Fast accurate precision measuring for laboratory weighing 0.1 milligram to 10 micrograms readability. Compact, robust analytical balance design by A&D with 5 years warranty.
HR-A - have External Calibration ONLY
HR-AZ - have Internal (& External) Calibration
HR-251A & HR-251AZ - * iv Smart range function: The minimum weighing value will switch to 1 mg automatically when the display value exceeds 62 g but returns to 0.1 mg by pressing the RE-ZERO (tare) key.
More Information
Features
Fast stabilization in 2 seconds
Five years warranty
Large removable breeze break with antistatic coating
Compact foot print: 198 mm × 294 mm
Rotary sliding doors requiring no extra space at the rear
Automatic calibration with an internal mass (HR-AZ)
Clear, reverse-backlit LCD
Fourteen weighing units including a user-programmable unit
GLP/GMP/GCP/ISO compliant output
Counting mode with the Automatic Counting Accuracy Improvement (ACAI) function
Percent mode function
Adjustable response characteristics and hold function
Approx. 2 seconds (The factory setting is MID, whose stabilization time is approx. 3 seconds.)
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
0.1mg
0 to 200 g: 0.1 mg 200 to 252 g: 0.2 mg
0.1 mg / 0.5 mg
0.1 mg
0.1mg
Linearity
±0.3mg
±0.3mg / ±1mg
±0.2mg
±0.2mg
±0.3mg
±0.3mg / ±1mg
±0.2mg
±0.2mg
Internal Calibration
YES
NO
Display
LCD display
Display update
5 times/second or 10 times/second
Operating temp
5°C to 40°C, less than 85% RH (no condensation )
Power supply
AC adapter
Weighing pan size
Ø90mm
Dimension
198 (W) × 294 (D) × 315 (H) mm
Weight (approximately)
3.9kg
3.5kg
Standard Accessories
WinCT in CD-ROM, Manual, AC Adapter
Serial Interface
Standard RS232
* As supplied from the factory unless Verified and Verification required a change to factory setting
** Please note that this indicates if the unit can be verified within Australia only. This does not state that verification has been performed. Verification is a separate charge.