. Made from environmentally friendly materials, this probe offers excellent electrical conductivity and is harmless to the human body.

Technical Specifications

• Model: ORP-101
• Type: Laboratory Electrode, Platinum Needle
• Measuring Range: 0 ~ ±1500 mV
• Accuracy: ±5 mV
• Applicable Temperature Range: 5 ~ 70 ℃
• Electrode Potential: 245 ~ 270 mV (15 ~ 30 ℃)
• Reference Electrode Internal Resistance: ≤10 kΩ
• Electrode Stability: ±8 mV/24 h
• Electrode Wire Length: Approx. 115 cm
• Size of Item dimensions: approximately 155 x 20 x 20 mm
• Item weight: approximately 49.6 g
• Package size: approximately 21.5 x 9 x 4 cm
• Package weight: approximately 88 g

Instructions for Use

• Maintain the saturated potassium chloride in the electrode tube at a certain height.
• Simultaneously immerse the test portion of the electrode (junction of the platinum core and sand) during measurement.
• Use a saturated quinonehydroquinone solution as the standard solution, with a storage time of 48 hours.
• Clean the platinum wire with a cotton ball soaked in acetone or alcohol in case of grease stains.
• For insoluble inorganic stains, rub with 1 mol/L hydrochloric acid.
• Wipe the electrodes with clean toilet paper after use.