Product

Weighing

HR-AZ/HR-A Series

Standard-Level Analytical Balances

Pay for What Matters—Reliable, Accurate Weighing

Brochure (PDF 1.35MB)

Manual (PDF 2.4MB)

Manual Simplified (PDF 4.3MB)

Update to accessory for HR-AZ/A series (PDF 143KB)

Demonstration of fast stabilization and the rotary sliding doors (YouTube)

HR-AZ/HR-A Series Introduction (YouTube)

HR-AZ

HR-A

HR-251AZ/A

Optional

Features

High-speed weighing with 2-second stabilization

Removable, shatterproof breeze break with antistatic coating

Compact foot print: 198 mm × 294 mm (smaller than an A4 sheet of paper)

Rotary sliding doors requiring no extra space at the rear

Adjustable response characteristics to help cope with the effect of drafts and vibrations

Multiple weighing units: g, mg, oz, ozt, ct, mom, dwt, grain, specific gravity, and a user-programmable unit for conversion applications (either tael, tola or Newton can be added upon request)

Easily visible, front-mounted spirit level for adjusting the leveling feet

Automatic calibration with an internal mass (HR-AZ)

Clear, reverse-backlit LCD

GLP/GMP/GCP/ISO compliant output

Clock and calendar function (HR-AZ)

Counting mode with the Automatic Counting Accuracy Improvement (ACAI) function

Percent mode function

Animal weighing (hold) function

Statistical calculation function

Comparator function with buzzer

Auto power on/off function

Underhook function

Density determination function and an optional density determination kit

Built-in rechargeable battery (optional)

Videos

External Input/Output

RS-232C interface
Quick USB interface (optional)
Ethernet (TCP/IP) interface (optional)

Options

FXi-02^*1: Quick USB interface with cable
FXi-08^*1: Ethernet (TCP/IP) interface
FXi-09^*1: Built-in rechargeable battery
FXi-10: Small breeze break
FXi-11: Large breeze break
GXA-27^*2: Bluetooth® interface

Manual (PDF 226 KB)

*1 FXi-02, FXi-08 and FXi-09 cannot be used at the same time.
*2 Please contact your local A&D representative to find out whether GXA-27 is certified for compliance with Bluetooth® communication laws in your country.

Accessories

AD-1654 : Density determination kit
AD-1671 : Anti-vibration table for balances
AD-1672 : Tabletop breeze break
AD-1683 : Static eliminator
AD-1684A : Electrostatic field meter
AD-1687 : Weighing environment logger
AD-1688 : Weighing data logger
AD-1689 : Tweezers for calibration weight
AD-8127 : Compact printer
AD-8526 : RS-232C/Ethernet (TCP/IP) converter
AD-8527 : Quick USB adapter
AD-8529PC-W : Bluetooth converter for PC
AD-8529PR-W : Bluetooth converter for printer
AD-8920A : Remote display
AD-8922A : Remote controller
AX-HOLDER-SET : Sample Cup Holder Set
AX-FXi-31: Main unit cover (5 pcs)
AX-USB-9P : RS-232C/USB converter with cable
AX-KO2466-200 : RS-232C cable (9P-9P)

Specifications

Model	HR-250AZ/HR-250A	HR-251AZ/HR-251A	HR-150AZ/HR-150A	HR-100AZ/HR-100A
Capacity	252 g	62 g / 252 g*ⁱ	152 g	102 g
Readability	0.1 mg	0.1 mg / 1 mg	0.1 mg
Repeatability (standard deviation)	0 to 200 g: 0.1 mg 200 to 252 g: 0.2 mg	0.1 mg / 0.5 mg	0.1 mg
Minimum weight*ⁱⁱ (typical)	140 mg
Linearity	±0.3 mg	±0.3 mg /±1 mg	±0.2 mg
Stabilization time (when set to FAST under a good environment)	Approx. 2 seconds*ⁱⁱⁱ
Weighing pan size	Ø90 mm
External dimensions	198 (W) × 294 (D) × 315 (H) mm
Net weight	Approx. 3.9 kg

*ⁱ Smart range function: The readability will switch to 1 mg automatically when the display value exceeds 62 g but returns to 0.1 mg by pressing the RE-ZERO key.
*ⁱⁱ Pursuant to the United States Pharmacopeia (USP), Chapter 41
*ⁱⁱⁱ The factory setting is MID, whose stabilization time is approx. 3 seconds.

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