SI TitroLine 7800 Potentiometric and Karl Fischer Titrator

Specifications:

🔌 Measurement Inputs

Analog input (Input 1):

pH/mV with 24-bit converter

Electrode socket acc. to DIN 19 262 or BNC with RFID support (SI Analytics ID electrodes)

pH measurement range / Accuracy:

From -3.0 to 18.00 pH / resolution 0.002 pH ± 1 digit

mV measurement range / Accuracy:

From -2000 to +2000 mV / resolution 0.1 mV ± 1 digit

µA current input:

Connection port for double platinum electrode (2 x 4 mm)

Adjustable polarization voltage

Temperature measurement input:

Connection for Pt1000 sensor or NTC 30 kΩ (2 x 4 mm)

Temperature measuring range:

Pt1000: from -75 to 195 °C

NTC 30 kΩ: from -40 to 125 °C

📡 Digital IDS Input

Allows connection of intelligent digital IDS® sensors (pH, mV, conductivity, etc.)

Parameters - Measuring range - Accuracy

pH (IDS) 0.000 – 14.000 ± 0.004

mV (IDS) ± 1200 mV ± 0.2 mV

Temperature (°C) -5.0 – 105 °C ± 0.2 °C

Conductivity (mS/cm) 0.00 – 2000 mS/cm ± 0.5% of measured value

💻 Interfaces & Connectivity

3 x USB (2 x USB-A, 1 x USB-B)

2 x RS-232-C ports

1 x LAN port

🧪 Burette & Titration

Exchangeable burette sizes: 5 / 10 / 20 / 50 ml

Piston resolution: 20.000 steps

Dosing accuracy (DIN ISO 8655 Part 3):

Error < 0.15%

Repeatability (precision): 0.05 – 0.07% (depending on burette size)

📺 Display & Materials

Display: Color TFT, 3.5 inch (1/4 VGA, 320 x 240 px)

Keypad: Polyester coated

Housing: Polypropylene

Burette material:

Van: PTFE / ETFE

Cylinder: DURAN® 3.3 borosilicate glass

Tubing: FEP (blue)

📏 Dimensions & Weight

Dimensions: 15.3 x 45 x 29.6 cm (W x H x D)

Weight:

Basic unit: 2.3 kg

Complete unit (including burette head): 3.5 kg (without reagent bottle)

🌡️ Ambient Conditions

Operating / storage temperature: +10 … +40 °C

Relative humidity:

Max. 80% at ≤ 31 °C

Decreasing linearly to 50% at 40 °C

🔌 Power Supply & Certifications

Power supply: 100–240 V, 50/60 Hz, 30 VA power consumption

CE conformity:

Electromagnetic Compatibility EMC (2004/108/EG)

Low Voltage Safety (2006/95/EG)

Conforming to standards: EN 61326-1:2006, EN 61010 Part 1