Scientech 12000 Series - Manual (Page 22)

22
Environmental Requirements:
This product is intended for indoor use at altitudes up to 2000 meters, Pollution Degree 1 or 2 in accordance with IEC 664 and transient overvoltages according to Installation
Categories (Overvoltage Categories) I, II and III. For mains supply, the minimum and normal category is II.
CE Mark:
All Scientech Electronic Balances carry the CE Mark and conform to the requirements of the following standards:
EN 55011: 1998
Limits and Methods of Measurement of Radio Disturbance Characteristics of Industrial, Scientific and Medical (ISM) Radio-frequency Equipment
EN 61326-1: 1997 EMC Requirements for Electrical Equipment for Measurement, Control and Laboratory Use
EN 61010-1: 1993 Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use
Specifications for SM Semi Micro Balances:
Note: Balances with an Internal Calibration Weight have an “IW” suffix in their model number. Their specifications are the same as the models in the table below.
Model SM 50 SM 99 SM 124D SM 128D
Weighing Mode Single Range Dual Range
(Floating Tare™)
Capacity 50g 99g 40g
120g
80g
120g
Readability .00001g .00001g
.0001g
Tare Range 0-80g 0-99g 0-120g
0-120g 0-120g
0-120g
Repeatability
(Standard Deviation) .00002g .00004g .00002g
.0001g
.00003g
.0001g
Linearity ±.00003g ±.00003g ±.00003g
±.0002g
±.00003g
±.0002g
Stabilization Time ~8 Seconds
Weighing Speed Adaptive
Display Update Interval 800ms
Data Interface RS-232 bidirectional interface is standard. Baud rates are 300, 600, 1200, 2400, 4800, 9600 and 19,200.
Pan Size Circular 3.5 inch diameter
Operating Temperature 5°C to 40°C
Relative Humidity 80 % for temperatures up to 31°C decreasing linearly to 50 % at 40°C
Power Supply 115 Volts/60 Hz ± 10 %
230 Volts/50Hz or 60 Hz ± 10 %
Windscreen 7.5W x 8.25D x 9.5H
Calibration Weight 50g 100g 100g 100g
10g 50g 40g 50g
Housing (WxDxH) 7.5" x 11.25" x 3.25"
Weight ~ 13.8 lbs