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 PH ELECTRODES,ISE ,CONDUCT PROBE
 

SENTEK pH and REFERENCE ELECTRODES

Sentek Glass Bodied Combination pH Electrode

ORDER
NUMBER		 ELECTRODE DESCRIPTION Electrode
Design		 DIMENSIONS
(mm)		 STEM (mm) pH
RANGE		 TEMP
RANGE
(°C)		 REFERENCE
TYPE		 JUNCTION
TYPE
pH ELECTRODES
P10 Glass pH - requires separate reference A 120 x 12 - 0 - 14 0 - 80 - -
P11 Glass combination for liquids B 120 x 12 - 0 - 14 0 - 80 AgCl Annular ceramic
P12 Long reach micro combination C - 150 x 6 0 - 14 0 - 80 AgCl Frit ceramic
P13 Semi - micro combination D - 90 x 4.5 0 - 14 0 - 80 AgCl Frit ceramic
P14 Epoxy bodied combination E 120 x 12 - 0 - 14 0 - 60 AgCl Porous Teflon
P15 Combination for low conductivity water B 120 x 12 - 0 - 14 0 - 50 HgCl Annular ceramic
P16 Combination for Tris buffers D - 90 x 6 0 - 14 0 - 50 HgCl Frit ceramic
P17 Flat head combination F 120 x 12 - 0 - 14 0 - 80 AgCl Porous Teflon
P18 Spear combination for slurries G 120 x 12 - 0 - 14 0 - 80 AgCl Annular ceramic
P19 Spear combination for semi-solids H - 40 x 6 0 - 14 0 - 80 AgCl Frit ceramic
P20 pH combination with integral ATC S 120 x 12 - 0 - 14 0 - 100 AgCl Porous Teflon
P21 Combination ground glass sleeve junction I 120 x 12 - 0 - 14 0 - 80 AgCl Sleeve
PI10 Industrial pipeline - 13.5 PG thread - 120 x 12 - 0 - 14 0 - 130 AgCl Porous Teflon
PI11 Industrial dip combination - ¾"NPT thread - 150 x 25.9 - 0 - 14 0 - 100 AgCl Porous Teflon
REFERENCE ELECTRODES
R1 Calomel (Hg/Cl) glass reference J 120 x 12 - - 0 - 50 HgCl Frit ceramic
R2 Calomel (Hg/Cl) double junction reference K 120 x 12 - - 0 - 50 AgCl Frit ceramic
R3 Calomel (Hg/Cl) capillary reference L 120 x 12 - - 0 - 50 HgCl Capillary
R4 Epoxy bodied Ag/Cl reference M 120 x 12 - - 0 - 100 AgCl Porous Teflon

To choose an electrode for a specific application, please see the pH Electrode Selection Chart

NOTES:
All pH electrodes are supplied with 1 metre of cable and a BNC plug as standard.
If an additional cable length or alternative plug is required, please specify when ordering.
P11 - this electrode can be supplied with a robust tip. Order number: P11-ROD.
P13 - this electrode can be supplied 3.7mm diameter/180mm length. Order number: P13-3.7-180-NMR.
P20 - this electrode is supplied with integral temperature compensation.
Industrial pH sensors (PI10 and PI11) are supplied with 5 metres of cable as standard.
If additional length is required, please specify when ordering. |
ATC can be built in. Please specify when ordering.
Reference Cells (R1 - R4) are supplied with 1 metre of cable and a 2mm plug as standard.

 
SENTEK pH ELECTRODE SELECTION CHART

KEY:      yes = Recommended      no = Not Suitable      sat = Satisfactory
SAMPLE TYPE P11 P11HA P12 P13 P14 P16 P17 P18 P19 P10 P20 P21
Agar no no no no no no yes no no no no no
Alkalines (High) no yes no no no no no no no no no no
Beer yes no yes yes yes no yes no no yes yes yes
Blood Product yes no yes yes sat sat yes no no yes sat yes
Bread, Dough no no no no no no sat yes yes no no no
Cement yes yes sat sat sat no sat sat sat sat sat sat
Cosmetics yes no yes yes yes no yes sat sat sat sat yes
Dairy Product yes no yes yes sat no yes sat yes sat no no
Education yes sat sat sat yes sat yes sat sat yes yes sat
Fats/Creams sat no sat no no no sat sat yes sat no no
Field Use sat no no no yes no yes yes sat no yes no
Fish Product sat no sat sat sat no yes sat yes sat no sat
Lab Flasks no no yes no no no no no no no no no
Low Ionic yes no sat no no no no no no sat no yes
Meat, Cheese no no no no no no yes sat yes no no no
Micro Samples no no sat yes no sat sat no sat no no no
Paint no no yes yes no no yes no no yes no no
Photographic no yes no no no no no no no no no no
Soil sat no sat sat sat no no yes yes sat no no
Surface no no no no no no yes no no no no no
Test Tubes no no yes sat no yes no no no no no no
Tris Buffer no no no no no yes no no no no no no
Viscose Samples no no no no no no yes sat sat no no no

NOTES:
For emulsions, liquors, non-aqueous samples and oils use type P11 5050.
For hydrofluoric acid samples use type P14-ANT.
Electrode P10 requires a separate reference electrode - type R1 or R2.
 

SENTEK CALIBRATION and ACCESSORY SOLUTIONS

Sentek pH Buffer Capsules and Solutions

Sentek supply a comprehensive range of pH buffers, conductivity standards, ISE standard calibration solutions, ionic strength adjustment buffers and various electrode filling, cleaning and storage solutions. For further product information, please contact our offices.

ORDER NUMBER DESCRIPTION VOLUME (mls)
pH BUFFER CAPSULES
(supplied in packs of 50)
790-13 pH 4 buffer 100
790-17 pH 7 buffer 100
790-20 pH 9 buffer 100
790-21 pH 10 buffer 100
pH BUFFER SOLUTIONS
788-11 pH 4 buffer 500
788-12 pH 4 buffer 1000
788-13 pH 4 buffer 5000
788-14 pH 7 buffer 500
788-15 pH 7 buffer 1000
788-16 pH 7 buffer 5000
788-17 pH 9 buffer 500
788-18 pH 9 buffer 1000
788-19 pH 9 buffer 5000
788-20 pH 10 buffer 500
788-21 pH 10 buffer 1000
788-22 pH 10 buffer 5000
CONDUCTIVITY STANDARDS
789-11 1413uS 500
789-12 12.88mS 500
789-13 111.8mS 500
REFERENCE ELECTRODE
FILLING SOLUTIONS
551-53 LiAc 100
551-54 TEAC 100
551-55 LiCl 100
551-56 NH4Cl 100
551-64 KCl 100
551-65 KNO3 100
551-66 NaNO3 100
551-68 3M KCl/AgCl 100
551-69 (NH4)2SO4 100
 
 
 


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