Precision Weighing Balances
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AND Weighing HR-202i features a 0.01mg semi-micro dual range weighing which automatically selects ultra fine 0.01 mg resolution in the 0 - 42g range. When you weigh from 42g - 210 grams the readability drops to 0.1mg. The HR-202i is our best value for those needing 0.01mg readability. Oh, oh we have even more to tell you the HR202i and HR300i now come delivered with the RS-232 interface built in as standard equipment (the HR-60, HR-120 & HR-200 you still need to purchase the optional HR-03 module if you want RS-232 connection). Read all the specifications in detail and even download the HR-Series instruction manual to help you with your buying decision.

When the A&D HR202i semi microbalance is first installed, or is moved to another location, the analytical balance must be calibrated to ensure accurate weighing results. The AND HR202i requires the purchase of a optional external 200 gram calibration mass or 200 gram Cal-Pak to perform calibration. If you are looking for a milligram leaf weight set be sure to review this Class 1 tolerance Troemner 12 piece weight set (500mg-1mg). We always recommend that you purchase the calibration weight when you purchase the balance. You can learn more about calibration weights, class weights and the tolerances at

Some people we understand might be held back on buying a balance, especially a semi micro balance over the internet, but it is no different than buying from a catalog company.

Precision Weighing Balances does offer some differences over the other sources for balances. We really know balances and can answer practically any technically question you might have. Just take a look at our glossary we made and then maybe call one of those catalog companies and see if they even know one of the definitions. Most catalog companies just know everything by a part number. Check out all of our You Tube videos showing how to setup, calibrate and use a lab balance.

Some people might ask why or how we are offering a balance so deeply discounted? First the balances are all brand new and are not salvage, refurbished, overstock or any other kind a scam. Second, we are an authorized A&D Dealer and you're welcome to call A&D in Milpitas, CA at 408-263-5333 to verify if you purchase an A&D balance from Precision Weighing Balances it will be backed with the manufacturer's limited 5 year warranty.

Never heard of A&D? A&D is currently the world's third largest manufacturer of laboratory and industrial balances with 20% of the world market share. Established in 1977, A&D Company, Ltd. has grown from developing digital-to-analog converters for companies such as Nippon Telegraph & Telephone, to becoming a world class producer of advanced measuring equipment for medicine, science and industry. A&D established itself as a multinational corporation, with offices in the United States, Great Britain, Germany, Australia, Korea, Taiwan and Russia, and as a world leader in measurement equipment. The company's competitive edge is the direct result of its ability to leverage strong engineering and manufacturing capabilities, while incorporating highly accurate analog and digital technologies into broad product lines focused to provide customers with the greatest value.

Read all the specifications in detail and even download the HR-Series instruction manual to help you with your buying decision HERE.

We understand purchasing a semi microbalance is a major capital expense and if you have any questions give us a call and one of our weighing experts can discuss your weighing application and get you the most affordable balance for your weighing needs.

Free shipping UPS Ground in the lower 48 states on all HR semi micro balances at

Before you make your final decision on your next semi microbalance be sure to see the Sartorius Quintix125D-1S or Secura225D-1S. Sartorius started over 145 years ago in 1870 when Sartorius went into business by setting up his precision mechanical workshop and later pioneering and inventing the short-beam analytical balance that revolutionized work in research laboratories around the world.

A&D Weighing HR202i semi microbalance

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Brand Model Capacity Readability
A&D Weighing HR202i semi microbalance 42 g 0.01 mg
Add. Features
  • Carats
  • Grains
  • Milligrams
  • Ounces
  • Pennyweight
  • Grams
  • Troy Ounces
  • Parts Counting
  • RS-232c
  • Below Weighing
Comparable Scales

A&D Weighing GH-202 analytical scale - $4280.00

Ohaus DV215CD semi microbalance - $5194.35

A&D Weighing GH-252 Delta Range - $4716.00

Other Brands Mass Set 1g-200g Class1 NVLAP Cert - $1210.00

Sartorius Secura225D-1S semi microbalance - $6214.50

Sartorius Quintix65-1S five decimal place - $5157.00

Sartorius Secura125-1S semi micro balance - $5917.50

Scientech SM-50 semi micro balance - $4195.95

Scientech Micro balance SM-99 - $4495.95

Scientech SM-128D Micro Scale - $4695.95

Sartorius Quintix125D-1S Dual Range semi microgram - $5373.00

Other Brands 200 Gram Certified Weight - $262.70

Sartorius Cubis Analytical MSA225S Balance - $12217.50

Mettler Toledo JP105DUG/A semi micro balance - $5695.00

Sartorius Cal-pak calibration weight set 200g, 20g, 2g - $404.60

Scientech ZSM50 Semi Microbalance - $3849.95
MSRP: $4645.00
YOU PAY $3716.00

Analytical balanceAll HR Series are fully LIMS compatible when purchased with the optional RS-232C/current loop.  Built in GLP software with balance ID input routine for GLP applications allows calibration output verification to computer or AD-8121 printer.  Full tare range to capacity either manually or via computer.  Large weighing chamber for easy access, range blanking key, and a quick response time of 2.5 seconds.  Sealed keypad protecting against spills and dust.  System diagnostics and a sturdy aluminum alloy frame that won't chip, crack, to assure many years of reliable use.

Electronic Analytical BalanceThe HR-202i features a 0.01mg semi-micro dual range weighing which automatically selects ultra fine 0.01 mg resolution in the  0 - 42g range.  All specs in green denote lower range.

Your Cost Analytical Lab 0.01 milligram balance $3716.00
S&H via UPS Ground FREE in the lower 48 states of USA

The HR-202i is a nice semi microbalance and has been around for over a decade. Some people comment the HR202i is outdated and lacks a true USB interface, touchscreen display, and a large footprint taking up a lot of bench space. If these issues matter to you then be sure to review the Sartorius Quintix125D-1S or Sartorius Secura225D-1S that offers the lastest in weighing technology.

Gram (g)
210 x 0.0001
42 x 0.00001
Milligram (mg)
210000 x 0.1
42000 x 0.01
Decimal Ounce (oz)
7.4 x 0.00001
1.4 x 0.000001
Troy Ounce (ozt)
6.7 x 0.00001
1.3 x 0.000001
Pennyweight (dwt)
135 x 0.0001
27 x 0.00001
Carat (ct)
1050 x 0.001
210 x 0.0001
Momme (mm)
56 x 0.0001
11 x 0.00001
Grain Unit (GNU)
3240 x 0.002
648 x 0.0002
Percentage Min. Division 0.01%, 0.1% or 1% (auto prompt)
Counting Min. Weight 0.1mg
Linearity 0.0002 g
0.00003 g
Stabil. Time (typically) 3.5/8 seconds
Repeatability/Std. Dev. 0.0001 g
0.00002 g
Sensitivity Drift 2ppm / C (10C~30C / 50F~ 86F)
Display Refresh

5 times per second (stable)
10 times per second (unstable)

Pan Size Ø 80mm / 3.2 in
(mm) 217 (W) X 429 (D) X 316 (H)
(inches) 8.5 (W) X 16.9 (D) X 12.4 (H)
Breeze Break
(mm) 183 (W) X 164 (D) X 250 (H)
(inches) 7.2 (W) X 6.5 (D) X 9.8 (H)
Operating Temp. 5C~40C / 41F~104F RH less than 85%
Weight (Approx.) 8.0 kg. / 17.6 lb. 
Power 120 VAC (AC Adapter) 50Hz/60Hz
Standard Accessories Manual, AC Adapter, Protective Display Cover, RS232 Interface
Cal. Mass (Optional) 100g or 200g
Optional Accessories NiCad Battery, External Calibration mass, Printer
analytical digital balanceBrochure lab balances Click Here To Download For More Info
precision lab balanceData Brief Analytical Weighing Scales Download For Additional Specifications
Download the HR Instruction Manual (1.02MB) now Precision Weighing Balances 
The instruction manual contains detail information regarding calibration, additional features and keypad functions.  We also have the manuals for the Density Determination Kit (523KB), 20 mA Current Loop Interface(417KB) & RS-232C (417KB) to assist in your buying decision.

A&D HR Series Analytical Balances
Download the User Manual (1.02 MB)

(select the model & any of the options below and then click the "BUY HERE" image)
A&D Weighing 0.01 Milligram Balance


Aftermarket low cost Specific Gravity Kit $139.95
AD-1653 Density Determination Kit $560.00
AD-1682 Rechargeable Battery Pack $645.00
AD-1683 - Static Eliminator $1195.00
AD-8920 - Universal Remote Display $250.00
AD-8922 - Remote Controller $600.00
AD-100-2 Digital Scale Anti-theft Device $73.00
SW:128 - Foot Switch $69.00
TB:137 - 220V AC $49.00
AD-8127 Impact Dot Matrix Printer $867.00
RS-232 to pc (9 pin connector - DB9) $35.00

USB to 9 pin RS-232 Converter $53.00
Granite Isolator 13 x 15 inch $655.00

   calibration weights mass set traceable weight weights

Optional Calibration weight and weight sets.

100g ASTM Class 1 (± 0.25 mg) with NO Cert $72.00
100g ASTM Class 1 (± 0.25 mg) with NVLAP Cert $145.00
200g ASTM Class 1 (± 0.50 mg) with NO Cert $80.00
200g ASTM Class 1 (± 0.50 mg) with NVLAP Cert $235.00
1g-200g 10 piece Class 1 Mass Set with NVLAP Cert $1210.00
9 pc. Weight Set (100 g - 1 g) Class 1 with NVLAP $1042.00
1mg-100g 21 Piece Class 1 Weight Set with NVLAP Cert $2059.00
Cal-Paks 100g, 10g, and 20mg Class 1 with NVLAP $331.00
Cal-Paks 100g, 10g, and 200mg Class 1 with NVLAP $331.00
Cal-Paks 100g, 10g, 2g Class 1 with NVLAP $355.00
Cal-Paks 200g, 20g, 200mg Class 1 with NVLAP $379.00
Cal-Paks 200g, 20g, 2g Class 1 with NVLAP $386.00

Note: See our complete line of certified weights and weight sets here.
Weighing Pans
YWP06G Weigh Pan 3.25" Dia. x 0.75" depth $30.00

Select from 5 different Analyticals to meet your specific weighing needs

Cap (g) x Read (g)

MSRP Price

60 x 0.0001 g

$1950.00 $1502.00

120 x 0.0001 g

$2420.00 $1863.00

210 x 0.0001 g

$2575.00 $1983.00
HR-202i 210 x 0.0001 g
42 x 0.00001 g
$4645.00 $3716.00
HR-300i 310 x 0.0001 g $4185.00 $3348.00

The Sartorius Secura and Quintix semi microbalances are amazing. In the YouTube video above you will see the Sartorius Secura225D-1S semi microbalance [0-120g x 0.01mg] [120-220g x 0.1mg]. We highlight the intuitive operation using the SmartTouch user interface that is so easy to use you'll probably never need to reference the user manual. We also demonstrate the ergonomic draftshield and show how easy it is to dismantle the balance for easy cleaning.

Also you'll get a close up view of the new "collection container". The collection container is designed to keep the spill from entering the lab balance that could cause potential damage to the balance. Sartorius' revolutionary "collection container" features a rimmed design to keep the spill from entering if you happen to spill any liquid or granular samples while weighing.

If the Secura225D-1S is more balance than you need for your weighing application then be sure to see the Secura 125-1S, Sartorius Quintix125D-1S or Sartorius Quintix65-1S. Sartorius is our #1 selling laboratory weighing balances since they are the leaders in building high quality weighing instruments.
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