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IWQ Series Service Manual
Chapter 1. Product Overview
1.1 Product Overview
• The IWQ Series is waterproof type electronic scale (waterproof conforming to the class IP-65).
• Both IWQ-150 and IWQ-30 are equipped with checking and counting functions for the upper and lower
limits of weight.
• The load cell has improved corrosion resistance by the aluminizing process and the baked finish with
acrylic resin.
• For safety considerations, all electric wiring sections are coated with butyl rubber and a watertight lock
mechanism is installed for the riser harness from the aluminum frame.
1.2 Standard Specifications
Item Contents
Type name IWQ-150 IWQ-30
Weighing capacity 60kg/150kg
Multiple interval
15kg/30kg
Multiple interval
Scale unit 0.02kg/0.05kg 0.005kg/0.01kg
Accuracy 1/3000
Accuracy class OIML R76 Class III
Weigh platter size 530mm(L) x 380mm(W)
Flat platter (standard)
350mm(L) x 350mm(W)
Flat platter (standard)
Sheathing Display section: Stainless SUS304
Display support column: Stainless SUS304
Weighing platter: Stainless SUS304
Display angle range
Horizontal (0°) − Front view (90°) step-less fixation by knob lock
Weight 18kg 10kg
Power source
100VAC − 240VAC 50/60Hz
(Insured operation within range 85VAC − 264VAC). Rating voltage shall be
specified within the above range for respective country.
Current consumption 100VAC: 100mA, 110-120VAC: 90mA, 220-240VAC: 80mA
Environmental conditions
Ambient temperature: −10°C to 40°C without condensation by rapid
temperature change
Waterproof class Conforming to IP-65
Display Figures: Weighed value: 30.5mm(H) Multi-digit fluorescent tube
Upper limit: 13.0mm(H) Multi-digit fluorescent tube
Lower limit: 13.0mm(H) Multi-digit fluorescent tube
(Upper and lower limit display shares 12-digit tube)
Mark: Tare weight deducted, zero point for display (multiple-digit tube to
display weight, cursor)
Stable: (Green LED)
Over: (Yellow LED)
Accept: (Green LED)
Under: (Red LED)
Pre-set functions
PLU1−PLU10 for 10 items (tare weight + upper limit + lower limit)
Tare weight preset Able to register up to the weighing capacity less 1 scale unit.
Upper/lower limit preset Able to register up to 99999 value.
Single weight preset Able to register under 10% of the weighing capacity.
Key-in tare weight Able to register up to the weighing capacity less 1 scale unit.
Maximum quantity display Display up to the quantity as many as 50000 pieces.
Sampling quantity 1 to 9999 pieces
External connector
•DIN-5 (RS-232C···journal printer)
•HR12-8P (Relay box)
Option
•RB-IW Relay box
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