APERA Salt20 Pocket Salinity Tester Instruction Manual

APERA Salt20 Pocket Salinity Tester

Battery Installation

Please install batteries according to the following steps. Please note polarity: “+” (anode) is upward; “-” (cathode) is downward.

Note: This salinity meter measures practical salinity converted from electrical conductivity (NaCl Concentration). It does not measure absolute salinity.

Keypad Functions

• Short press——- < 2 seconds
• Long press——– > 2 seconds

|

1. Short press to turn on, long press to turn off;
2. When turned off, long press to enter setup;
3. In mode setting, short press to change parameter;

---|---

|

1. When turned on, long press to enter calibration mode.
2. In calibration mode, short press to confirm calibration;
3. In mode setting, short press to confirm parameter selection.

Complete Kit

Calibration

1. Rinse the probe in distilled water and dry it. Short press to turn on the tester.
2. Long press to enter calibration mode; Short press to exit.
3. Dip the probe into the calibration solution. Stir gently, leave it to stand, LCD displays , short press to complete 1-point calibration.

The tester returns to measuring mode, and calibration icon appears at the button left of LCD.

Salinity Measurement

1. Short press to turn on tester. Rinse probe in distilled water and dry it.
2. Stir probe in the sample solution gently, leave it to stand. Get readings after the smile icon comes up and stays.

Notes

1. The tester has self-diagnosis functions:

Er1

| Wrong calibration solution, which exceeds the recognizable range of the meter.|

1. Check if the calibration solution is correct
2. Check if the probe is damaged.

Er2

|  is pushed before

measurement is stable ( comes up)

| Wait for the smile icon to stay, and then short press

The tester has already been calibrated after manufacture. Usually users can use the tester right away, or test it in the calibration solutions to test its accuracy. When error is large, calibrate it before using.

Parameter Setting

Parameter setting reference chart

How to setup parameters

When turned off, long press to enter setup → short press to switch P1-P2-P3→ Short press , parameter flickering→short press to choose, short press to confirm parameter selection→Long press to switch off.

Parameter setting notes

• Select salinity unit(P1): Optional units: ppt – g/l, the factory default is ppt.
• P2-Select temperature unit (°C-°F): In P1 mode, press to enter P2, press , °C or °F flickering, press to choose °C-°F, and press to confirm parameter selection. Long press  to return to measurement mode.
• Restore to factory default: Select Yes to restore the calibration to the theoretical values and parameter setting to original values. When meter’s calibration or measurement performs abnormally, this function can be adopted so the meter goes back to factory default setting and then users can conduct calibration or take measurements again.

Technical Specifications

Salinity

| Range| 0 – 10.0 ppt
---|---|---
Resolution| 0.1 ppt
Accuracy| ±1% F.S
Calibration points| 1 point auto-calibration
Automatic Temp. Compensation| 0-50˚C

Temp.

| Range| 0-50˚C
Resolution| 0.1˚C
Accuracy| ±0.5˚C

Other Functions & Parameters

Indication of calibration points| H| ****

Auto Power-off

| Power-off in 8 minutes if no operation
---|---|---|---
Indication of stable measurements| |

Waterproof level

| IP67, floats on water
Self-Diagnosis information| ****

Er1, Er2

| ****

Power Supply

| ****

AAA batteries*4

Low battery reminder

|  Flashes to remind to replace batteries| ****

Battery Life

| ****

1000 hours

Dimensions/Weight

| Instrument: 4031178mm/107g; Carrying case: 190165140mm/438g

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 probes). This warranty does not apply to defects resulting from actions such as misuse (violation of the instructions in this manual or operations in the manner not specified in this manual), improper maintenance, and unauthorized repairs. Warranty period is the time limit to provide free service for the products purchased by customers, not the service life of the tester or probe.

Apera Instruments reserves the right to update the information in this manual without giving notice in advance.

APERA INSTRUMENTS (Europe) GmbH

• Wilhelm-Muthmann-Straße 18 42329 Wuppertal, Germany
• Contact: info@aperainst.de
• Website: www.aperainst.de
• Tel:  +49 202 51988998

References

• Apera Instruments
• Apera Instruments

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