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Stainless Steel Milligram Scale

Tree HRB-S-313 Balance for Sale

When ABS plastic just doesn't cut it, there is the HRB-S-313 stainless steel milligram scale available from Tree.  It provides better durability than the original HRB-303 yet has a similar low cost design.  Communication port is USB for connecting a second device such as a computer that you want to dump the data into.  3rd party software wedge is required and sold separately.

310 g x 0.001 g

Platform: 3.85" diameter

Stainless Steel Construction

Price: $512.95

Ground S&H: Free Shipping to USA (excludes AK and HI)


Standard Features:

  • Multiple Weighing Units
  • Easy & Quick Setup
  • Removable Weighing Pan
  • AC Adapter (Included) or Battery Powered (not included)
  • Large Backlit LCD Display
  • Adjustable Leveling Feet
  • Strain Gauge Loadcell
  • 2 Year Manufacturer's Limited Warranty
Weighing Applications:
  • Laboratory
  • Classroom


Tree HRB-S Series - Affordable Stainless Steel Scales and Balances
Model Capacity x Resolution Platform Size (Inches)
HRB-S-113 110 g x 0.001 g 3.85" diameter
HRB-S-213 210 g x 0.001 g 3.85" diameter
HRB-S-313 310 g x 0.001 g 3.85" diameter
HRB-S-1002 1,000 g x 0.01 g 4.7" x 5.3"
HRB-S-1002TL 1,000 g x 0.01 g 6.4" x 7"
HRB-S-3001 3,000 g x 0.1 g 6.4" x 7"
HRB-S-3002 3,000 g x 0.01 g 6.4" x 7"
HRB-S-6001 6,000 g x 0.1 g 6.4" x 7"
HRB-S-10001 10,000 g x 0.1 g 6.4" x 7"
Replacement Parts
HRBS-AC AC Adapter for HRB-S Series $35.00
Tree HRBS-313 Specifications
Capacity x Readability 310 g x 0.001 g
Display Divisions 310,000
Accuracy ± 5d
Platform Size 3.85" Ø
Draft Shield Glass
Units g, oz, lb, dwt, ozt, ct, tlt, tlh, tlj, gn, dr, mm, tola, gsm, T/A/R, T/M/R
Scale Dimensions 8.1" x 11.5" x 10.5"
Auto Backlight Yes,Selectable
Auto Shut Off Yes,Selectable
Interface USB
Battery 6 x AA size battery
Power 12VDC AC Adapter

We want you to be completely satisfied with your purchase.  If you're unsatisfied with your purchase, please call the Customer Service Department at 603-782-8599 to facilitate an exchange due to manufacturer defect.

Exchanges can be processed within 5 business days of receipt.  Please call before shipping any products back to us so we can issue a Return Material Authorization Number (RMA#).  You will need to place this number clearly on the return packaging.  Please remember to include all contents such as promotional items, accessories, and instruction manuals that came in the original order.  The buyer is responsible for freight charges when exchanging purchases.  Exchanges can only be made for the same purchased model due to defects. RMA numbers expire after 20 days.

After five days you must call the manufacturer regarding the warranty.

We reserve the right to refuse to issue credit for any item that has been used, misused or damaged.  We also reserve the right to charge a restocking fee of up to 25% on returns of opened, used, or damaged products.

We are not responsible for lost or stolen returned merchandise before it reaches our warehouse and signed for by one of our employees.

A purchase cannot be cancelled once it has been shipped.  Undeliverable or refused shipments will be subject to a 25% restocking charge plus the cost of shipping and handling.  Special orders, custom items, calibration weights and baby scales cannot be returned.  All sales are final.

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