15 Jun Title: ASTM-D, Version: , Date: Jun, Desc: (15 JUN ). ASTM D Standard Test Methods for Electrical Conductivity and Resistivity of Water. standard by ASTM International, 02/01/ View all product. Designation: D – 95 (Reapproved ) Standard Test Methods for Electrical ASTM Standards: aqueous solution at a specified temperature. D

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The AquaCal instrument has the facility to enter the actual calibrated cell constant value, minimising any errors introduced by the cell. The AquaCal measures both nontemperature compensated and temperature compensated conductivity or resistivity to meet the current USP United States Pharmacopoeia requirements.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM D – 14 – Standard Test Methods for Electrical Conductivity and Resistivity of Water

No other units of measurement are included in this standard. The AquaCal hand held system has been developed to provide a method of measuring the conductivity or resistivity of pure water to traceable standards making it suitable to validate pure water treatment plants.

These include dissolved electrolytes in natural and treated waters, such as boiler water, boiler feedwater, cooling water, and saline and brackish water. The AquaCal incorporates the correct temperature compensation matrix for the ionisation of water as well as the contribution from ion mobility. The intelligent measurement solution. The following test methods are included:. The temperature compensation is selectable in or out, with a fixed curve compensation asfm ultra pure water and a selectable slope of 0.

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Visual diagnostics indicate instrument and sensor faults and incorrect configuration by a series of error messages.

Measurement of Static Non-Flowing Samples. Link to Active This link will always route to the current Active version of the standard. It is the user’s responsibility to ensure the validity of these test methods for waters of untested matrices.

The following test methods are included: Conductivity measurement from 0. The AquaCal overcomes this problem by providing a portable calibrated system that can be used to check on-line instrumentation by dd1125.

Historical Version s – view previous versions 1d125 standard. Please select your language. Historical Version s – view previous versions of standard Translated Version s: Call Email sales lth. The AquaCal has isolated voltage outputs, which can be used with a data logger or recorder to provide a permanent record of conductivity, resistivity or temperature.

The temperature effects on the conductivity of pure water are large and non — linear. Alternatively where mains power is available the battery charger can be used to power the instrument. Currently it is only possible to calibrate instrumentation on site by using precision resistors, however it is impossible to check the complete measurement system including the cell.

LTH is celebrating 50 years. Ideal for validation of pure water treatment plants Scaleable voltage outputs for conductivity, resistivity or temperature Alkaline or NiCad rechargeable batteries or mains adaptor operation User selectable security code to protect settings and configuration Diagnostics to indicate instrument and sensor faults and incorrect configuration.


The system consists of a precision conductivity cell with a certified cell constant to ASTM D and BS and a microprocessor instrument that has been calibrated against 0.


These test methods may also be used for atsm the correctness of water analyses 5. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Download Data Sheet Download Handbook. Collection of the water sample is critical due to possible contamination from CO2 or other ionic materials.

Downloads Click here to view our list of d125 downloads. Click here to read more. Ask the Experts If you have a liquid measurement application you would like to talk to us about click here to contact an expert. The cell has been designed for direct insertion into a process line or into a flow chamber for a sample stream. The instrument is powered from either standard AA alkaline or NiCad rechargeable batteries.