Apera Instruments Salt2 User manual

Salt20 Pocket Salinity Tester

Instruction Manual

APERA INSTRUMENTS, LLC

www.aperainst.com v1.2

Salt20 Pocket Salinity Tester Instruction Manual

1. 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.

2. 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.

Diagram - 1

3. Complete Kit

4. Calibration

4.1 Rinse the probe in distilled water and dry it. Short press to turn on the

tester.

4.2 Long press to enter calibration mode; Short press to exit.

4.3 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.

5. Salinity Measurement

5.1 Short press to turn on tester. Rinse probe in distilled water and dry it.

5.2 Stir probe in the sample solution gently, leave it to stand. Get readings after

the smile icon comes up and stays.

Diagram - 2

6. Notes

6.1 The tester has self-diagnosis functions:

Symbol

Self-Diagnosis information

How to fix

Wrong calibration solution,

which exceeds the

recognizable range of the

meter.

1. Check if calibration solution is

correct

2. Check if probe isdamaged.

is pushed before

measurement is stable

( comes up)

Wait for the smile icon to stay,

and then short press

6.2 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.

7. Parameter Setting

7.1 Parameter setting reference chart:

Symbol

Parameter Setting content

Code

Factory Default

Select salinity unit

ppt –mg/L

ppt

Restore to factory default

No –Yes

7.2 How to setup parameters:

When turned off, long press to enter setup →short press to switch

P1-P2→Short press , parameter flickering→short press to choose,

short press to confirm parameter selection→Long press to switch off.

7.3 Parameter setting notes

a) Select salinity unit(P1):

Optional units: ppt –mg/L, factory default is ppt.

b) 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.

8. Technical Specifications

Salinity

Range

0 –10.00 ppt

Resolution

0.01 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

9. Other Functions & Parameters

Indication of

calibration points

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: 40*31*178mm/107g; Carrying case:

190*165*140mm/438g

10. 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,

LLC, any malfunctioned or damaged product attributable to responsibility of APERA

INSTRUMENTS, LLC 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, LLC

Address: 6656 Busch Blvd, Columbus Ohio 43229

Tel: 1-614-285-3080

Email: info@aperainst.com

Website: www.aperainst.com

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