Keep my session open?
Ending In 
The session is expired
Your session has expired. For your security, we have logged you out.
Would you like to log in again?

Conductivity meter, bench, 703

Supplier: Knick
This bench top meter can be operated with either 2-electrode or 4-electrode sensors. In conjunction with the Knick ZU 6985 4-electrode sensor, the meter functions reliably over a wide conductivity range from < 1,00 µS/cm to > 1000 mS/cm.

  • Calibrated analog recorder output, galvanically isolated
  • Sensoface® function monitors the conductivity sensor and measuring equipment and provides information on sensor selection and handling
  • Automatic calibration with standard solutions
  • RS-232 interface for computer and printer
  • Simultaneous display of two measurement values; easy to read LED display
  • Leak-proof membrane keyboard, robust housing
  • Automatic switchover to 4-electrode or 2-electrode operation

Records of the parameter setting, calibration, and device diagnostics can be output directly to a printer. This provides users with comprehensive GLP-compatible documentation at the press of a key.



Expand All / Collapse All
Description Pk VWR Catalog Number Quantity
Laboratory conductivity meter 703, without sensor 1 663-2101

Description Type Conductivity Cell constant Temp. Material Ø×L Connection For Pk VWR Catalog Number Quantity
SE 202, 2-pole sensor, with integrated temperature probe, incl. flow cell SE 202, 2-pole, integrated temperature probe 0,01...199,9 µS/cm 0,100 cm-1 ±2% –5...+100 °C Stainless steel 12×120 mm 8-pin Low conductivity solutions 1 665-0295
SE 204, 4-pole sensor, with integrated temperature probe SE 204, 4-pole, with integrated temperature probe 1 µS/cm...500 mS/cm 0,475 cm-1 ±1,5% –5...+100 °C Epoxy 15,3×120 mm 8-pin Natural waters, aqueous solutions, salinity determination 1 665-0297
ZU 6985, 4-pole sensor, with Pt 1000 temperature probe ZU 6985, 4-pole, with Pt 1000 temperature probe 0,001...1000 mS/cm 1,19 cm-1 ±1,0% –20...+100 °C Glass 16×110 mm Via adapter Laboratory applications 1 663-2111
Generate Barcodes Barcode Label Format: 
Generate PDF Catalog Page


Conductivity range 0 μS/cm - 2000 mS/cm
Conductivity resolution 0,001 µS/cm
Conductivity accuracy ±0,5% of meas. value. ±2 counts
Conductivity cell constant 0,001 - 199,9 cm⁻ₑ (adjustable)
Temperature range (°C) –50...+150
Temperature accuracy (°C) ±0,3 K
Temperature compensation Automatic (Pt 1000/NTC 30 kOhm) or manual
Reference temperature 20/25 °C
Display Alphanumer. 2 x 4-digit, 14-segment LED, character height 13 mm
Data logging capacity Automatic storage of cell constant and calibration procedure with time and date stamp, self-contained
Connections 2-electrode sensors with banana plug + special diode plug for 4-electrode sensors
Outputs RS 232
Power supply Power cord, 230 V –15 % +10 %, 48 - 62 Hz
W×D×H (mm) 244×255×95
Weight (kg) 2
Compliance IP 54, GLP


Expand All / Collapse All

Description Pk VWR Catalog Number Quantity
Attachable stand for different sensors (2×12 ±0,5 mm; 1×4 - 14 mm; 1×6 - 16 mm), ZU 6954 1 662-3510
Immersion stirrer ZU 6955, with stainless steel impeller, Ø 12 mm 1 662-3511
Matrix printer ZU0244, with Serial RS 232 port, for standard paper, 197×73×153 mm 1 663-2117
Generate Barcodes Barcode Label Format: 
Generate PDF Catalog Page

Enter Details

Select the article for which you are looking for Certificate

Indicate the Lot Number. This field is mandatory. Enter 'x' if unknown for VWR Chemicals

Enter Certificate Details

Enter the Lot number:

Choose from recent batch/lot numbers:

Review & Compare Alternatives
We found alternative products that can save you up to  per item-unit.  To compare product details, select up to 3 alternatives below and click Compare Selected. To add items to your basket, enter a quantity and click Add to Basket.

Original Product:

Description Catalog Number Availability Unit Your Price Price Per Qty

Terms & Conditions

These terms and conditions cover all sales of products and services by VWR Lab Products Private Limited(VWR) in India and any information and advice given whether charged for or not. No variation in these terms and conditions will apply unless agreed by VWR in writing. Orders are accepted only on the condition that no conditions of purchase shall apply. 


VWR has the right to change the prices shown in catalogues and price lists at any time and to invoice at prices current at the date of receipt of an order.

‘Price on application’ (POA) quotations and all other quotations will be valid for 30 days (provided there is no change in Custom Tariff) from the date of the quotation, unless otherwise notified by VWR.

All prices in catalogues and quotations are exclusive of Value Added Tax and any other taxes or duties. These will be charged separately, if applicable. VWR reserve the right to apply a freight charge on all deliveries. 


Unless otherwise agreed in writing payment terms are full in Advance. VWR has the right to charge interest on all overdue sums at the rate of twenty four percent per annum .

  • Any claims for shortages must be made within 7 days of a delivery.  
  • Any claims for non-ordered items or non delivery must be made within 7 days of receiving the invoice. 
Return of Damaged or Unsuitable Goods

No goods may be returned to VWR without the authorisation of VWR.

Authorisation to return products damaged during delivery must be requested within 3 days of delivery. VWR has the right to repair and return damaged products.

Authorisation for the return of products which fail to meet current published manufacturers specifications must be requested in writing within 28 days of delivery. VWR will assist customers, at customers’ expense, to obtain any manufacturer’s warranty consistent with that granted to VWR.

Authorisation for the return of products, other than those damaged during delivery, delivered in error or those that do not meet specification, must be requested within 10 days of delivery. Credit (less a handling charge of 15% of the invoice value of all products returned subject to a minimum charge of INR 5,000) will be given for those products authorised for return which are unused and in re-saleable condition other than those in the categories shown:

  • open chemicals or diagnostics
  • refrigerated or other perishables
  • items with an expired shelf life or an expiration date too short for resale
  • any article that has been delivered direct by a third party supplier
  • discontinued items
  • items not purchased from VWR.

Authorisation will be subject to the condition that the products are returned to VWR Customer Service Centre or to the manufacturer or other source notified by VWR, by registered post if permitted, (for which VWR will supply a label) , for which a handling charge will be made for each line.

Articles that have been delivered on our behalf by a third party supplier will not be accepted back at the VWR Customer Service Centre.

Health, Safety and Liability

Risk in products will pass at the time of delivery to the customer.

The customer is responsible for unloading and transporting large and/or heavy items from delivery vans.

In view of the hazards of certain chemicals and apparatus the customer must ensure that the products purchased are in a safe condition and that a safe system of work is in place taking into account all available information. None of the products sold are intended for human consumption unless otherwise clearly stated.

In view of the wide range of uses of chemicals and apparatus, the customer will be solely responsible for determining the suitability and specification of products, services, information and advice for its purposes. VWR has the right, without notice, to supply product of different specifications, sources, and pack size to that published or ordered. The customer is required to ensure that that the use of any products supplied by VWR do not infringe third party intellectual property rights.

In view of the above, liability of VWR for any loss or damage suffered by a customer and arising by reason of defects in the products or otherwise howsoever is limited to the invoice price of the products in respect of or in relation to which loss or damage is claimed. Any liability accepted by VWR under these terms and conditions is in lieu of any warranty or condition implied by law as to the quality or fitness for any particular purpose of the products and save as provided in these terms and conditions VWR will not be under any liability, whether in contract, tort, breach of statutory duty or otherwise in respect of defects in products delivered or for any injury (other than death or personal injury caused by VWR negligence as defined in any applicable act) damage or loss resulting from such defects or from any information, service or advice provided by VWR or its employees, contractors or agents. In no event shall VWR be liable for any consequential loss whether or not resulting from force majeure. The customer indemnifies VWR against any claims from its employees, contractors or agents.

Print These Terms