Laboratory pH meter Knick 765 | Type: Laboratory pH meter 765

With many safety features making pH measurement easier and more reliable.

Fullcheck® automatically checks instrument function from input socket to recorder output. Functional efficiency of the instrument can be documented as part of quality management in accordance with DIN EN ISO 9000 using a test print. Drycheck® monitors electrode impedance and alerts to electrode dry-up, glass breakage and defective connections even in stand-by mode. Sensoface® monitors the electrode performance and gives information on electrode condition, evaluating zero point, transductance, response time, electrode impedance and calibration intervals.

Trueline® delivers a calibrated analog recorder signal (electrically isolated). Calimatic® automatically recognises the correct buffer. EMC design protects instrument from electromagnetic interference. The 765 laboratory pH meter complies fully with NAMUR (German committee for measurement and control standards in the chemical industry) EMC recommendations.

Temperature compensation is either automatic with a Pt 100 or Pt 1000 sensor or manual. Data can be processed immediately by a computer via standard RS 232 interface. Direct output to a printer is also possible. Large, bright LED display enables simultaneous readout of 2 measured values, such as pH value and temperature.
Case made of glass reinforced PA, with non-rusting, stainless steel, IP 54 protection level cover, ready for connection of ZU 6954 electrode stand.
Alpahnumerical display, 2 x 4 digits, 14 segment, 13 mm characters, 3 Sensoface status indicators.

Interface:
RS 232 without control lines, galvanically isolated, printer or computer interface.

Printer control:
Via serial interface for ZU 0244 or other standard printers, printing at the touch of a button or via print interval timer 0.1 to 999.9 min.

Electrode monitoring:
  • Sensoface®:analysis of zero point, transductance, response time and electrode glass impedance, good/average/poor optical display for monitoring electrode condition can be disabled.
  • Drycheck®: Monitors electrode impedance and alerts to electrode dry-up, glass breakage and defective connections even in stand-by mode. Calibration timer monitors calibration interval.

Instrument self-test system:
  • Fullcheck®: tests all measurement electronics, including analogue output, segment and keyboard test in diagnostic mode, automatic short test after power-on, QM documentation print-outs according to DIN EN ISO 9000 retrievable in diagnostic mode or via interface (printer).

Laboratory pH meter 765, includes mains cable, electrode not included, 3 year guarantee.
Laboratory pH meter 765 SET, with electrode statistics (Opt. 347), pH/Pt 1000 SE 100 combination electrode, ZU 6954 attachment stand and ZU 6928 buffer set (no other optional ancillary equipment available).

Type: Laboratory pH meter 765

Accessories

Knick Elektronische
Temperature probes for Knick pH meter and conductivity meter 703
Pt 1000 temperature probe for fast response temperature measurements. Accuracy class A acc. to DIN IEC 751.
From CHF 268.00*

Knick Elektronische
Nominal electrode zero point/electrode slope option 346 for pH meter 765
For use with electrodes having a zero point other than pH 7 and a slope other than 59.2 mV/pH. Nominal electrode zero point and nominal electrode slope is configurable.Zero point:pH 0 ... 14Slope:25 ... 61 mV/pH
Price on request

Knick Elektronische
Printer ZU 0244 for pH meter 765 and conductivity meter 703
With the printer, measured values can be logged either at the touch of a button or timer-controlled. Protocol printouts for QM documentation according to ISO 9000 and GLP can also be made at the touch of a button.
From CHF 846.00*

Knick Elektronische
pH electrode SE 104 N
Insertion electrode with plastic shaft. Ideal for semi-solid and viscous samples for e.g. the food sector. Two hole diaphragms ensure stable measured values. With Ag/AgCl reference system and DIN coax connector.Temperature range:-5 ... 80 °CpH range:0 ... 14Temperature sensor:noLength/Ø:90 mm/15 mmShaft material:Plastic (Noryl/PPO)Electrolyte:PolymerDiaphragm:Hole (2 x)
From CHF 439.00*

Knick Elektronische
pH electrodes SE 100 N / SE 103 N
pH electrodes for standard applications in the laboratory. With glass shaft and liquid electrolyte.Temperature range:-5 ... 100 °CpH range:0 ... 14Length / Ø:170 / 12 mmElectrolyte:Liquid, KCl 3 mol/lDiaphragm:Ceramic
From CHF 253.00*

Knick Elektronische
Immersion stirrer ZU 6955 for pH meter 765/766 and conductivity meter 703
The immersion stirrer reduces electrode response time for measurement and calibration. Stainless steel impeller Ø 12 mm.Please order power supply unit and attachable stand for fixing the immersion stirrer separately.
From CHF 375.00*

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