| Automatic Titrator for exchangeable heads for potentiometry and KF |
| The Titroline® 7750 is the all-rounder for both potentiometric titration and volumetric KF titration. The TitroLine® 7750 combines the features of the potentiometric titrator TitroLine® 7000 and the volumetric Karl Fischer titrator TitroLine® 7500. |
| General features |
| • High visibility, full color display that can be easily viewed from a distance and at extreme angles. |
| • Reagent data is securely stored in the intelligent and interchangeable modules |
| • Includes up to three USB, one LAN and two RS232 ports for expansion and connection of devices |
| • Export the results as PDF or CSV, also to networks. |
| Specific features for the TitroLine® 7750 |
| • Automatic wireless recognition of SI Analytics ID electrodes guarantee accurate calibration and measurements |
| • High resolution pH/mV-electrode and temperature inputs for pH, ISE, redox (ORP) or photometric titrations. |
| • Perfect for non-aqueous titration such as acid and base numbers in oils (TAN and TBN) |
| • Polarizable electrode input for set endpoint titrations („Dead-stop“ + KF) |
| • Linear (fixed increment) and dynamic equivalence point titration mode and titration to endpoints |
| • pH Stat titrations |
| • volumetric KF titrations |
| • Single and continuous measuring function |
| • Formula editor for individual calculations |
| • User management/password |
| Latest features |
| • Titrations with the new photometric sensor OptiLine 6 |
| • Dosing with up to two connected piston burettes per method |
| • Titration with external piston burette |
| Scope of delivery: |
| Basic unit without magnetic stirrer and without exchangeable head, with keyboard, hand controller, stand rod and titration clamp Z 305, power supply 100-240 V |
Specification:
| Measuring input analog | pH/mV-input with 24 bit transducer. Electrode socket according to DIN 19 262 or BNC with RFID receiver for SI Analytics ID electrodes |
| Measuring range pH/accuracy | – 3.0… 18.00 / 0.002 +/- 1 digit |
| Measuring range mV/accuracy | – 2000…2000/ 0.1 +/- 1 digit |
| Measuring input µA/KF: | μA-connector for double platinum electrodes, connection: 2 x 4 mm – sockets), polarisation voltage variably adjustable |
| Measuring input temperature: | Connector for Pt 1000 / NTC 30 KOhm ( connection: 2 x 4 mm – sockets) |
| Measuring range temperature | Pt 1000 – 75…195 °C / NTC 30 KOhm – 40 …125 °C |
| Interfaces: | 3 × USB (2 x USB-A and 1 × USB-B), 2 × RS-232-C and 1 x LAN |
| Interchangeable burettes | 5, 10, 20 ml or 50 ml intelligent interchangeable burette units |
| Resolution (Steps): | 20.000 steps |
| Dosing accuracy: | according to DIN ISO 8655, part 3: |
| accuracy: < 0.15 % | |
| precision: < 0.05 – 0.07 % (in dependence of the used burette size) | |
| Display | 3.5 inches – 1/4 VGA TFT graphic color display with 320 x 240 pixels |
| Housing material | Polypropylene |
| Dimensions | 15.3 x 45 x 29.6 cm (W x H x D), height with interchangeable head |
| Front keyboard | Polyester coated |
| Material interchangeable burettes | Valve: PTFE/ETFE; |
| Cylinder: borosilikate glass 3.3 (DURAN®) | |
| hoses (FEP, blue) | |
| Weight | 2.3 kg for basic device, 3.5 kg für complete device with interchangeable head (with empty reagent bottle) |
| Ambient conditions | Ambient temperature: + 10 … + 40 °C for operation and storage Humidity according to EN 61 010, Part 1: max. relative humidity 80 % for temperatures up to 31 °C, linear decrease down to 50 % relative humidity at a temperature of 40 °C |
| Power supply: | 100-240 V; 50/60 Hz, power input: 30 VA |
| CE-sign: | EMC compatibility according to the Council Directive: 2004/108/EG; applied harmonized standards: EN 61326-1:2006 |
| Low-voltage directive according to the Council Directive 2006/95/EG Testing basis EN 61 010, Part 1 |
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