Ph and conductivity meters – Central Science Supplies

PH AND CONDUCTIVITY METER DESK TOP

adminbenscience — Tue, 13 Oct 2026 17:26:05 +0000

pH + Conductivity Double-Parameter measurement meter which is suitalbe for general measurement in laboratory. It is suitable for measuring the pH value of moderate ionic strength aqueous solution, and conductivity values of conventional solution ? The most widely used pH + Conductivity Double-Parameter measurement meter.
?Meter meets with the requirement of international GLP standards. Its features up to automatic calibration, automatic temperature compensation, data storage, timing measurement, clock display, RS-232 output, function setting and self-diagnose etc.
? There are three different measurement modes: stable display mode; time measurement mode; continuous measurement mode.
? Automatically recognize pH buffer solution. User can choose anyone from three series of standard buffer solutions: Europe & USA series, NIST series and China series.
?Adopt advanced and original conductivity measurement technology, use 1 pc of conductivity electrode (K=1), it can meet measuring accuracy requirement for range within 0.5?S/cm ~ 200mS/cm by using only one-point calibration.
? Can switch Conductivity, TDS, Salinity and Resistivity.
? Meter has the only product serial number.
? Dustproof and waterproof meter meets IP54 standards. All sockets are seal protected by the silica gel caps.

PH METER DESK TOP

adminbenscience — Tue, 13 Oct 2026 17:17:30 +0000

Lab pH Meter DESK TOP
General laboratory bench pH meter, which is suitable for measuring moderate ionic strength solutions, such as surface water, lake water and industrial wastewater. It can be used in most of the areas related to water quality analysis. Meter meets with the requirement of international GLP standards. Its features up to automatic calibration, automatic temperature compensation, data storage, timing measurement, clock display, RS-232 output, function setting and self-diagnose etc.
? There are three different measurement modes: stable display mode; time measurement mode; continuous measurement mode.
? Automatically recognize pH buffer solution.
? Meter has the only product serial number.
? Dustproof and waterproof meter meets IP54 standards. All sockets are seal protected by the silica gel caps.pH

PH METER PORABLE HANDHELD

adminbenscience — Tue, 13 Oct 2026 17:03:44 +0000

Portable advanced single measurement water quality meter
Smart electrode interchangeable water quality measurement with single input, multi-parameters readable. Easy
operation, meter powered by six AAA batteries, receptacle device is built-in for tripod mountable enable to do
long time monitoring purposes.

FEATURES:
Professional look design accurate portable meters with large LCD display, BNC connector.
All electrodes with BNC connector compatible to any other electrodes.
Hold function, low battery icon indicator, automatic power off in 15 minutes and may disable.
Built-in different temperature compensation selectable: PT100, PT1000 (pH electrode only), Thermistor 30K, 10K ohm.
RFS (Recover to Factory Setting) function is included.
3 points pH calibration: 4, 7, 10 (Adjustable). Calibration buffer solution are included with soaking solution.
Conductivity calibration points: 1413uS. Calibration solution is included.
Conductivity electrode may convert to TDS and Salinity concentration, adjustable conductivity to TDS conversion factor from 0.4 to 1.0. Three in one conductivity electrode (Cond. EC.TDS. Salinity measurement).
Conductivity cell constant (K) selectable: 0.1, 1.0, 10 (Selectable and adjustable).
DO 100% self-calibration is convenient and simple. Calibrated both Saturated DO/zero DO (Na2SO3 ) before shipment.
Compact DO electrodes supplied with 3M cable and membrane cap, electrolyte.
Galvanic electrodes do not require long ?warm up? time as polarographic type electrodes. (Polarization is required about 10-215 minutes.)
Tripod receptacle mountable design for long time monitoring purposes.
All sensors are well calibrated before shipment. Warranty period is two years. Long life sensors

SUPPLIED:
Meter
Battery-AAA x 6 pcs
Operation manual
Electrodes
Black carrying case
pH buffer solution x 3 pcs ( pH 4 ,pH7, pH10)
1413uS buffer solution x1
(3M) Soaking Solution x 1

Specifications:
Data Hold:Freeze the display reading.
Meter dimension:180mm x 58mm x 32mm (With BNC connector)
Power supply:AAA batteries x 6 pcs / 9V AC/DC (Option)
Temperature:0~90 ? (PH) 0~90? (Cond/TDS/Salt/)
Temp. accuracy:?0.5 ?
PH:
?Measurement range PH: 0 to 14 pH
?Accuracy ?1% of full scale 1 digit
?Resolution:0.01(pH)
Conductivity:
?Measurement range 0 to 19.99 uS/cm; 0 to 199.9 uS/cm; 0 to 1999 uS/cm;0 to 19.99 mS/cm (K=10);0 to 199.9 mS/cm (K=10)
?Accuracy ?1% of full scale 1 digit
?Resolution 0.01 uS/cm, 0.1/1 uS/cm ; 0.01 mS/cm, 0.1 mS/cm
TDS (Total Dissolved Solids)
?Measurement range: 0 to 19.99 ppm; 0 to 199.9 ppm; 0 to 1999 ppm; 0 to 19.99 ppt; 0 to 199.9 ppt
?Accuracy ?1% of full scale 1 digit
?Resolution 0.01 ppm ; 0.1 ppm; 1 ppm
Salt:
?Measurement range: 0~10.00 ppt (Nacl);0~42.0 ppt (Sea water)
?Accuracy ?1% of full scale 1 digit
?Resolution 0.01 ppt ; 0.1 ppt
ORP
?Measurement range -1999 mV ~ 1999mV
?Accuracy ?0.2mV (-199.9~ 199.9 mV), others ? 2 mV
?Resolution 0.1 mV (-199.9 ~ 199.9mV), others 1 mV
DO (Dissolved Oxygen) Electrode
?Measurement range 0~199.9% (In saturation); 0.0~20.0 mg/L
?Accuracy ?2% of full scale 1 digit
?Resolution 0.1%, 0.1 mg/L

PH METER POCKET TYPE

adminbenscience — Tue, 13 Oct 2026 16:09:24 +0000

Economy pH tester, meet general requirements, cost-effective.
? automatic calibration, no temperature compensation.
? Low voltage alarm display.
? 10 minutes automatic shutdown.
? replaceable electrode configuration calibration solution.
? IP 57 waterproof rating.

Measuring range : 0~14.0 pH
Resolution : 0.1 pH
Accuracy : ?0.1pH?1 digit
Temperature compensation :No
Automatic Calibration :
1 point calibration ?7.00 pH?
Power
2 AAA batteries, 1.5V ? 2, more than 100 hours of continuous using
Size and weight 39?25?176 mm/95g

CONDUCTIVITY METER PEN TYPE

adminbenscience — Tue, 13 Oct 2026 16:08:53 +0000

The most cost effective pen conductivity tester, ability to switch among conductivity, TDS, salinity and resisitivity, widely applied in surface water, sewage, drinking water, soilless, printing, wash water of plating tank, aquarium, fishpond, swimming pool, hot spring, etc
? Compared with similar products: the widest measurement scope 0~50mS/cm, more measurement parameters, ability to switch among conductivity, TDS, salinity and resistivity. multinomial calculation for TDS and salinity to ensure the conversion precision of the full scale.
? The smallest and thinnest shape: 148?29?14mm. The diameter of the electrode: 10mm.
? The best function: automatic calibration, automatic temperature compensation, automatic switch of range, automatic power off, low voltage alarm, etc.
? The easiest to use : single button operation.
? Meet IP57 waterproof rating, replaceable batteries, calibration solution and standby batteries in a portable case.

PH METER PEN TYPE

adminbenscience — Tue, 13 Oct 2026 15:59:43 +0000

The most cost effective pH tester, widely applied for general precision requirement in various water analytical situations.
? The smallest and thinnest shape: 148?29?14mm. The diameter of the electrode: 10mm..
? The best function: automatic calibration, automatic temperature compensation, automatic power off, low voltage alarm, pH electrode invalidation display, etc.
? The easiest to use : single button operation.
? The reliable structure design: meet IP57 waterproof, replaceable batteries, calibration solution, electrode soaking solution and standby batteries in a portable case. ? The most cost-effective pen tester.

CONDUCTIVITY METER POCKET TYPE

adminbenscience — Tue, 13 Oct 2026 15:52:42 +0000

Economy conductivity tester, meet general requirements, cost-effective
? long measurement range, automatic switching range.
? automatic calibration, automatic temperature compensation (without temperature display.)
? Low voltage alarm display.
? 10 minutes automatic shutdown.
? Conductivity calibration solution configuration.
? IP57 waterproof rating.
Measuring range Divided into three sections, automatic switching range?
?0~99.9??S/cm?100~999??S/cm ?1.00~10.00?mS/cm
Resolution 0.1/1?S/cm?0.01 mS/cm
Accuracy ?1%FS
Temperature compensation (0~50)??Auto?
Automatic Calibration 1 point calibration?1413?S/cm?
Power 2 AAA batteries, 1.5V ? 2, more than 100 hours of continuous using
Size and Weight 39?25?176 mm/ 87g

ELETROD HOLDER FLEXIBLE

adminbenscience — Tue, 13 Oct 2026 15:50:14 +0000

Three electrodes can be put into electrode holder that is used with electrochemistry instrument.
? The arc-type bracket of attractive appearance can be turned to any direction and lifted up and down vertically, with the electrode standing vertically anywhere.
? The material of holder is ABS, of axis of rotation is stainless steel, which is sturdy and durable.
? Base of holder is made up of ABS hull, cast iron counter weight and axis of rotation of stainless steel. All of these lead to professional design, attractive appearance and stability.
? Three electrodes can be put into electrode chuck (electrode cap?16 mm?