Germany
Ref EW 220-3NM
KERN EW 220-3NM Precision Balance
Overview
Classic tuning-fork precision balance with 220 g capacity, 0.001 g readability and a 118 mm stainless steel weighing plate, built for routine laboratory and industrial weighing.
Specifications55 values
Weighing
Weighing System
Tuning forkdatasheet
Weighing Capacity (Max)
220 gdatasheet
USP Minimum Sample Weight
2 g (k=2, U=0.1%)datasheet
Readability (d)
0,001 gdatasheet
Reproducibility
0,001 gdatasheet
Linearity
± 0,002 gdatasheet
Resolution
220,000datasheet
Adjustment Options
Adjusting with external weightdatasheet
Recommended Adjusting Weight
200 g (F1)datasheet
Stabilization Time
2 sdatasheet
Eccentric Loading at 1/3 (Max)
0,003 gdatasheet
Construction Type
Single-range balancedatasheet
Maximum Creep (15 min)
10 mgdatasheet
Maximum Creep (30 min)
20 mgdatasheet
Available Weighing Units
g, gn, dwt, tl (Tw), tl (HK), ozt, tl (Singap, Malays), ct, lb, oz, to, momdatasheet
Counting
Counting Resolution (Laboratory Conditions)
220,000datasheet
Smallest Piece Weight (Laboratory Conditions)
1 mgdatasheet
Smallest Piece Weight (Normal Conditions)
10 mgdatasheet
Reference Quantity
10, 30, 50, 100datasheet
Display
Display Type
LCDdatasheet
Display Backlight
Yesdatasheet
Display Screen Size
109×22 mmdatasheet
Display Digit Height
17 mmdatasheet
User Interface Language
Symbol languagedatasheet
Physical
Housing Dimensions (W×D×H)
180×235×75 mmdatasheet
Fully Mounted Dimensions (W×D×H)
185×235×165 mmdatasheet
Draught Shield Dimensions, Inner (W×D×H)
158×130×78 mmdatasheet
Draught Shield Dimensions, Outer (W×D×H)
174×144×105 mmdatasheet
Weighing Surface (Ø)
118 mmdatasheet
Housing Material
Plasticdatasheet
Weighing Plate Material
Stainless steeldatasheet
Draught Shield Material
Plasticdatasheet
Level Indicator
Yesdatasheet
Adjustable Levelling Feet
Yesdatasheet
Number of Operating Keys
5datasheet
Net Weight (approx.)
1,4 kgdatasheet
Functions
Percentage Determination
Yesdatasheet
Tolerance Weighing
Yes (visual signal)datasheet
Underfloor Weighing
Eye (optional)datasheet
Capacity Display
Yesdatasheet
Tare Function
Manual (multi)datasheet
Auto-off (Battery/Rechargeable Mode)
3 mindatasheet
Auto-off (Mains Power Mode)
3 mindatasheet
Environmental
Ambient Temperature (Min)
10 °Cdatasheet
Ambient Temperature (Max)
30 °Cdatasheet
Humidity (Max)
80 %datasheet
Storage Temperature (Min)
-20 °Cdatasheet
Storage Temperature (Max)
60 °Cdatasheet
Power & Interfaces
Interface
RS-232 standarddatasheet
Power Supply
External power supply unit (adapter)datasheet
Input Voltage (Power Supply)
220 V - 240 V AC, 50 Hzdatasheet
Input Voltage (Device)
12 V, 1 Adatasheet
Battery Type
NiCddatasheet
Rechargeable Battery Operating Time (Backlight On)
12 hdatasheet
Rechargeable Battery Charging Time
12 hdatasheet
Datasheets & documents
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