TitroLine® 7750 Universal Automatic Titrators

The TitroLine® 7750 is the universal automatic titrator 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

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 to 18.00… 0.002 +/- 1 digit

Measuring range mV/accuracy: – 2000 to 2000… 0.1 +/- 1 digit

Measuring input µA/KF: μA-connector for double platinum electrodes, connection: 2 x 4 mm – sockets), polarization 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 to 95 °C… NTC 30 KOhm – 40 to 125 °C

Interfaces: 2 x USB-A and 1 × USB-B, 2 × RS-232-C and 1 x LAN

Exchangeable burettes: 5, 10, 20 ml or 50 ml intelligent exchangeable 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 exchangeable head

Front keyboard: Polyester coated

Material exchangeable burettes: Valve: PTFE/ETFE; Cylinder: borosilikate glass 3.3 (DURAN®) hoses (FEP, blue)

Weight: 2.3 kg for basic device, 3.5 kg for complete device with exchangeable 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

Titration stand TM 235 KF

Pump: Free volume flow- air-: flow rate 2.25 l / min, Delivery pressure max. 1.5 bar, Flow rate liquid medium ca. 0.8 l / min

Stirring speed: 50 to 1000 U/min

Hoses: PVC- hose (outer diameter 6 x 1 mm), PTFE- hose (outer diameter 4 x 0.5 mm)

Dimensions: 80 x 130 x 250 mm, (W x H x D (height without stand rod)

Weight: 1 Kg