£176.60 excl. VAT
£211.92 inc. VAT
The compact Blueline program covers the most important measuring applications in laboratories.
Reliable high speed settings over a wide temperature range, new membrane glass with higher mechanical stability, as well as improved gel electrolyte are only a few features ensuring improved functionality.
On electrodes with liquid electrolytes the refill opening is sealed tightly with a practical sliding plug. These elecrodes have a platinum diaphragm developed by Schott, which give the electrodes a particularly constant and reproducible measuring characteristic.With Silamid reference system
Range: 0-14pH
Making sure you have the right electrode and meter for your application can be confusing, not to mention correct maintenance and what to do if you are having issues. You can find links to our support guides below to help you through the process.
If you are after an electrode selector guide for some of our most popular electrodes and what applications they are recommended for you can find that below.
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An introduction to pH pH, put simply is a measure of how acidic or basic a solution is. It is a measure of H+ions present. pH can be measured in a number of ways including test strips, indicator solution or with a pH meter and electrode. If you want to read more about the pH and the pros and cons of these methods, you can check out our introduction guide here. |
How to take a pH reading and care for your electrode pH electrodes require the correct storage and regular calibration. If you have a pH meter or are looking to purchase and need to find out more about the care and maintenance process then you can read our guide here. We also include a troubleshoot sections with the most reported issues and possible solutions. |
Selecting the right electrode and meter for your application So you have decided you need to purchase a pH meter with electrode, but with such a wide selection out there, how do you know which is right for you? You can read our guide on the differences between electrodes and what applications different features are good for. We also have an electrode selection guide for some of our most popular electrodes. |
Related Products |
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If you require any further assistance, or extra information you can request that here and one of our trained technical specialists will be in contact. Please provide as much detail as possible so that we can get back to you with the right information.
Contains older SI Analytics products being replaced by WTW products.
BlueLine Laboratory Electrodes with Glass Shaft |
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| Old Code | Old model | New Code | New model |
| 285129311 | BlueLine 31 RX | 103648 | SenTix® ORP |
| 285095730 | BlueLine 15 pH Ci | 103813 | SenTix® 86 |
| 285095740 | BlueLine 15 pH NTC10 | 103814 | SenTix® 87 |
| 285129114 | BlueLine 11 pH | 103639 | SenTix® 60 |
| 285129122 | BlueLine 12 pH | 103640 | SenTix® 61 |
| 285129139 | BlueLine 13 pH | 103650 | SenTix® HW |
| 285129440 | BlueLine 14 ID | 285130275 | A 162 2M DIN-ID |
| 285129147 | BlueLine 14 pH | 103642 | SenTix® 81 |
| 285129155 | BlueLine 15 pH | 103643 | SenTix® 82 |
| 285129163 | BlueLine 16 pH | 103647 | SenTix® Mic |
| 285129171 | BlueLine 17 pH | 103641 | SenTix® 62 |
| 285129188 | BlueLine 18 pH | 103810 | SenTix® 83 |
| 285129190 | BlueLine 19 pH | 103811 | SenTix® 84 |
| 285129490 | BlueLine 19 pH NN | 103812 | SenTix® 85 |
| 285129274 | BlueLine 27 pH | 103646 |
SenTix® Sur |
BlueLine Field Electrodes with Plastic Shaft |
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| Old Code | Old model | New Code | New model |
| 1063462 | BlueLine 23 pH 2m | 103632 | SenTix® 21-3 |
| 1065895 | BlueLine 29 pH | 103806 | SenTix® 44 |
| 285095712 | BlueLine 26 Ci | 103807 | SenTix® 46 |
| 285095760 | BlueLine 26 pH NTC10 | 103808 | SenTix® 47 |
| 285111145 | TopLine 24 pH | 103816 | SenTix® Top 41 |
| 285111150 | TopLine 24 pH IDS | 103744 | SenTix® Top 940 |
| 285111165 | TopLine 26 pH Chinch | 103817 | SenTix® Top 46 |
| 285129212 | BlueLine 21 pHT DIN-N | 103733 | SenTix® Sp-T |
| 285129217 | BlueLine 21 pH | 103645 | SenTix® Sp |
| 285129225 | BlueLine 22 pH | 103630 | SenTix® 20 |
| 285129233 | BlueLine 23 pH | 103631 | SenTix® 21 |
| 285129241 | BlueLine 24 pH | 103635 | SenTix® 41 |
| 285129258 | BlueLine 25 pH | 103633 | SenTix® 22 |
| 285129266 | BlueLine 26 pH | 103637 | SenTix® 42 |
| 285129282 | BlueLine 28 pH | 103805 | SenTix® 43 |
| 285129320 | BlueLine 32 Rx | 103815 | SenTix® Rx |
| 285129321 | BlueLine 32 Rx IDS | 103792 | SenTix® Rx-T 900 |
| 285129460 | BlueLine 54 pH | 103651 | SenTix® 51 |
| 285129533 | BlueLine 24-3 pH | 103636 | SenTix® 41-3 |
| 285129640 | BlueLine 56 pH | 103652 | SenTix® 52 |
| 285129660 | BlueLine 56 pH NTC10 | 103809 | SenTix® 57 |
ScienceLine |
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| Old Code | Old model | New Code | New model |
| 1054512 | N 1052 A | 285130275 | A 162 2m DIN ID |
| 1061051 | Ag CL 65 (Pt Dia) | 285102413 + 285215229 | AgCl 62 + TZ 1520 |
| 1070028 | B 2420 + | 1070075 | B 3920 + |
| 285100248 | H 65 | 285100215 + 285215229 | H 62 + TZ 1520 |
| 285100437 | N 42 A | 285100042 + 285122456 | N 6280 + Cable L1A |
| 285100445 | N 48 A | 285101211 + 285122456 | L 6880 + Cable L1A |
| 285100494 | N 52 A | 285100034 + 285122456 | N 62 + Cable L1A |
| 285101252 | L 7780 | 285101260 | A 7780 |
| 285101544 | N 42 BNC | 285100042 + 285122497 | N 6280 + Cable L1BNC |
| 285101569 | N 48 BNC | 285101211 + 285122497 | L 6880 + Cable L1BNC |
| 285102051 | Ag 42 A | 285102343 + 285122456 | Ag 6280 + Cable L1A |
| 285102130 | Pt 7780 3Ker | 285102281 | Pt 8280 |
| 285102216 | Ag 6580 | 285102343 + 285215229 | Ag 6280 + TZ 1520 |
| 285102232 | Pt 6180 | 285102002 | Pt 61 |
| 285102257 | Pt 6580 | 285102249 + 285215229 | Pt 6280 + TZ 1520 |
| 285102302 | Pt 42 A | 285102249 + 285122456 | Pt 6280 + Cable L1A |
| 285102516 | N 6580 | 285100042 + 285215229 | N 6280 + TZ 1520 |
| 285102808 | NH 1100 | 106395 | NH 500/2 |
| 285103537 | Pt 1400 | 285103512 + 285215229 | Pt 1200 + TZ 1520 |
| 285105451 | N 52 BNC | 285100034 + 285122497 | N 62 + Cable L1BNC |
| 285106037 | LF 513 T | 285106131 | LF 613 T |
| 285106148 | LF 413 T-3 | 301970 | TetraCon® 325-3 |
| 285106150 | LF 213 T | 301962 | LR 325/001 |
| 285106160 | LF 213 T-ID | 301962 | LR 325/001 |
| 285106172 | LF 413 T | 301960 | TetraCon® 325 |
| 285106250 | LF 813 T | 285106131 | LF 613 T |
| 285130100 | L 6880 1m DIN ID | 285101211 + 285122456 | L 6880 + Cable L1A |
| 285130110 | L 6880 1m BNC ID | 285101211 + 285122497 | L 6880 + Cable L1BNC |
| 285130160 | A 157 1m DIN ID | 285101335 | SCPpHT-MIC-AMF-3M-DIN-N |
| 285130170 | A 157 1m BNC ID | 285101340 | SCPpHT-MIC-AMF-3M-BNC-N |
| 285130240 | A 161 1m DIN ID | 285101320 | SCPpHT-A170MF-3M-DIN-N |
| 285130250 | A 161 1m BNC ID | 285101315 | SCPpHT-A170MF-3M-BNC-N |
| 285130280 | A 164 1m DIN ID | 103731 | SenTix® HWD |
| 285130300 | LF 313 T-ID | 301961 | LR 325/01 |
| 285130310 | LF 413 T-ID | 301960 | TetraCon® 325 |
| 285414351 | LF 313 T-NFTC | 301961 | LR 325/01 |
| 285414360 | LF 313 T | 301961 |
LR 325/01 |
Analog Portables pH/ORP |
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| Old Code | Old model | New Code | New model |
| 285202370 | HandyLab 100/K | 2AA310 | pH 3310 |
| 285204500 | HandyLab 100 ROUTINE | 2AA310 + 103642 | pH 3310 + SenTix® 81 |
| 285204510 | HandyLab 100 FIELD | 2AA312 | pH 3310 Set 2 |
| 285204520 | HandyLab 100 VERSATILE | 2AA310 + 285101290 | pH 3310 + A 7780 NTC30-DIN-N |
| Analog Portables Conductivity | |||
| Old Code | Old model | New Code | New model |
| 285202380 | HandyLab 200/K | 2CA300 | Cond 3310 |
| 285204530 | HandyLab 200 ROUTINE | 2CA301 | Cond 3310 Set 1 |
| 285204540 | HandyLab 200 VERSATILE | 2CA301 | Cond 3310 Set 1 |
| 285204550 | HandyLab 200 PUREWATER | 2CA300 + 301961 | Cond 3310 + LR 325/01 |
| Analog Benchtop Meters pH/ORP | |||
| Old Code | Old model | New Code | New model |
| 285206300 | Lab 855 | 1AA110 | inoLab® pH 7110 |
| 285206310 | Lab 865 | 1AA310 | inoLab® pH 7310 |
| 285206700 | Lab 855 Set | 1AA114 | inoLab® pH 7110 Set 4 |
| 285206710 | Lab 865 Set | 1AA314 | inoLab® pH 7310 Set 4 |
| 285206810 | Lab 845 Set/BL 19 pH | 285206470 + 103811 | Lab 845 + SenTix® 84 |
| 285206820 | Lab 845 Set/BL 25 pH | 285206470 + 103633 | Lab 845 + SenTix® 22 |
| 285206830 | Lab 845 Set/BL 29 pH | 285206470 + 103806 | Lab 845 + SenTix® 44 |
| Analog Benchtop Meters Dissolved Oxygen | |||
| Old Code | Old model | New Code | New model |
| 285206800 | Lab 745 Set | 1BA301 | inoLab® Oxi 7310 Set 1 |
| Analog Benchtop Meters Conductivity | |||
| Old Code | Old model | New Code | New model |
| 285206340 | Lab 955 | 1CA100 | inoLab® Cond 7110 |
| 285206760 | Lab 955 Set | 1CA101 | inoLab® Cond 7110 Set 1 |
| 285206840 | Lab 945 Set/LF435T | 285206480 + 285206420 | Lab 945 + LF435T |
Digital Multi-Parameter Portables |
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| Old Code | Old model | New Code | New model |
| 285202390 | HandyLab 600/K | 2FD350 | MultiLine® 3510 IDS |
| 285202400 | HandyLab 680/K | 2FD560 | MultiLine® 3620 IDS |
| 285204560 | HandyLab 600 ROUTINE | 2FD350 + 103780 | MultiLine® 3510 + SenTix® 980 |
| 285204570 | HandyLab 600 FIELD | 2FD351 | MultiLine® 3510 Set 1 |
| 285204580 | HandyLab 600 VERSATILE | 2FD350 + 103743 | MultiLine® 3510 IDS + SenTix® 945 |
| 285204630 | HandyLab 600 FOOD | 2FD350 + 103752 | MultiLine® 3510 + SenTix® Sp 900-T |
| 285204670 | HandyLab 680 pH FIELD | 2FD560 + 103740 | MultiLine® 3620 IDS + SenTix® 940 |
| 285204680 | HandyLab 680 pH VERSATILE | 2FD560 + 301710 + 103743 | MultiLine® 3620 IDS + TetraCon® 925 + SenTix® 945 |
| 285204730 | HandyLab 680 pH FOOD | 2FD560 +103752 | MultiLine® 3620 IDS + SenTix® Sp 900-T |
| 285204760 | HandyLab 680 COND VERSATILE | 2FD560 + 301710 | MultiLine® 3620 + TetraCon® 925 |
| 285204770 | HandyLab 680 OX VERSATILE | 2FD560 + 201300 | MultiLine® 3620 + FDO 925 |
| 285204780 | HandyLab 680 pH/COND PW | 2FD560 + 301720 + 103753 | MultiLine® 3620 + LR 925/01 + SenTix® HW-T 900 |
| 285204790 | HandyLab 680 pH/COND VERSAT | 2FD56C | MultiLine® 3620 Set C |
| 285204800 | HandyLab 680 pH/OX VERSAT | 2FD560 + 201300 + 103743 | MultiLine® 3620 IDS + FDO 925 + SenTix® 945 |
| 285204810 | HandyLab 680 pH/COND/OX VER | 2FD56G | MultiLine® 3620 Set G |
Digital Multi-Parameter Benchtop Meters |
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| Old Code | Old model | New Code | New model |
| 285206320 | Lab 875 | 1FD350 | inoLab® Multi 9310 IDS |
| 285206330 | Lab 875P | 1FD350P | inoLab® Multi 9310P |
| 285206350 | ProLab 2500 | 1FD570 | inoLab® Multi 9630 IDS |
| 285206720 | Lab 875 pH Set | 1FD352 | inoLab® Multi 9310 Set 2 |
| 285206730 | Lab 875 Cond Set | 1FD353 | inoLab® Multi 9310 IDS Set 1 |
| 285206740 | Lab 875P pH Set | 1FD350P + 103780 | inoLab® Multi 9310P + SenTix® 980 |
| 285206750 | Lab 875P Cond Set | 1FD350P + 301710 | inoLab® Multi 9310P + TetraCon® 925 |
| 285206770 | ProLab 2500 p-Set | 1FD570 + 103780 | inoLab® Multi 9630 IDS + SenTix® 980 |
| 285206780 | ProLab 2500 p/C-Set | 1FD56C | inoLab® Multi 9620 IDS Set C |
| 285206790 | ProLab 2500 p/C/O-Set | 1FD57K | inoLab® Multi 9630 IDS Set K |
IDS Sensors |
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| Old Code | Old model | New Code | New model |
| 285106290 | LF 413T 3M FORK IDS | 301719 + 903851 | TetraCon® 925/LV-P + AS/IDS-3 |
| 285129210 | BlueLine 21 pH IDS | 103752 | SenTix® Sp-T 900 |
| 285129240 | BlueLine 24 pH IDS | 103740 | SenTix® 940 |
| 285129243 | BlueLine 24-3 pH IDS | 103741 | SenTix® 940-3 |
| 285129270 | BlueLine 27 pH IDS | 108130 + 103646 | ADA S7/IDS and SenTix® Sur |
| 285129310 | BlueLine 31 RX IDS | 103791 | SenTix® ORP-T 900 |
| 285129321 | BlueLine 32 Rx IDS | 103792 | SenTix® Rx-T 900 |
| 285129140 | BlueLine 14 pH IDS | 103780 | SenTix® 980 |
| 285202410 | LF 413 T IDS | 301710 | TetraCon® 925 |
| 285202420 | LF 413 T 3M IDS | 301711 | TetraCon® 925 -3 |
| 285202430 | LF 313 T IDS | 301720 | LR 925/01 |
| 285202440 | FDO 1100 IDS | 201300 | FDO® 925 |
Buffers and Solutions |
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| Old Code | Old model | New Code | New model |
| 285126540 | Conductivity Solutions | 300508 | KS 5µ |
| 285137677 | Standard Buffer L 168 4 | 109000 | PL 2 |
| 285138008 | Standard Buffer L 401 4 | 109110 | PL 4 |
| 285138016 | Standard Buffer L 687 4 | 109120 | PL 7 |
| 285138024 | Standard Buffer L 918 4 | 109130 | PL 9 |
| 285138032 | Technical Buffer L 400 4 | 108700 | TEP 4.01 Trace |
| 285138049 | Technical Buffer L 700 4 | 108702 | TEP 7.00 Trace |
| 285138057 | Technical Buffer L 100 4 | 108703 | TEP 10.01 Trace |
| 285138295 | Cleaning Solution L 510 4 | 109648 | Pep/pH |
| 285138419 | Electrolyte Solution L 301 4 | 109705 | KCl-250 |
| 285138505 | Electrolyte Solution L 300 8 | 109706 | KCl-50 |
| 285139156 | Technical buffer solutions LC4004K | 108800 | TPL 4.01 Trace |
| 285139189 | Technical buffer solutions LC7004K | 108803 | TPL 7.00 Trace |
| 285139218 | Technical buffer solutions LC1004K | 108805 | TPL 10.01 Trace |
Accessories |
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| Old Code | Old model | New Code | New model |
| 285122940 | Z 503 | 903843 | pH/ MCS |
| 285201520 | Z 865 | 109813 | STH 9400 |
| 285201530 | Z 870 | 250049 | P 3002 |
| 285202470 | Z 389 | 902780 | SM Pro |
| 285202480 | Z 530 | 2F0004 | KS MultiLine® 2 |
| 285204889 | Z 850 | 900867 | NT Multirange |
| 285206360 | Z 600 | 108131 | ADA 94pH/IDS DIN |
| 285206370 | Z 610 | 250115 | RP 58 HQ |
Traditional glass pH electrodes are very delicate and need regular care to keep them in good working order. If your electrode has been damaged by exposure to incompatible chemicals such as proteins, heavy metals or sulphides, you may be able to clean and revive it using specialized cleaning solutions... [caption id="attachment_7483" align="aligncenter" width="236"] pH electrodes need regu...
When you're looking to buy a pH meter, whether it's to start measuring or to replace an existing meter, the range of brands and specifications available is huge. With so many options it can be difficult to know where to start, but taking a little time to choose carefully could save you a lot of time and money overall by making sure the meter you choose is right for you. [caption id="attac...
Products in this Range
