Hardy Bench Scales User Manual

HARDY BENCH SCALES

OPERATION AND INSTALLATION

MANUAL

Hardy Process Solutions

Corporate Headquarters

9440 Carroll Park Drive
San Diego, CA 92121
Phone: [phone]
FAX: [phone]
Web-Site: www.hardysolutions.com

Hardy Process Solutions, #0596-0339-01 Rev A

Copyright 2014 Hardy Process Solutions. All Rights Reserved. Printed in the U.S.A.

CAUTION:

UNPACK WITH CARE

WHEN UNPACKING, DO NOT DISCARD THE PACKING CASE OR ANY
PACKING MATERIAL, UNTIL THE CONTENTS OF THE PACKING CASE
ARE INSPECTED AND CAREFULLY COMPARED WITH THE SHIPPING
DOCUMENTS.

IF ANYTHING IS UNSATISFACTORY, PLEASE NOTIFY HARDY 
PROCESS SOLUTIONS IMMEDIATELY BY CALLING, FAXING OR E­MAILING TO:

Hardy Service Center
Hardy Process Solutions
9440 Carroll Park Drive
San Diego, California 92121

Phone: [phone] or [phone]
F AX:[phone]

E-mail: [e-mail]
Web Address: www.hardysolutions.com

TO RETURN DEFECTIVE OR DAMAGED PRODUCT(S) CALL HARDY
TECHNICAL SUPPORT FOR A HARDY SERVICE TICKET NUMBER
(HST#). YOUR COMPANY NAME, ADDRESS, TELEPHONE NUMBER,
SERIAL NUMBER OF THE UNIT AND A BRIEF DESCRIPTION OF THE
PROBLEM SHOULD BE READY WHEN CALLING. FOR ALL
NON-WARRANTY REPAIRS A PURCHASE ORDER OR CREDIT CARD IS
ALSO REQUIRED.

IN CASE OF DAMAGE DUE TO SHIPPING, NOTIFY THE DELIVERING
CARRIER IMMEDIATELY FOR AN INSPECTION.



Table of Contents

Chapter 1 - Overview 1-1

Introduction 1-1
Description 1-1

The Stainless Steel Top Cover 1-1
Lower Frame Assembly 1-1
Scale Interface 1-1

Hardy Bench Scale Models 1-2

400 Series – HIBS400-xxxx 1-2
300 Series – HIBS300-xxxx 1-2
200 Series – HIBS200-xxxx 1-2

Chapter 2 - Specifications 2-1

Hardy Bench Scale Specifications 2-1
Standard Sizes & Capacities 2-2

Chapter 3 - Installation 3-1

Precautions 3-1
Unpacking 3-1
Adjusting the Mechanical Overload Stops 3-1
Leveling the Scale 3-3
Scale Connections 3-4

Table of Contents

Chapter 4 - Calibration 4-1

About Calibration of the Hardy Bench Scale 4-1
C2 Second Generation Calibration 4-1
Test Weight Calibration (Hard Cal) 4-1
Material Substitution 41

Chapter 5- Troubleshooting 5-1

SCOPE 5-1
Problem: 5-1

Scale Does Not Respond When Weight is Applied 5-1
Scale Indication is not linear 51
Scale Reads Backwards 5-1
Scale Reading drifts or is Erratic 5-1

Service and Repair (All Models) 5-2

i

Chapter 1 - Overview

CHAPTER 1 - OVERVIEW

Introduction Congratulations on your purchase of a Hardy

Bench Scale. Behind your purchase is over 90
years of quality, reliability and technical innova
tion.

The Hardy Bench Scales are designed for table
top or floor applications requiring high accuracy
and reliability. The covers are all stainless steel
for durability. The bases have no bearings, spirit
levels, or moving parts that can be damaged or
wear out. The active element of the scale is a
precise and accurate strain gauge load sensor.

Description All Hardy Bench Scales come standard in

12”x12”, 18”x18”, and 24”x24” size s, an d ran ge
in capacity from 5lbs – 1,000lbs (2.27kg to 454
kg). Custom sizes and capacities are available
from Hardy upon request.

The basic Hardy Bench Scale consists of three
major components:

-

1. Stainless Steel Top Cover.

2. Lower Frame Assembly with a load sensor

3. Four Leveling feet.

The Stainless S teel Top Cover

Lower Frame Assembly

Scale Interface Directly attach the scale’s 10 foot (3 meter) cable

The top cover is a single piece constructed of
heavy gauge 304 Stainless Steel. The cover pro
vides a washdown weighing surface and offers
protection to the load sensor and electronics.

The lower frame comes equipped with four level­ing feet, a load sensor, a shock load and corner
overload protection. Depending on the model,
the frame is made of stainless steel or painted
carbon steel.

to any weighing instrument or controller. If inter
facing with a Hardy Controller, you can take full

®

advantage of WAVERSAVER

and C2® Elec-

-

1-1

-

Hardy Bench Scales

tronic Calibration (C2 is only available with HI
BS400 series).

NOTE: WAVERSAVER® and C2® are registered trade-

marks of Hardy Process Solutions.

Hardy Bench Scale Models

400 Series – HIBS400-xxxx

300 Series – HIBS300-xxxx

The HI BS400 Series is Hardy’s top of the line
industrial bench scale. With all stainless steel
construction and a hermetically sealed, IP68/
IP69K, FM Hazardous approved, stainless steel
Advantage® load cell, the HI BS400 is built for
the heaviest wash down applications and corro
sive environments. Hardy has built its C2 weight­free calibration technology into every scale,
delivering the lowest total cost of ownership on
the market. C2 calibration saves time during
commissioning and replacement, rem ov es per
sonnel from processing areas, and keeps your
process cleaner by eliminating the need for
potentially contaminated test weights.

The Hardy HI BS300 Series is a Hardy’s lowest
cost stainless steel industrial scale, built to han
dle light wash down and humid environments.
Each bench scale is equipped with an FM
approved IP67 aluminum load cell, and comes
with NTEP (pending) certifications standard. The
HI BS300 does not come with C2.

-

-

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200 Series – HIBS200-xxxx

1-2

The HI BS200 Series is Hardy’s lowest cost
industrial scale, featuring a painted carbon steel
base and IP67 aluminum load cell made for use
in dry and dusty environments. Each aluminum
load cell is FM approved, and the HI BS200
comes with NTEP (pending) certifications stan
dard. The HI BS200 does not come with C2.

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CHAPTER 2 - SPECIFICATIONS

Hardy Bench Scale Specifications

Platter Construction

• 304 Stainless Steel (all models)

• Size: 12" x 12", 18" x 18" and 24" x 24 
(custom sizes are available)

Deck Height

• 12" x 12": 5, 25, 50, 150 lbs: 3.75" to 4.5"

(9.5 to 11.4 cm) adjustable

• 18" x 18": 50, 25, 50, 150 lbs: 3.75" to 4.5"

(9.5 to 11.4 cm) adjustable

• 18 x 18": 300, 500 lbs: 5.5" x 6.5" (14 to 16.5

cm) adjustable

• 24" x 24": all capacities 5.5" x 6.5" (14 to

16.5 cm) adjustable

Capacity Range

5 lbs to 1000 lbs (2.27 to 454 kg)

Rated Output

Overload: 300% R.O.
End loading: 100% R.O.
Corner loading: 100% R.O.

Chapter 2 - Specifications

Cable Length

Platform to Instrument - 9 to 10 feet nominal (3
meters)

Base Construction
HIBS400 & HIBS300: Stainless Steel
HIBS200: Painted Carbon Steel

Load Sensors
HIBS400:

•C2® stainless steel, hermetically sealed 

• Load Sensor Sensitivity: 2.0mV/V +/- 5%

(for longer cable lengths, contact the Factory)

IP68/IP69K

2-1