HORIBA Portable Meter Line-up p H

HORIBA Portable Meter Line-up p. H ○ ○ ○ 　　　　　　　 ○ 　 ORP 　 Conductivity 　 ISE 　　 DO (O 2) 　　　 Resistivity 　　　 Salinity 　　　 ○ ○ Temperature 　　　 ○ Turbidity 　　 Depth 　　　 TDS 　　　 SSG 　　　 ○ ○ 　 ○ 　　　 ○ ○ ○ ○ ○

HORIBA Benchtop Meter Line-up p. H 　　 ○ ○ ○ m. V 　　 ○ ○ ○ Conductivity ○ ○ 　　　 ○ ○ ○ Resistivity ○ ○ 　　 ○ ○ Salinity ○ ○ 　　 ○ ○ ○ 　 ISE 　 ○ Temperature Navi function 　　　 ○ ○ ○ ○ ○

HORIBA Pocket Meters

TWIN Series (p. H, Conductivity) üPocket-size HORIBA flat sensor meter. üTWIN p. H meter is waterproof, suitable for lab and field use. üReplaceable sensor. p. H Conductivity

Cardy Series (Salt, NO 3 -, K+, Na+) üHORIBA flat sensor technology is available in pocket-size. üWorld’s only pocket-size Ion meter for lab, agriculture, food, environmental study, etc. üSensor replaceable. Ion

HORIBA Portable Meters

OM series (OM-51 -2/-10/-lab) üPortable single parameter to measure Dissolved Oxygen. üNo optional unit necessary for RS-232 C, AC or printer connection. üCompact design, larger LCD with IP 67 rated waterproof realizes easy use in the field üData storage up to 300 sets with time stamp. DO O 2 Temperature

ES-50 series (ES-51) üPortable single parameter to measure Conductivity. ü No optional unit necessary for RS-232 C, AC or printer connection. ü Compact design, larger LCD with IP 67 rated waterproof realizes easy use in the field ü Data storage up to 300 sets with time stamp. Conductivity Resistivity Salinity Temperature

D-50 series (D-51, 52, 53, 54, 55) üPortable Multi-Parameter to simultaneously measure p. H and ORP/Ion/Conductivity/DO. üNo optional unit necessary for RS-232 C, AC or printer connection. üCompact design, larger LCD with IP 67 rated waterproof realizes easy use in the field üData storage up to 300 sets with time stamp. p. H ORP Ion Conductivity DO Temperature

U-20 series (U-22, W-22/23) üPortable Multi-Parameter to simultaneously measure up to 13 water quality parameters. üCable length up to 100 m with waterproof rating of IP 67 üOne-touch calibration makes work easy üUp to one month monitoring üHeavy-duty probe fits into 2 -inch well. (flowcell option available) üExpandability to printer, RS-232 and GPS unit p. H ORP Salinity Ion Conductivity (select 3 from 6 options) Turbidity TDS Seawater Specific Gravity DO Temperature Depth

Benchtop Meters

DS-50 series (DS-51, DS-52) üBenchtop single parameter to measure Conductivity üRS-232 C output standard üBattery operation possible for portability. üD-52 with color display and navigation features Conductivity Resistivity Salinity Temperature

F-50 series (F-51 BW, 52, 53, 54 BW, 55) ü Extended GLP/GMP compliance with World’s First meter to comply 21 CFR Part 11 requirements. ü World’s First benchtop meter with color LCD display ü World’s First meter with Compact Flash interface. üUser friendly navigation features full of HORIBA’s 50 years experience ü Meter checker available to verify meter performance ü RS-232 C output standard for all models. ü Battery operation possible for portability. p. H ORP Ion Resistivity Temperature Conductivity Salinity

HORIBA Sensor Technology

New Toup. H Series Electrode 1995 HORIBA Introduced Toup. H 9610 -10 D electrode 2003 HORIBA Introduces Toup. H family with… üAg+ Trap Technology No Ag+ spill, long lasting üToup. Her Design Shorter and wider

Ag+ Trap Technology No Ag+ spill, long lasting Ag+ within the internal solution saturates and clogs the liquid junction üSlow Response üAg+ Contaminates sample Ion exchange material traps Ag+ and prevents Ag+ from spilling into the internal solution üMaintained Fast Response üNo Ag+ Contamination 　New Former KCl Internal Solution Ag/Ag. Cl Electrode 　 Pin hole to Teflon Coating Liquid Junction KCl Internal Solution Pin hole to Teflon Coating Ag/Ag. Cl Electrode 　 Ion exchange material Liquid Junction

Ag+ Trap Technology 3 months monitoring in Protein Sample Conventional New Initial 3 months Repeatability p. H 4 0. 02 0. 01 0 　 p. H 7 0. 03 0. 02 0 　 p. H 9 0. 02 0. 11 0. 04 Sensitivity (%) p. H 4 to p. H 9 99 86 99 98 Tap Water T 90 14 327 11 32 Liquid Junction Color White Black White

Ag+ Trap Technology 3 months monitoring in Tap Water The response is 40 times faster 10 m. V 5 0 Conventional -5 New -10 0 300 600 900 time(s) 1200 1500 1800

Toup. Her Design Shorter and Wider New Conventional 11 mm 15 mm φ6 mm φ8 mm üStrength increased by 4. 4 times more than former Toup. H electrode. Doesn’t break from 1 m height. üNow stronger against impact from all sides üRequires less sample volume üAvailable as Toup. H Family: General purpose, Sleeve and Micro p. H electrodes

Electrode Comparison HORIBA vs. Accumet (13 -620 -285) HORIBA Accumet HORIBA Fisher Internal solution Reference Ion trap KCL Ag/Ag. Cl Yes KCL Ag/Ag. Cl No Toup. H Design No specific design for durability G pole and R pole are on the same height G pole and R pole are on a different height Response üDue to no solution made for Ag+ spill, the response time will become slow in a few months. Strength üNot a durable design, breaks from 10 cm height. Temperature accuracy for p. H measurement üTemperature detected at G pole and the actual temperature at R pole may differ →unreliable p. H value

Electrode Comparison HORIBA vs. Mettler HORIBA Mettler Internal solution Reference Ion trap KCL Ag/Ag. Cl Yes Toup. H Design Durable Design Humidity secured with the sealed cap Soaked in KCl filled cap HORIBA Stabilizes in 3 minutes Response üDue to the storage in KCl solution, response against tap water is very slow. METTLER Stabilizes in 9 minutes *Stabilization: Within 0. 01 p. H drift in 1 minute

Electrode Comparison HORIBA vs. ORION (8202, 8272) HORIBA ORION Internal solution Reference Ion trap KCL Ag/Ag. Cl Yes KI Pt No Toup. H Design No specific design for durability Stable temperature readings No temperature sensor 8 HOR 9611 Stability üp. H value drifted by 0. 5 p. H when applied temperature drift test. 7. 5 Initial ORION 8202 40℃ 2 days ORION 8272 7 p. H Strength üNot a durable design, breaks from a certain height. 6. 5 Room temp. 1 hour Room Temp. 1 hour 6 5. 5 5 0. 5 p. H

Electrode Comparison Summary HORIBA #9611 (new) #9610 (old) TOADKK GST- 5731 C METTLER In. Lab 410 In. Lab 413 Strong･p. H ORION 8202 ROSS 8272 13 -620 Sen. Tix 61 Sentix 20 285 ROSS/ Accumet Sure-Flow standard Glass Strong･ Superior Toup. H durability electrode p. H Feature Reference Silver electrode ion trap Filter Silver ion trap WTW FISHER Superior durability Solid polymeric electrolyte Platinum electrode Filling solution saturated with Ag Gel Tap water response (after three months) ◎ × × ○ ◎ × × × Durability ◎ ○ ○ ◎ × △ △ × ◎ × Ranking No. 1 No. 5 No. 3 No. 7 No. 2 No. 3 No. 8 No. 5 No. 8

Micro Toup. H (9669 -10 D) World’s smallest w/temp. sensor 1. 　No sample contamination In the past… Ag+ Trap Technology Internal solution ooze out from Liquid junction, contaminating the sample No contamination! 2. 　Unbreakable In the past… Electrode hit stirrer or beaker and broke Toup. H Design Strength even breaking the beaker! 3. 　High Precision In the past… Calibration in room temperature →measurement at 37℃ p. H 0. 1 error against p. H 4 solution Built-in Temperature Sensor Reliable measurement! 4. 　For microvolume or Precious samples In the past… Enough volume of precious or large container has to be prepared 3 mm diameter sensor Requires only 0. 3 ml of your sample

Toup. H Sleeve (9677 -10 D) Ideal for viscous or slurry sample 1. 　No sample contamination In the past… Ag+ Trap Technology Internal solution ooze out from Liquid junction, contaminating the sample No contamination! 2. 　Unbreakable In the past… Electrode hit stirrer or beaker and broke Toup. H Design Strength even breaking the beaker! 3. 　Works with difficult samples In the past… Hard to measure viscous sample (does not come in contact with liquid junction) or slurry sample (clogs the liquid junction) Slurry Design Viscous sample still contacts with liquid junction, cleaning is also easy

ISFET Electrode (0030 -10 D) Ideal for food measurement 1. 　Easy maintenance ・No need to replace or refill KCl internal solution ・Just replace a tip when sensor is consumed Easy to use 2. 　Ideal for food measurement ・Food additives (CMC, Glycerine, KCl) is used for internal solution ･Glass will not break into sample (food) ・Tip design allows for easy sample entry For meat and fruit 3. 　Minimize running cost ・Replaceable tip makes it economical and environmentally friendly. Just replace the tip!

Optional Products Cleaning Reagent Model #220 10% Thiourea, 1% HCl Effective for liquid junction cleaning, removing contamination from inorganic sample Over 50% of electrodes recovers, based on HORIBA experience. Digital Simulator Model X-51 Model X-52 Checks meter performance Gives simulation signal to the meter (for p. H, m. V, Ion, DO check ) Checks meter performance Gives simulation signal to the meter (for Conductivity check ) Electrode Stand AC Adatper Ink Printer For Portable meters For GLP/GMP compliance