Rice Lake Static Weighing - Manual (Page 73)

Appendix 69
Power - AC
Line Voltages 115 or 230 VAC
Frequency 50 or 60 Hz
Power Consumption 1.5 A @ 115 VAC (8W)
0.75 A @ 230 VAC (8W)
Fusing 2.5 A 5 x 20 mm fuse
Power - DC
Line Voltages 9-36 VDC DC Input
Power Consumption 1.5 A Max
Fusing Internal short circuit protection
Analog Specifications
Full Scale Input Signal Up to 22.5 mV
Excitation Voltage
+5V single sided
8 x 350
 or 16 x 700 load cells
Sense Amplifier Differential amplifier with
4- and 6-wire sensing
Analog Signal
Input Range –0.5 mV/V to +4.5 mV/V
Analog Signal
Sensitivity 0.3
V/graduation minimum,
1.5
V/grad recommended
Input Impedance 200 M
, typical
Noise (ref to input) 0.3
V p-p with digital filters at 4-4-4
Internal Resolution 8,000,000 counts
Display Resolution 100 000 dd
Measurement Rate Up to 60 measurements/sec
Input Sensitivity 10 nV per internal count
System Linearity Within 0.01% of full scale
Zero Stability 150 nV/°C, maximum
Span Stability 3.5 ppm/°C, maximum
Calibration Method Software, constants stored in EEPROM
Common Mode
Voltage –2.35 to +3.45 V, referred to ground
Rejection 130 dB minimum @ 50 or 60 Hz
Normal Mode
Rejection 90 dB minimum @ 50 or 60 Hz
Input Overload ± 12 V continuous, static discharge
protected
RFI Protection Signal, excitation, and sense lines
protected by capacitor bypass
Serial Communications
Port 1 Full duplex RS-232
Port 2 Full duplex RS-232

Output only active 20 mA current loop
Port 3 Optional Ethernet, USB, or fiber optic
card
Operator Interface
Display 6-digit LED display. 14-segment, 0.8 in
(20 mm) digits
LED annunciators Center of zero, gross, net, tare, preset
tare; percent, kg, g, lb, oz
Keypad 21-key flat membrane panel (CW-90)
Piezo membrane panel (CW-90X)
Environmental
Operating Temperature –10 to +40°C (legal);
–10 to +50°C (industrial)
Storage Temperature –25 to +70°C
Humidity 0–95% relative humidity
Enclosure
Enclosure Dimensions 9.5 in x 6 in x 3.12 in
24 cm x 15 cm x 8 cm
Weight 2.8 Kg (6.1 lb)
Rating/Material UL Type 4X
Certifications and Approvals
t
N A T IO NA
L CONFE R E N C
E
t O
N
W
E I G
H T S A N D M E A S U R
E S
CW-90/CW-90X Indicator

NTEP
CoC Number
08-092
Accuracy Class III/IIIL n
max
: 10 000
t
N
A T IO
NA L CONFE R E N C E
t O
N
W
E I G
H T S A N D M
E A S U R
E
S
CW-90/CW-90X Scale

NTEP
CoC Number
95-072A2
Accuracy Class III n
max
: 5 000
File Number E151461-A7

Visit www.nsf.org and search by manufacturer.

Or visit the direct link at:

http://www.nsf.org/Certified/food/
Listings.asp?CompanyName=Rice+Lake%25&
Approval No. R76/2006-GB1-10.02
Accuracy Class II, III n
max
: 10 000
Measurement
Canada
Approved

Approval No. AM-5710
CAUTION
Do not use any parts on this scale that
may contain lead.