KERN DBS 60-3 User manual
Operating instructions
Electronic Moisture Analyser
PCE Americas Inc.
711 Commerce Way
Suite 8
Jupiter
FL-33458
USA
From outside US: +1
Tel: (561) 320-9162
Fax: (561) 320-9176
www.pce-instruments.com/english
www.pce-instruments.com
PCE Instruments UK Ltd.
Units 12/13
Southpoint Business Park
Ensign way
Hampshire / Southampton
United Kingdom, SO31 4RF
From outside UK: +44
Tel: (0) 2380 98703 0
Fax: (0) 2380 98703 9
KERN DBS
Version 1.1
03/2013
GB
DBS-BA-e-1311
2 DBS-BA-e-1311
GB
KERN DBS
Version 1.103/2013
Operating instructions
Electronic Moisture Analyser
Contents
1Technical data................................................................................................ 4
2Appliance overview ....................................................................................... 6
2.1 Overview of display.................................................................................................................. 8
2.1.1 Display examples.................................................................................................................................... 12
2.2 Keyboard overview................................................................................................................. 13
3Basic Information (General)........................................................................ 15
3.1 Proper use............................................................................................................................... 15
3.2 Improper Use........................................................................................................................... 15
3.3 Warranty.................................................................................................................................. 15
3.4 Monitoring of Test Resources............................................................................................... 15
3.5 Danger Information ................................................................................................................ 16
3.5.1 “Hazard information” sticker.................................................................................................................... 20
4Transport and storage................................................................................. 21
4.1 Testing upon acceptance ...................................................................................................... 21
4.2 Packaging / return transport ................................................................................................. 21
5Unpacking, Setup and Commissioning ..................................................... 21
5.1 Installation Site, Location of Use.......................................................................................... 21
5.2 Unpacking and checking ....................................................................................................... 24
5.2.1 Scope of delivery / serial accessories..................................................................................................... 24
5.3 Placing..................................................................................................................................... 25
5.4 Mains connection................................................................................................................... 28
5.4.1 Turning On the Power............................................................................................................................. 29
5.5 Commissioning....................................................................................................................... 30
5.6 Connection of peripheral devices......................................................................................... 30
6Adjustment................................................................................................... 31
6.1 Adjust balance........................................................................................................................ 31
6.2 Adjust temperature................................................................................................................. 33
6.3 ISO/GLP log............................................................................................................................. 36
7Menu ............................................................................................................. 37
7.1 Navigation in the menu.......................................................................................................... 38
7.1.1 Numeric entry.......................................................................................................................................... 39
8Moisture analysis......................................................................................... 40
8.1 Start drying.............................................................................................................................. 40
8.2 Abort drying ............................................................................................................................ 42
8.3 Finish drying........................................................................................................................... 42
8.4 Turn off appliance .................................................................................................................. 42
9Drying parameters....................................................................................... 43
DBS-BA-e-1311 3
9.1 Save / access .......................................................................................................................... 44
9.2 Adjust....................................................................................................................................... 45
9.2.1 Drying modes.......................................................................................................................................... 45
9.2.1.1 Drying mode AUTO (Standard drying/switch-off criterion “∆M“) ...................... 45
9.2.1.2 Drying mode TIME (Standard drying/switch-off criterion “Time“) ..................... 46
9.2.1.3 RAPID Drying mode (Rapid drying) .............................................. 47
9.2.1.4 SLOW Drying mode (Slow drying) ............................................... 49
9.2.1.5 STEP Drying mode (Step drying) ................................................ 51
9.2.2 Result display.......................................................................................................................................... 54
9.2.3 Start criterion........................................................................................................................................... 56
10 Miscellaneous settings ............................................................................... 57
10.1 Enter sample designation...................................................................................................... 57
10.2 Set date/time for measuring protocol................................................................................... 58
10.3 Menu Lock............................................................................................................................... 59
10.4 Change password................................................................................................................... 61
10.5 Enter identification number................................................................................................... 62
10.6 Resetting the menu ................................................................................................................ 63
11 Print, store and call-up measurement results........................................... 64
11.1 Pin allocation RS232C interface............................................................................................ 65
11.2 Interface parameters .............................................................................................................. 66
11.3 Output interval........................................................................................................................ 68
11.4 Call up and print out measuring results............................................................................... 69
11.5 Print out currently preset drying parameters ...................................................................... 70
11.6 Delete measuring results from memory............................................................................... 71
11.7 Printout examples .................................................................................................................. 72
12 General information concerning moisture analysis................................. 75
12.1 Application .............................................................................................................................. 75
12.2 Basics...................................................................................................................................... 75
12.3 Adjustment to existing measuring method.......................................................................... 75
12.4 Preparing a sample................................................................................................................. 76
12.5 Sample material...................................................................................................................... 77
12.6 Sample size / originally weighted in quantity...................................................................... 77
12.7 Drying temperature................................................................................................................. 78
12.8 Recommendations / Guidelines............................................................................................ 78
13 Service, maintenance, disposal.................................................................. 83
13.1 Cleaning................................................................................................................................... 83
13.2 Service, maintenance............................................................................................................. 84
13.2.1 Remove protective glass guard.......................................................................................................... 84
13.2.2 Lamp change...................................................................................................................................... 86
13.2.3 Replacing fuses.................................................................................................................................. 87
13.3 Disposal................................................................................................................................... 87
14 Instant help................................................................................................... 88
14.1 Error messages....................................................................................................................... 89
15 Declaration of conformity ........................................................................... 91
4 DBS-BA-e-1311
1 Technical data
Data DBS 60-3
Radiator Halogen (1 x 400 W)
Temperature range 50°C - 200°C
1°C increments selectable
Maximum load (Max) 60 g
Minimum weight (min) 0.02 g
Warm-up time 2 h
Readability (d) Weighing mode 0.001g
Moisture analysis mode 0.01 %
Reproducibility
„Weighing mode“ 0.001 g
Reproducibility
„Weighing mode“
Initial weight 2 g: 0.15 %
Initial weight 5g 0.05 %
Initial weight 10 g 0.02 %
Drying modes
Standard drying (AUTO / TIME))
Step drying (STEP)
Rapid drying (RAPID)
Slow drying (SLOW)
Linearity ± 0.003 g
Stabilization time (typical) 3 sec.
Recommended adjustment
weight, not added (class) 50g (F1)
Environmental conditions
•5°C….+40°C ambient temperature
•max 85% air humidity non-condensing
DBS-BA-e-1311 5
Switch-off criterion •AUTO
The drying is finished when the preset weight loss
(∆M ) remains constant for 30 seconds.
•TIME
The drying is finished after the preset time, 1 minute
– 4 hours (1 minute increments)
or 12 hours can be selected
•Manual (STOP button)
Sample dishes included Ø 95 mm
Weighing Units [M/W] [%] moisture
[D/W] [%] dry mass:
[M/D] ATRO* dry mass
[W/D] ATRO* moisture
[GRAM] Gram display
Internal memory Method memory 10 memory locations for drying
programs, see chap. 9.1
Sample memory 100 memory locations for measuring
results, see chap. 11
Interface RS232
Dimensions (B x D x H)
Housing 202 x 336 x 157 mm
Available drying room
Ø 95 mm, 20 mm high
Net weight
4.2 kg
Electric Supply
220 – 240 V AC 50/60 Hz
Power consumption
Rating 430 VA
Voltage fluctuations
Within ±10 %
Power line fuse
3.15 A, 250V
Interrupting rating of fuse
35 A
Pollution Degree 2
Overvoltage Category Category II
Altitude Up to 2000 m
Installation Site device may only be used indoors
6 DBS-BA-e-1311
2 Appliance overview
Front view:
Pos. Description
1 Viewing panel
2 Sample dish
3 Display
4 Bubble level
5 Keyboard
6 Adjustable foot
7 Heated cover
8 Halogen lamp
9 Temperature sensor
DBS-BA-e-1311 7
Rear view:
Pos. Description
10 Anti-theft protection device connection
11 Not documented
12 RS232
13 USB, not documented
14 Mains connection socket
15 Fuse box
8 DBS-BA-e-1311
2.1 Overview of display
No. Display Description
1Currently loaded drying program, see chap. 9.1
2Illuminates during communication with external devices.
3•The stability display indicates that the weighing value is
stable.
•Highlights current setting in the menu.
4The indicator will mark the measuring result
5Drying mode Status display during drying
AUTO
+see chap. 9.2.1.1
Heating-up period
Preset drying temperature is
reached. The drying is finished
when ∆M constant.
TIME
+see chap. 9.2.1.2
Heating-up period
Preset drying temperature is
reached. The drying is finished
when the preset drying time has
expired.
DBS-BA-e-1311 9
RAPID
+see chap. 9.2.1.3
Heating-up period “pre-heating
step”
The pre-heating step is switched
on until “∆M pre-heating step” is
constant.
Temperature is lowered to the
preset drying temperature.
Preset drying temperature is
reached.
The drying is finished when the
preset completion criterion is
fulfilled.
SLOW
+see chap. 9.2.1.4
Heating-up period
Preset drying temperature is
reached.
The drying is finished when the
preset completion criterion is
fulfilled.
STEP
+see chap. 9.2.1.5
Heating-up period step 1
Drying step 1
Heating-up period step 2
Drying step 2
Heating-up period step 3
Drying step 3
10 DBS-BA-e-1311
6
Previous drying time
7
Current temperature
8Result display, see chap. 9.2.2
% M/W [%] moisture
D/W [%] dry mass:
M/D ATRO dry mass
W/D ATRO moisture
g Gram Gram display
9Basic displays
Weight display
Display % moisture
Menu access via MENU button
Equipment is in Ready mode, see chap. 8.4.
0Current menu selection
UNIT Equipment is in menu „Display of results“, see chap. 9.2.2
COMSET Equipment is in menu „Interface parameters“, see chap. 11.2
CODE Equipment is in menu „Sample denomination“, see chap. 10.1
CAL Equipment is in menu „Adjustment“, see chap. 6
PRINT Equipment is in menu „Printer“, see chap. 11.3 – 11.5
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