KERN-SOHN ORM 1RS, ORM 50BM Instructions

Catalogue

Introduction

Display & Button

Preparations before Operation

Booting and Measurement

Calibration

Switch the Scales and Temperature Units

Turn Off

Maintenance & Preservation

Appendix

Before operating your instrument, please

read this manual properly.

1.Introduction

Panel Descriptions

Stainless Steel
Sample Groove

LCD Display Screen

Battery Hatch

The Packing Accessories：
Packaging

x1 The Instructions x1 AAA Batteries x1

Dropper

x1 Square Cover x1 Digital Refractometer x1

Cover

Prism

Button

Removable Shell

2.Display and Buttons

Display Areas and Buttons

Temperature Display Area

Multi-function Display Area

Battery
Capacity

Host
Display Area

Turn on Button

Converting Different
Scales& Temperature Unit

Calibrating“Zero Point”

Note：Please replace the battery
when the is displayed.

Refractive
Index (RI)

% or ‰ Unit

3.Preparations before Operation

3.1

Install the Battery

Put 1 piece of 1.5V
battery into the cabin
in the right way and
recover the cabin again.

Open the battery
cabin by pushing the
battery hatch in the
direction of the arrow.

Install the Wrist Strap

3.2

Properly Install the wrist strap into the
hole at the bottom of the instrument.

4.Booting and Measurement

4.1

Booting

The multi-function
display area shows
the current scale
number.

Press "READ"
Button to Turn On

If there is
no sample
on the drip,
it will display
“dash”

Note :

1. When used outdoors, please avoid strong light so
as not to affect the measurement accuracy.

2. Please keep the instrument in a stable and still
statement and position.

4.2

Measurement
After turn on, clear the distilled water and dry the
sample plate, drip 0.2~0.3ml sample then close the
cover to measure.

Showing
Beyond
Measuring
Range

Measuring Result

Press the "READ"
one time the meter
will measure one time.

If press the "Read" button for 2 seconds, the
instrument would make the automatic measurements
upon programmed times (default 15times), the final
value is the average of 15 times’ measurements. After
measurements, the multi-functions display area would
return back to scale showing status.

The multi-function area would show remaining
times during the automatic measurement.

5.Zero Calibration

The meter only supports pure water calibration.
The calibration method is as following drop

0.2-0.3ml pure water then close the cover to
measure.

LCD Flashing

Press 'CAL' button
for 2 seconds to
enter the calibration
status Press “CAL”
button for 2-3 seconds
till see the ‘CAL’ flashing

Display

Press "CAL" button once again during the ‘CAL’
flashing to start to calibrate. When the calibration
is completed showing as following.
If no any operations for 10seconds the instrument
would return back to booting status.

If fail to complete the calibration, multi-function
display area would show an error code.

Temperature exceed the limitations,
other error codes could be checked
in the appendix error code page.

6.Switch the Scales and Temperature Units

6.1

Scales Converting

The instrument could support 10 scales maximally.

Current Scale Number

Press to convert
the scales and the values.

Temperature System Converting

6.2

Press button for 2 seconds,
temperature unit would be
converted.

Current Scale Unit

Temperature Unit

If exceed the temperature limitations,
the signs “HHH” or “LLL” would show.

7.Turn Off

If without any operations for 1 minute,
the instrument would be automatically turned off.

8.Maintenance and Preservation

1. Please clean and wash the sample plate with
distilled water and dry it with soft cleaning cloth
or paper towel after finishing the measuring one
kind sample.

2. Never left the remains and residuals of samples
in the sample plate for long time.

3. After finishing measurements of the corrosive
liquid, please clean the sample plate as quick as
possible to avoid the irreparable damage of the
prism and metal surface of the plate.

4. Please use soft cleaning cloth or paper towel to
clean the sample plate to avoid scribing the
prism’s glass.

5. When the dropper and dust-free cloth are not
used, please clean it with clean water and put it in
the packing box after drying.

6. If no using the instrument for a long time, please
remove the battery, and preserved in a cool and
dry environment.

Appendix:

Performance:

Range

0.0%~50.0% ±0.2%

Brix

0.0%~90.0%

1.3330~1.4200

R.I.

1.3330~1.5177

Temperature

Dimension

Net weight

0.0~40.0℃

32.0~104.0℉

121*58*25mm

90g (excluding battery)

The Error Codes Table:

code Instructions

A01

A02

A03

Beyond the scope of calibration
temperature.（0.0℃~40.0℃)

During calibration, no solution
or solution wrong.

This instrument has a hardware
failure.

Accuracy

±0.2%

±0.0003

±0.0003

±0.5℃

±0.9℉

Description of Scales Numbering:

Resolution

0.1%

0.1%

0.0001

0.0001

0.1℃

0.1℉

2020/01/01 V1.0