Triple Beam Balances And Mechanical Scales

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This is where you'll find a triple beam balance, or any other kind of mechanical scale. Some of us old fogies can't seem to live without our good old analog scales and triple beam scales. Whether you're looking for a beam scale, or a mechanical bathroom scale, you'll see every mechanical balance we carry on this page.

This Week's Featured Mechanical Scales

Displaying products 1 - 71 of 71 results
My Weigh Metal Hand Scale
Old Will's Price: $4.90
My Weigh Metal Hand Scale
The My Weigh Metal Hand Held Postage Scale weighs your mail and small items up to 100 grams or 4 ounces. Its small size allows you to take it where you need it, and a plastic carry pouch is included. Choose from silver, or black.
Salter 021
Old Will's Price: $5.90
Salter 021
The Salter 021 Mechanical food scale weighs items up to 500 grams or 16 ounces. Included with this scale is a plastic weighing container and lid. The removable container also provides dust free storage for the scale itself.
Salter 113
Old Will's Price: $9.90
Salter 113
The Salter 113 Mechanical Kitchen Scale has a 3000 gram capacity with a resolution of 25 grams, and also weighs in pounds. This scale has a dual reading dial and tare knob for setting the dial back to zero. An easy pour weighing bowl is included.
Salter 135
Old Will's Price: Starting at $9.90
Salter 135
The Salter 135 Mechanical Kitchen Scale has an 11 pound capacity with a 1 ounce resolution, and also weighs in kilograms. The included weighing container is dishwasher safe and the dual reading dial displays weights in pounds and kilograms simultaneously.
Salter 051
Old Will's Price: $10.90
Salter 051
The Salter 051 Mechanical Kitchen Scale has a 2 pound capacity with a 1/2 ounce resolution, and also weighs in kilograms. This scale has a dual reading dial and clear plastic weighing bowl. When not in use, the scale fits inside the bowl for storage.
Weston Sportsman's 20# Pull Type Spring Scale
Old Will's Price: $12.90
Weston Sportsman's 20# Pull Type Spring Scale
The Weston 20# Spring Hanging Scale has a 20 pound capacity with a half pound resolution. This fishing scale has aluminum housing, no-slip grip, handles, stainless steel components, and a convenient weight marker.
Salter 125
Old Will's Price: $12.90
Salter 125
The Salter 125 Mechanical Kitchen Scale has an 11 pound capacity with a 1 ounce resolution, and also weighs in kilograms. The included weighing container is dishwasher safe and the dual reading dial displays weights in pounds and kilograms simultaneously.
My Weigh MHS50
Old Will's Price: $13.90
My Weigh MHS50
The My Weigh MHS Mechanical Hanging Scale has a 50 pound capacity with a 0.5 pound resolution, and also weighs in kilograms. The hook and handle of this scale fold up behind the scale for easy transportation. The MHS also has a built-in tape measure.
My Weigh MHS25
Old Will's Price: $13.90
My Weigh MHS25
The My Weigh MHS Mechanical Hanging Scale has a 25 pound capacity with a 0.25 pound resolution, and also weighs in kilograms. The hook and handle of this scale fold up behind the scale for easy transportation. The MHS also has a built-in tape measure.
My Weigh MHS75
Old Will's Price: $13.90
My Weigh MHS75
The My Weigh MHS Mechanical Hanging Scale has a 75 pound capacity with a 1 pound resolution, and also weighs in kilograms. The hook and handle of this scale fold up behind the scale for easy transportation. The MHS also has a built-in tape measure.
Health o meter 100 Series
Old Will's Price: $16.90
Health o meter 100 Series
The Health o meter 100 Series Mechanical Bathroom Scales. Two scales to choose from with 270 pound or 120 kilogram capacity. These durable scales have a steel base and enamel coating along with a no slip weighing platform and easy to read display.
Weston Sportsman's 50# Pull Type Spring Scale
Old Will's Price: $17.90
Weston Sportsman's 50# Pull Type Spring Scale
The Weston 50# Spring Hanging Scale has a 50 pound capacity with a half pound resolution. This fishing scale has aluminum housing, no-slip grip, handles, stainless steel components, and a convenient weight marker.
Weston Sportsman's 90# Bow Scale
Old Will's Price: $23.90
Weston Sportsman's 90# Bow Scale
The Weston 90# Archery Scale has a 90 pound capacity with a 1 pound resolution. This scale was designed to measure the max draw weight of a bow. The bow scale has an easy to read weight marker and corrosion resistant aluminum housing for durability.
Weston Sportsman's 100# Pull Type Spring Scale
Old Will's Price: $25.90
Weston Sportsman's 100# Pull Type Spring Scale
The Weston 100# Spring Hanging Scale has a 100 pound capacity with a 1 pound resolution. This fishing scale has aluminum housing, no-slip grip, handles, stainless steel components, and a convenient weight marker.
Health o meter 175LB
Old Will's Price: $29.90
Health o meter 175LB
The Health o meter 175LB Mechanical Bathroom Scale. 330 pound capacity with 1 pound resolution. This Health o meter bathroom scale has a durable steel base, with enamel finish, and a white, non-slip weighing surface to help prevent slips.
Weston Sportsman's 300#
Old Will's Price: $34.90
Weston Sportsman's 300#
The Weston 300# Sportsman Scale Hanging Scale has a 300 pound capacity with a 5 pound resolution, and also weighs in kilograms. This scale has a durable aluminum body, steel weighing hooks, and weight marker. It also has a conversion table on the front.
Health o meter 7820-000-000
Old Will's Price: $39.15
Health o meter 7820-000-000
The Health o meter 7820-000-000 Hanging Scale. This durable scale has a steel body, powder coated for extra durability. 220 pound / 100 kilogram capacity with 2 pound / 1 kilogram resolution.
Health o meter 142KL
Old Will's Price: $44.90
Health o meter 142KL
The Health o meter 142KL Mechanical Bathroom Scale. 330lb x 1lb / 150kg x 0.5kg capacity. This dual reading bathroom scale has a durable steel base, with baked enamel coating, and a non-slip weighing platform. The 142 also has a large, easy to read dial.
Weston Flat Top 44
Old Will's Price: $44.99
Weston Flat Top 44
The Weston Flat Top 44 Pound Mechanical Dial Scale has a 44 pound capacity with a 0.1 pound resolution and also weighs in kilograms. This scale has a stainless steel construction, large dual reading dial, and tare feature.
Salter 200
Old Will's Price: $59.90
Salter 200
The Salter 200 Academy Professional Mechanical Scale has a 400 pound capacity with a 1 pound resolution, and also weighs in kilograms. This scale has a non-slip surface, large dual reading dial, and durable steel construction.
Adam TBB 610S
Old Will's Price: $66.90
Adam TBB 610S
Adam Equipment TBB 610S Triple Beam Balance has a strong metal housing, stainless steel pan and is built to deliver accurate results time and again. 610g capacity x 0.1g resolution plus onboard ruler, protractor and conversion chart...great for schools.
Health o meter YG500R
Old Will's Price: $71.55
Health o meter YG500R
The Health o meter YG500R Mechanical Diaper And Organ Scale. This durable top loading scale has a 500 gram capacity with 2 gram resolution. The rotating dial is easy to read and the stainless steel platform is easy to keep nice and clean.
My Weigh Triple Beam Balance
Old Will's Price: $79.90
My Weigh Triple Beam Balance
The My Weigh 3-Beam Mechanical Balance has a 2610 gram capacity with a 0.1 gram resolution. This scale has a steel weighing platform, notched and tiered weighing beams, and a magnetic damping system. Attachment weights included.
Health o meter 160 Series
Old Will's Price: $79.90
Health o meter 160 Series
The Health o meter 160 Series Mechanical Bathroom Scales. Three models to choose from 400lb, 180kg or both! These durable scales have a steel base and enamel coating along with a no slip weighing platform and extra large dial display
Weston Flat Top 110
Old Will's Price: $79.99
Weston Flat Top 110
The Weston Flat Top 110 Pound Mechanical Dial Scale has a 110 pound capacity with a 0.5 pound resolution and also weighs in kilograms. This scale has a stainless steel construction, large dual reading dial, and tare feature.
Penn Scale 820 Series
Old Will's Price: Starting at $81.90
Penn Scale 820 Series
The Penn Scale 820 Series Hanging Dial Scales. The dial for this series has a 20 pound capacity with 1 ounce resolution and is easy to read. Several available options make this scale a great choice for produce, fish and many other markets.
Ohaus TJ611
Old Will's Price: $93.75
Ohaus TJ611
The Ohaus TJ-611 is a great economical choice in a triple beam balance. This scale has a 610 gram weight capacity with a 0.1 gram resolution, stainless steel weighing platform, and magnetic damping. Perfect for use in classrooms and labs.
Adam TBB 2610S
Old Will's Price: $93.90
Adam TBB 2610S
Adam Equipment TBB 2610S Triple Beam Balance has a strong metal housing, stainless steel pan and is built to deliver accurate results time and again. 2610g capacity x 0.1g resolution plus onboard ruler, protractor and conversion chart...great for schools.
Seca 750 Viva
Old Will's Price: $97.93
Seca 750 Viva
The Seca Viva 750 mechanical bathroom scale will be a great addition to any home or health facility. This scale is designed with a powder coated steel base, non slip weighing platform, 320 pound / 150 kilogram capacity and easy to read dial.
Adam TBB 2610T
Old Will's Price: $102.90
Adam TBB 2610T
Adam Equipment TBB 2610T Triple Beam Balance has a strong metal housing, stainless steel pan and is built to deliver accurate results time and again. 2610g capacity x 0.1g resolution plus onboard ruler, protractor and conversion chart...great for schools.
Ohaus 750-S0
Old Will's Price: $116.25
Ohaus 750-S0
The Ohaus 750-S0 Three Beam Mechanical Scale has a 610 gram capacity with a 0.1 gram resolution. This scale has a stainless steel weighing platform, tiered notched beams, and a magnetic damping system.
Health o meter 386 Series
Old Will's Price: $125.55
Health o meter 386 Series
The Health o meter 386 Series Mechanical Baby Scale. This pediatric scale has two models to choose from with 50 pound / 25 kilogram capacity. The 386 also has a removable weighing cradle, easy to read dial convenient carry handle for easy transportation.
Ohaus Triple Beam Pro - TP2611
Old Will's Price: $126.75
Ohaus Triple Beam Pro - TP2611
The Ohaus Triple Beam Pro is a great economical choice in a triple beam balance. The Triple Pro comes complete with three attachment weights & a rod and clamp assembly set...great for classroom experiments. Up to 2610 gram capacity x 0.1 gram resolution.
Seca 762 Medica
Old Will's Price: $139.90
Seca 762 Medica
The Seca 762 mechanical bathroom scale has a durable steel design along with non slip weighing platform and large, easy to read dial. This scale is available in two models. 320 pound / 150 kilogram weighing capacities.
Ohaus 710-00
Old Will's Price: $140.25
Ohaus 710-00
Ohaus 710-00 Triple Beam Mechanical Balance is a great tool to have in the lab or classroom for multiple weighing applications. This beam scale comes with a removable stainless steel weighing pan and has a capacity of 610 grams with a 0.1 gram resolution.
Seca 760 Colorata
Old Will's Price: $140.32
Seca 760 Colorata
The Seca Colorata Series Mechanical Bathroom Scales are the perfect scales to brighten up any space. These scales come in four fun colors and are built to last. Each bath scale in this series has a 320 pound capacity x 1 pound resolution.
Ohaus 760-00
Old Will's Price: $146.25
Ohaus 760-00
The Ohaus 760-00 Three Beam Mechanical Scale has a 610 gram capacity with a 0.1 gram resolution. This scale has a stainless steel weighing platform, tiered notched beams, and a magnetic damping system.
Detecto MCS-H Series
Old Will's Price: Starting at $146.41
Detecto MCS-H Series
The Detecto MCS-H Series Hanging Dial Scales are a great solution for multi purpose weighing. Hang your items from the durable "S" hook and read your weights on the easy to read, 8" dial.Models:

MCS-20H, MCS-40H, MCS-10KGH, MCS-20KGH

Seca 754 Nova
Old Will's Price: $150.37
Seca 754 Nova
The Seca Nova 754 mechanical bathroom scale will be a great addition to any home or health facility. This scale is designed with a nickel plated base, and non slip weighing platform, 320 pound capacity x 1 pound resolution and easy to read dial.
Ohaus 720-00
Old Will's Price: $161.25
Ohaus 720-00
Ohaus 720-00 Triple Beam Mechanical Balance has a 610 gram weight capacity with 0.1 gram resolution and weighs with a durable, polypropylene scoop...perfect for weighing small items! This scale's design is great for labs and classrooms.
Detecto MCS-B Series
Old Will's Price: $163.42
Detecto MCS-B Series
The Detecto MCS-B Series Hanging Butcher Scales are great for weighing meats and other items. The MCSB has an 8" dial display for easy viewing and an easy to clean, 11", white enamel weighing plate.Models:

MCS-20B, MCS-10KGB

Detecto MCS-P Series
Old Will's Price: Starting at $167.06
Detecto MCS-P Series
The Detecto MCS-P Series Hanging Dial Scales are a great solution for markets and stores. Weigh your items in the large, galvanized scoop and read your weights on the, easy to read 8" dial.Models:

MCS-20P, MCS-40P, MCS-10KGP, MCS-20KGP

Detecto MCS-DH Series
Old Will's Price: Starting at $169.49
Detecto MCS-DH Series
The Detecto MCS-DH Series Hanging Dial Scales are a great solution for multi purpose weighing. Hang your items from the durable "S" hook and read your weights on the 8" double dial.Models:

MCS-20DH, MCS-40DH, MCS-10KGDH, MCS-20KGDH

Ohaus 710-T0
Old Will's Price: $172.50
Ohaus 710-T0
Ohaus 710-T0 Triple Beam Mechanical Balance is a great tool to have in the lab or classroom for multiple weighing applications. This beam scale comes with a removable stainless steel weighing pan and has a capacity of 610 grams with a 0.1 gram resolution.
Ohaus 1650-00
Old Will's Price: $179.25
Ohaus 1650-00
The Ohaus 1650-00 Dial-O-Gram Scale has a 610 gram capacity with 0.1 gram resolution and can be used with the 707-00 attachment weight set to boost its capacity to 2610 grams. This scale comes with a tare poise, stainless steel platform and dial readout.
Ohaus Harvard Trip 1450-SD
Old Will's Price: $179.25
Ohaus Harvard Trip 1450-SD
The Ohaus 1450-SD Harvard Trip Mechanical Balance has a 2000 gram capacity with 0.1 gram resolution. The weighing platforms are stainless steel for lasting durability. Great science scales for schools and labs!
Detecto MCS-DB Series
Old Will's Price: $186.50
Detecto MCS-DB Series
The Detecto MCS-DB Series Hanging Butcher Scales are great for weighing meats and other items. The MCSB has an 8" double dial for easy viewing from front & back and an 11", white enamel weighing plate.Models:

MCS-20DB, MCS-10KGDB

Ohaus 720-S0
Old Will's Price: $187.50
Ohaus 720-S0
Ohaus 720-S0 Triple Beam Balance has a 610 gram weight capacity with 0.1 gram resolution and comes with a durable, stainless steel weighing scoop, great for weighing gems and small items. This Ohaus scale is perfect for use in many applications.
Detecto MCS-DP Series
Old Will's Price: Starting at $189.54
Detecto MCS-DP Series
The Detecto MCS-DP Series Hanging Dial Scales are a great solution for markets and stores. Weigh your items in the large, galvanized scoop and read your weights on the 8" double dial.Models:

MCS-20DP, MCS-40DP, MCS-10KGDP, MCS-20KGDP

Ohaus Harvard Trip 1550-SD
Old Will's Price: $192.00
Ohaus Harvard Trip 1550-SD
The Ohaus 1550-SD Harvard Trip Mechanical Balance has a 200 gram capacity (up to 2000 grams with additional weights) with 0.1 gram resolution. The weighing platforms are stainless steel for lasting durability. Great science scales for schools and labs!
Health o meter 400KL
Old Will's Price: $199.80
Health o meter 400KL
The Health o meter 400KL Physician's Beam Scale. 350lb x 1/4lb / 160kg x 100g capacity. This dual reading beam scale has a durable steel base, with easy to clean plastic weighing platform. The 400KL also has a large, easy to read, rotating beam display.
Ohaus Harvard Trip 1560-SD
Old Will's Price: $201.00
Ohaus Harvard Trip 1560-SD
The Ohaus 1560-SD Harvard Trip Mechanical Balance has a 20 gram capacity (up to 2000 grams with additional weights) with 0.1 gram resolution. The weighing platforms are stainless steel for lasting durability and tare feature zeros weight up to 225 grams.
Ohaus 1610-00
Old Will's Price: $205.50
Ohaus 1610-00
The Ohaus 1610-00 Dial-O-Gram Scale has a 610 gram capacity with 0.1 gram resolution and can be used with the 707-00 attachment weight set to boost the capacity to 2610 grams. This scale comes with a tare poise, stainless steel platform and dial readout.
Ohaus 1650-W0
Old Will's Price: $205.50
Ohaus 1650-W0
The Ohaus 1650-W0 Dial-O-Gram Scale has a 610 gram capacity with 0.1 gram resolution and can be used with the 707-00 attachment weight set to boost its capacity to 2610 grams. This scale comes with a tare poise, stainless steel platform and dial readout.
Ohaus 730-00
Old Will's Price: $208.50
Ohaus 730-00
Ohaus 730-00 Triple Beam Balance has a 610 gram capacity with 0.1 gram resolution and comes with a durable animal container with air holes placed around the lid. This is perfect for use in labs and veterinary offices.
Seca 700 Pounds Only Model
Old Will's Price: $210.95
Seca 700 Pounds Only Model
The Seca 7001121008 Mechanical Physician's Scale has a 500 pound capacity with 1/8 pound resolution. This column scale also has integrated wheels for transportation, a large weighing area and easy to read and easy to use weight beams.
Health o meter 402KL
Old Will's Price: $213.30
Health o meter 402KL
The Health o meter 402KL Physician's Beam Scale. 500lb x 1/4lb / 200kg x 100g capacity. This dual reading beam scale has a durable steel base, with easy to clean plastic weighing platform. The 402KL comes complete with an attached height rod..
Health o meter 402LB
Old Will's Price: $213.30
Health o meter 402LB
The Health o meter 402LB Physician's Beam Scale. 500lb x 1/4lb capacity. This mechanical beam scale has a durable steel base, with easy to clean platform. The 402LBWH also comes complete with an attached height rod.
Seca 700 Pounds Only Model - Height Rod Included
Old Will's Price: $222.56
Seca 700 Pounds Only Model - Height Rod Included
The Seca 7001121998 Mechanical Physician's Scale has a 500 pound capacity and includes the seca 220 height rod that attaches to the scale. This column scale also has integrated wheels for transportation, a larger weighing area and easy to read beams.
Seca 700 Pound & Kilogram Model - Height Rod Included
Old Will's Price: $222.56
Seca 700 Pound & Kilogram Model - Height Rod Included
The Seca 7001321998 Mechanical Physician's Scale has a 160 kilogram / 400 pound capacity and includes the seca 220 height rod for getting both weight and height measurements. This scale also has transport wheels and an easy to read display.
Seca 700 Kilograms Only Model - Height Rod Included
Old Will's Price: $222.57
Seca 700 Kilograms Only Model - Height Rod Included
The Seca 7001021998 Mechanical Physician's Scale has a 220 kilogram capacity and includes the seca 220 height rod that attaches to the scale. This column scale also has integrated wheels for transportation, a larger weighing area and easy to read beams
Detecto MCS-F Series
Old Will's Price: Starting at $229.03
Detecto MCS-F Series
The Detecto MCS-F Series Hanging Dial Scales are great for weighing fish or fresh washed veggies. Stainless steel pan with drainage holes included with the 8", easy to read dial display.Models:

MCS-20F, MCS-40F, MCS-10KGF, MCS-20KGF

Health o meter 402KLWH
Old Will's Price: $229.50
Health o meter 402KLWH
The Health o meter 402KLWH Physician's Beam Scale. 500lb x 1/4lb / 200kg x 100g capacity. This dual reading beam scale has a durable steel base, with easy to clean platform. The 402KLWH comes complete with an attached height rod and rolling castors.
Health o meter 402LBWH
Old Will's Price: $229.50
Health o meter 402LBWH
The Health o meter 402LBWH Physician's Beam Scale. 500lb x 1/4lb capacity. This mechanical beam scale has a durable steel base, with easy to clean platform. The 402LBWH also comes complete with an attached height rod and rolling castors.
Detecto MCS-DF Series
Old Will's Price: Starting at $252.11
Detecto MCS-DF Series
The Detecto MCS-DF Series Hanging Dial Scales are great for weighing fish or fresh washed veggies. Stainless steel pan with drainage holes included with the 8", double dial display.Models:

MCS-20DF, MCS-40DF, MCS-10KGDF, MCS-20KGDF

Seca 700 Pounds Only Model - Hand Post Included
Old Will's Price: $259.87
Seca 700 Pounds Only Model - Hand Post Included
The Seca 7001121938 Mechanical Physician's Scale has a 500 pound capacity and includes a sturdy hand post to help patients maintain balance when weighing. This column scale also has wheels for easy transportation, large platform and easy to read beams.
Penn Scale 1702B
Old Will's Price: $259.90
Penn Scale 1702B
The 1702B Mechanical Baker's Scale From Penn Manufacturing has an 8 pound capacity with 1/4 ounce resolution. This durable scale is constructed of powder coated cast iron and has two 9" weighing pans for measuring your ingredients.
Health o meter 1522KL
Old Will's Price: $291.60
Health o meter 1522KL
The Health o meter 1522KL Mechanical Pediatric Scale. 130lb x 1oz / 65kg x 20g capacity. This beam baby scale has a durable steel base, with an easy to clean weighing cradle and dual reading weight beams.
Health o meter 1524KL
Old Will's Price: $344.25
Health o meter 1524KL
The Health o meter 1524KL Mechanical Pediatric Scale. 130lb x 1oz / 65kg x 20g capacity. This beam baby scale has a durable steel base, with an easy to clean weighing seat and dual reading weight beams.
Detecto T3530 - NTEP Approved
Old Will's Price: $665.82
Detecto T3530 - NTEP Approved
The Detecto T3530 Legal for Trade hanging dial scale is perfect for use anywhere your items are sold by weight. The large, double sided dial is easy to read with black digits & red pointer. 15" stainless steel weighing pan included.
Health o meter 445KL
Old Will's Price: $715.50
Health o meter 445KL
The Health o meter 445KL high capacity mechanical chair scale. This medical scale has a 440lb capacity x 1/4lb resolution and a sturdy weighing seat for unstable patients. The 445 is full of great features like rolling castors, easy to read beams and more
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