1
©
2014 Scaletron Industries Ltd., Plumsteadville, PA Scaletron, Scaletron Sets the Standard In Corrosion Resistance, Model 1020-1, 1020-2, Model 1099, Model 2305, Model 2306, Model 2307,
Model 2308, Model 2310, Model 2330, Model 2350, Model 2352, Model 2353, Model 3001, Model 3002, Model 3003, Model 3004, Model 3005, Model 3006, Model 3050-1, Model 3050-2, Model 4000SS,
Model 4010, Model 4020, Model 4021, Model 4030, Model 4040, Model 4040IBC, Model 4041, Model 4042, Model 4042WB, Model 4042-ECO, Model 4042WB-ECO, Model 5305 are trademarks of
Scaletron Industries Ltd. Total Electronic System is a service mark of Scaletron Industries Ltd.
PRINTED IN THE U.S.A. MAR 2014.
These instructions generally describe the installation, operation, and maintenance of subject
equipment. The manufacturer reserves the right to make engineering refinements that have not been
described herein. Should any questions arise that may not be answered specifically by these
instructions, they should be directed to SCALETRON INDUSTRIES, LTD., or our sales agent for a
response.
All possible precautions were taken in packaging each equipment item to prevent shipping
damage. Carefully inspect each equipment item, and report damage immediately. Report damage
claims to shipping agent involved for equipment shipped F.O.B. job site. Do Not Install Any Damaged
Equipment.
All instruction given on any labels, or attached tags, should be followed. Carefully inspect all
packing material before discarding to prevent loss of accessories, mounting hardware, spare parts, or
instructions.
TABLE OF CONTENTS
PAGE
I. GENERAL DESCRIPTION…………………………………………………………………………….1
II. SPECIFICATIONS…………………………………………………………………………………...1- 2
III. ASSEMBLY AND START-UP……………………………………………………………..………2 - 3
IV. GENERAL USE INSTRUCTIONS…………………………………………………………...………..3
V. CALIBRATION PROCEDURE…………………………………………………………..…………….4
VI. TROUBLESHOOTING………………………………………………………………………………....5
VII. BOARD DIAGRAM……………………………………………………………………………………..6
I.
General Description:
The Model 4042-ECO™ and 4042WB-ECO™ Secondary Spill Containment Scale is designed
specifically as an economical spill containment scale. Scale has a rugged backstop with
diameter gage to assist in centering container on the scale. The scale is able to be pivoted up
for cleaning underneath, and access to the spill containment base, and then the base may be
pivoted back down into position easily. The four conductor shielded cable required can be run
through conduit to a location within 200 ft. from the base. A current output signal of 4-20 mA,
0-20 mA, or +12 mA, - 8 mA, is standard. It is also selectable as active, or passive. There are
two independently adjustable dry contacts for use as low level alarm, or automatic dialer
equipment, as required. The printed circuit board contains a power supply section and
separate zero and span controls. The weighmeter electronics are housed in a NEMA 4X, UL
approved fiberglass enclosure.
II.
Specifications:
Display:
LED, 4
½
Digit with minus sign, 0.56 inch high, seven segment
Resolution:
Indicator: 1999.9 lb x 0.1 lb, or 2000 to 19999 lb. x 1.0 lb.
Load Cell Excitation:
16 VDC Power, 1 Load Cell
Zero Adjustment:
Internal potentiometer, R-25 med., and R-23 fine. DIP switches SW-B 1-6
for course adjust, jumper J-8 to change polarity of adjustment
Span Adjustment:
Internal potentiometer R-12 for med., and R-13 for fine. DIP switches
SW-A 1-6 for course, 7 & 8 no effect, not used
Current Output Adjustment:
Potentiometer R-43 adjusts 4-20 mA active, or passive. 220
Ohm Load max.
Overload:
Blanks with “0” (or if decimal, “0.0”) on the display
Accuracy:
+/- 0.5% full capacity
