Apera Instruments SX630 User manual

SX630 ORP Pen Tester Instruction Manual

1. Brief Introduction

Thank you for purchasing SX630 ORP Pen Tester. This tester is featured with reliable measuring

performance with a single-button operation in a slim body. The ORP probe is replaceable and suitable for

test tube measuring and other small-volume sample testing.

2. Specifications

1) Range: ±1999 mV

2) Resolution: ±1 mV

3) Accuracy: ± 0.2% F.S

4) Power: 2 x CR2032 Cell Batteries

5) Dimension and Weight: 148*29*14mm/43g

6) Waterproof rating: IP57

3. Instructions

1) Measurement: Rinse the probe in distilled water and dry it. Dip the probe in the sample solution. Stir

gently and wait until you receive a stable reading.

2) After measurement, rinse the probe with distilled water, dry it, and put the protection cap back on. It’s a

good practice to pour a bit storage solution that comes with kit into the protection cap when storing the

meter, since it will help keep the accuracy of the probe.

4. Notes

1) It is no need to calibrate when testing ORP, but if suspect to the performance of meter or the

measurement result, then can use ORP standard solution to test to identity whether the ORP electrode

or meter is accurate. The meter comes with the following standard solution: 220mV ± 15mV (25°C).

2) After the electrode has been used over a long period of time, the platinum surface will get polluted

which causes inaccurate measurement and slow response. Please refer to the following methods to

clean and activate ORP electrode:

(a) For inorganic pollutant, soak the electrode in 0.1mol/L dilute hydrochloric acid for 30 minutes, then

wash it in distilled water, then soak it in the 3M KCL storage solution for 6 hours.

(b) For organic or lipid pollutant, clean the platinum surface with detergent, then wash it in distilled

water, then soak it in the 3M KCL storage solution for 6 hours.

with toothpaste, then wash it in distilled water, then soak it in the 3M KCL storage solution for 6 hours.

3) The ORP electrode of this meter can be replaced. The replacement probe’s model number is SX635.

Please go to www.aperainst.de to watch a tutorial video for how to replace the probe.

4) The instrument will turn off automatically after 10 minutes if no operation.

5) Replace the batteries when appears on screen.

5. Warranty

We warrant this instrument to be free from defects in material and workmanship and agrees to repair or

replace free of charge, at option of APERA INSTRUMENTS (Europe) GmbH, any malfunctioned or

damaged product attributable to responsibility of APERA INSTRUMENTS (Europe) GmbH for a period of

two years from the delivery (a six-month limited warranty applies to electrodes). Warranty period is the

time limit to provide free service for the products purchased by customers, not the service life of the tester

or electrodes.

APERA INSTRUMENTS (Europe) GmbH

Wilhelm-Muthmann-Straße 15

42329 Wuppertal, Germany

Contact: info@aperainst.de

Website: www.aperainst.de

Tel. +49 202 51988998

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