Tablet Hardness Testers: Features Comparison

Below is a comparison of major features between the SOTAX HT 100 and other popular Automatic Tablet Hardness Testers.
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  Sotax HT 100
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Dr. Schleuniger Pharmatron AutoTest 4 (AT4)
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Dr. Schleuniger Pharmatron SmartTest 50
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Erweka MultiCheck 6
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Erweka EasyCheck
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Erweka TBH 425
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Model Variations - Standard, SC, RC, HC, B, L TDH, WTDH Basic, Standard, All-rounder Basic, Pro Standard, D, TD, WTD
Type Fully automatic Fully automatic Semi-automatic Fully automatic Fully automatic Semi-automatic
TABLET HARDNESS
Measuring Range 5 - 500 N
5 - 1000 N
Standard: up to 400 N
Optional: 50 N / 500 N / 800 N
Standard: up to 400 N
Optional: 50 N / 500 N / 800 N
3 - 500 N
Optional: of up to 1000 N
3 - 500 N
Optional: 3 - 1000 N
3 - 500 N
Optional: 3 - 1000 N
Accuracy ± 1 N
± 2 N 
Better than ±1 N Better than ±1 N ±1 N ±1 N ± 1 N
Units of measure N, Sc, Kp N, Sc, Kp, programmable user-defined factor (based on N) N, Sc, Kp, programmable user-defined factor (based on N) N, Sc, Kp and lbf N, Sc and kgf N, Sc, Kp
TABLET DIAMETER / LENGTH      
Measuring Range 0.00 – 30.00 mm Up to 25 mm
(1.0 inch)
0 – 25 mm
(0 – 0.98 inch)
2 - 28 mm 2  -  26 mm 2 - 28 mm
Accuracy ± 0.05 mm N/A N/A  ±0.05 mm ± 0.05 mm ± 0.05 mm
Resolution   0.01 mm
(0.00039 inch)
0.01 mm
(0.00039 inch)
N/A N/A N/A
Units of measure mm/inch mm/inch mm/inch mm/inch mm/inch mm/inch
TABLET THICKNESS  
Measuring Range 0.00 – 18.00 mm Up to 15 mm
(0.6 inch)
0-15 mm
(0-0.59 inch)
0.10 - 10 mm 0.10 - 10 mm 0.10 - 10 mm
Accuracy ±0.05 mm N/A N/A ±0.05 mm ±0.05 mm ±0.05 mm
Resolution   0.01 mm
(0.00039 inch)
0.01 mm
(0.00039 inch)
N/A N/A N/A
Units of measure mm/inch mm/inch mm/inch mm/inch mm/inch mm/inch
TABLET WEIGHT
Measuring Range 0.0 mg - 4.9 g
5.0 g - 30.0 g
Up to  100 g 0.1mg – 50g 0.02 g - 124g 0.02 - 124g 20.0 mg - 64 g
Accuracy ± 0.2 mg
± 1.0 mg
N/A  N/A  ±0,001 g ± 0.0001 g ± 0.1 mg
Resolution   0.1 mg 0.1 mg      
Units of measure mg/g mg/g mg/g mg/g mg/g mg/g
TABLET WIDTH
Measuring Range 0.00 – 30.00 mm N/A 0 – 25 mm
(0 – 0.98 inch)
2 - 28 mm 2 - 26mm N/A
Accuracy ± 0.05 mm N/A   ±0.05 mm ±0.05 mm N/A
Resolution   N/A 0.01 mm
(0.00039 inch)
N/A  N/A  N/A
Units of measure mm/inch N/A mm/inch mm/inch mm/inch N/A
HARDNESS MEASUREMENT PRINCIPLES
Constant Speed 5 – 200 mm/min N/A 0.05 – 5 mm/sec, programmable 0.05 - 3.00 mm/sec 0.05 - 3.00 mm/sec 0.5 - 3 mm/sec.
Constant Force 10–100 N/sec N/A 10 – 200 N/sec, programmable 10 - 200 N/sec 10 - 200 N / sec 10 - 200 N/sec.
OTHER
Software Q-DOC Q-DOC
TabStat Pro
PH21
TabStat DataCenter MC.net Tablet Hardness Software MC.net Tablet Hardness Software MC.net Tablet Hardness Software
QA Compliance USP (chapter 1217, tablet breaking force)
EP (2.9.8, resistance to crushing of tablets)
USP (chapter 1217, tablet breaking force)
EP (2.9.8, resistance to crushing of tablets)
USP (chapter 1217, tablet breaking force)
EP (2.9.8, resistance to crushing of tablets)
USP/EP/JP compliant USP/EP/JP compliant USP/EP/JP compliant