Single Point Load Cell | Platform Load Cell | OBUC

At a Glance

Description

Applied Measurements OBUC low profile single point load cell is designed for use in weighing scales and a wide selection of low range force measurement applications such as manufacturing, testing, research and development.  It is primarily designed for compression measurements, but it can also measure tension loads, or it can be used bi-directionally.

This single point load cell dual cantilever beam design makes them insensitive to bending moments and also offers extremely high accuracy and stability, while aluminium construction ensures lightweight and low cost.

Customised versions of the single point load cell with dimensions and fixings to allow direct retro-fitment in place of obsolete products or to suit specific applications are available on request.

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Technical Specifications

CHARACTERISTICS	OBUG	OBUG	OBUC	UNITS
Rated Capacity (RC)	0-0.25, 0-0.5, 0-1, 0-2	0-3, 0-5, 0-10, 0-15, 0-20, 0-30, 0-40	0-10, 0-15, 0-20, 0-30, 0-50, 0-100, 0-200	kgf
Operating Modes	Compression only
Sensitivity (RO)	1.5 nominal	2±10%	2±10%	mV/V
Maximum Platform Dimensions	200 x 200	350 x 350	400 x 400	mm
Zero Balance/Offset	<1	<1	<10	±%/Rated Output
Creep (30 mins)	<0.08	<0.03		±%/Rated Capacity
Non-Linearity	<0.03			±%/Rated Capacity
Hysteresis	<0.02			%/Rated Capacity
Repeatability	<0.02			±%/Rated Capacity
Temperature Effect on Zero	<0.005	<0.002	<0.006	±%/Rated Capacity/˚C
Temperature Effect on Sensitivity	<0.015	<0.002	<0.015	±%/Applied Load/˚C
Effect of Eccentricity	<0.015	<0.006		±%/Rated Capacity/cm
Input Resistance	400 nominal			Ohms
Output Resistance	350 nominal			Ohms
Insulation Resistance	>2000 @ 50Vdc			Megohms
Excitation Voltage	10 recommended (2-15 acceptable)			Volts AC or DC
Operating Temperature Range	-20 to +70			˚C
Compensated Temperature Range	-10 to +40			˚C
Storage Temperature Range	-20 to +70			˚C
Safe Overload	150			% of Rated Capacity
Ultimate Overload	300			% of Rated Capacity
Deflection @ Rated Capacity	<0.5 nominal			mm
Resonant Frequency	Consult Sales Team
IP Rating (Environmental Protection)	IP65: 2kg and below | IP67: 3kg and above
Weight (excluding cable)	See dimension table
Fatigue Life	Consult Sales
Cable Length (as standard)	0.5	0.4	3	metres
Cable Type	4 core screened, PVC sheath	4 core screened, PVC sheath,	6 core screened, PVC sheath,
Construction	Aluminium Alloy
Resolution	1 part in 250,000 (with appropriate instrumentation)

Product Dimensions

Capacity (kg)	A	B	C	D	F	G	H	L	Q	V	X	J	Weight (kg)
10, 15, 20, 30, 50, 100	150	25.4	40	82	100	19.05	-	25	34	10.5	1	M6x1 - 10 deep	0.42
200	150	25.4	40	82	100	19.05	-	25	34	10.5	1	M8x1.25 - 10 deep	0.42

All dimensions are in mm

Wiring Details

Wire	Designation
Red	+ve excitation
Black	-ve excitation
Green	+ve signal
White	-ve signal
Blue	+ve sense
Brown	-ve sense
Screen	To ground – not connected to load cell body

Ordering Codes & Options

Core Product	Capacity (inc Engineering Units)	Cable Length (m)	Specials Code	Example Result
OBUC	10kg	003	000	OBUC-10kg-003-000
OBUC	15kg	003	000	OBUC-15kg-003-000
OBUC	20kg	003	000	OBUC-20kg-003-000
OBUC	30kg	003	000	OBUC-30kg-003-000
OBUC	50kg	003	000	OBUC-50kg-003-000
OBUC	100kg	003	000	OBUC-100kg-003-000
OBUC	200kg	003	000	OBUC-200kg-003-000