MRC PSA-311 Bedienungsanleitung
Pen type, all in one, IP-67
SALT METER
Model : PSA-311
Your purchase of this SALT
METER marks a step
forward for you into the
field of precision
measurement. Although
this METER is a complex
and delicate instrument,
its durable structure will
allow many years of use if
proper operating
techniques are developed.
Please read the following
instructions carefully and
always keep this manual
within easy reach.
OPERATION MANUAL
TABLE OF CONTENTS
1. FEATURES................................................................1
2. SPECIFICATIONS......................................................1
3. FRONT PANEL DESCRIPTIONS...................................3
3-1 Battery compartment/Cover................................. 3
3-2 Display...............................................................
.
3
3-3 Power Button...................................................... 3
3-4 Hold Button........................................................
.
3
3-5 REC Button.........................................................
.
3
3-6 Salt Sensing Head.............................................. 3
3-7 Protection Cover for Sensing Head....................... 3
4.MEASURING PROCEDURE.......................................... 4
4-1 Salt measurement ..............................................
.
4
4-2 Data hold............................................................5
4-3 Data record ( Max., Min. reading )........................6
4-4 Auto power off management................................6
5. REPLACEMENT OF BATTERY.................................... 6
6. OPTIONAL ACCESSORIES..........................................7
1. FEATURES
* The pen type, all in one Salt meter provides fast,
accurate readings, with digital readability and easy
operation.
* Measuring range : 0 to 12 % salt ( % weight ).
* Build in temperature sensor, ATC ( auto temperature
compensation ).
* Carbon rod electrode for long life.
* IP67, water proof and protection.
* LCD display, read. to read.
* Data hold function for freezing the desired value.
*
A
uto power off to save the battery life.
* Records max. and min. value with recall.
* Microcomputer circuit, intelligent function, high accuracy.
* Compact size, light weight.
* Built-in Low battery indicator.
* Power supply by DC 1.5 V battery ( UM4/AAA ) x 4 PCs.
* Application : Water conditioning. aquarium, food
processing, photography, school, laboratory, industrial
and quality control.
2. SPECIFICATIONS
Display LCD, size : 20 mm x 28 mm.
Measurement 0 to 12 % salt ( % weight ).
Range
Resolution 0.01 % salt.
Accuracy 0.5 % salt value
* F.S. : full scale.
* 23 ± 5℃
Temperature Automatic, 0 to 50 ( 32 to 122 ).℃℉
Compensation
1
Probe Carbon rod electrode for long life.
Structure
Data Hold Freeze the display reading.
Memory Recall Maximum & Minimum value.
Sampling Approx. 0.8 second.
Time
Circuit Custom one-chip of microprocessor LSI
circuit.
Power off Auto shut off saves battery life or
manual off by push button.
* Power will off automatically after
10 min., if no button be pressed.
Operating 0 to 50 ( 32 to 140 ).℃℉
Temperature
Operating Less than 80% RH.
Humidity
Power Supply DC 1.5V battery ( UM-4/AAA ) x 4 PCs.
Power Approx. 5.7 mA.
Consumption
Dimension 190 x 40 x 40 mm
( 7.5 x 1.6 x 1.6 inch ).
Weight 171 g/0.38 LB.
Standard Instruction Manual......................... 1 PC
Accessories
Optional * Soft carrying case with sash
Accessories ( 210 x 80 x 50 mm ), Model : CA-52A
* Hard carrying case
( 280 x 195 x 65 mm ), Model : CA-06
2
3. FRONT PANEL DESCRIPTION
3-1 Battery compartment/Cover
3-2 Display
3-3 Power Button
3-4 Hold Button
3-5 REC Button
3-6 Salt Sensing Head
3-7 Protection Cover for Sensing Head
3
4. MEASURING PROCEDURE
4-1 Salt measurement
1)Turn on the meter by pressing the " Power Button "
( 3-3, Fig. 1 ) momentarily.
* Press the " Power Button " ( 3-3, Fig. 1 )
momentarily again will turn off the meter.
The " Display " ( 3-2, Fig. 1 ) will show the unit as :
0.00
%
Now the meter is ready for the measurement.
2)Hold the meter by hand and immerse the " Salt Sensing
Head " ( 3-6, Fig. 1 ) immersed wholly into the
measured solution. Shake the " Sensing Head " to
let the electrode's internal air bubble drift out from the
" Sensing Head ".
" Display " ( 3-2, Fig. 1 ) will show the salt value in
and salt ( % weight value ).
4
Fig. 2
When make the
measurement should
immerse the " Sensing
Head " immersed
wholly into the measured
solution.
3)The " Sensing Head " build in the temperature sensor
for the usage of automatic Temp. compensation. If
the temperature of measured salt solution is changed,
then it should take few minutes to let the display
reading reach the stable value.
4-2 Data Hold
1)During the measurement, press the " Hold Button "
( 3-4, Fig. 1 ) momentarily to hold the measured
value. The LCD will show a " HOLD " symbol.
2)Press the " Hold Button " once again to release the
data hold function.
4-3 Data Record ( Max., Min. reading )
1)The data record function records the maximum and
minimum readings. Press the " REC Button " ( 3-5, Fig. 1 )
momentarily to start the Data Record function,
shows " REC " on the display.
2)With the " REC " symbol on the display.
a)Press the " REC Button " ( 3-5, Fig. 1 ) momentarily,
the " REC MAX " symbol along with the maximum
value will appear on the display.
5
b)Press the " REC Button " ( 3-5, Fig. 1 ) momentarily
again, the " REC MIN " symbol along with the
minimum value will appear on the display.
* When display shows " REC MAX " or " REC MIN ",
press the " Hold Button " ( 3-4, Fig. 1 )
momentarily will delete the max. ( min. ) value,
the display will show the " REC. " only and
execute the memory function continuously.
c)To exit the memory record function, press the
" REC " button for 2 seconds at least. The display will
revert to the current reading, not show " REC "
indicator.
4-4 Auto power off management
The meter has built-in "Auto Power Shut-off " function in
order to prolong battery life. The meter will switch off
automatically if none of the buttons are pressed within
10 min..
5. REPLACEMENT OF BATTERY
1)When the LCD display show " " ,
it is necessary to replace the battery. However, in-spec
measurement may still be made for several hours after
Low Battery Indicator appears before the instruments
instrument become inaccurate.
2)To replace the battery, rotate and remove the
" Battery Cover " ( 3-1, Fig. 1 ), take out the old
batteries, install new batteries :
DC 1.5V battery ( UM-4/AAA ) x 4 PCs.
3
)
When install the batteries, should make attention
the battery polarity.
4)After install the batteries, reinstall the battery cover
again. 6
6. OPTIONAL ACCESSORIES
Hard carrying case. Soft carrying case.
Model : CA-06 Model : CA-52A
280 x195 x 65 mm 210 x 80 x 50 mm
7
3, Hagavish st. Israel 58817 Tel: 972 3 5595252, Fax: 972 3 5594529 [email protected]
MRC.9.16
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