LEHMAN SCIENTIFIC

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E-mail: sales@lehmanscientific.com

Call Lehman Scientific at: (800) 784-8680

See the Order Form for guarantees and terms

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ENGINEERED SYSTEMS & DESIGN

 

 

ENGINEERED SYSTEMS & DESIGN has been manufacturing pH Meters, Conductivity Meters, Oxygen Analyzers/Controllers and Turbidity Meters since 1974.

 

All Meters come with 2-year Factory Guarantee, Model 630, 1630 Oxygen Electrodes come with 1-year Factory Guarantee, All other Electrodes come with a 6-month Factory Guarantee

pH Meters

 pH Kit

Model 57

Model 59

Model 60

Model 64
Display

0.5" LCD

 0.5" LCD

 0.5" LCD

 0.5" LCD
 Range

0-14.0 pH

 0-14.0 pH

 0-14.0 pH

+/- 0-1999mV

 0-14.0 pH

+/- 0-1999mV
 Temperature Compensation

Manual

 Manual

 Manual

 Automatic
 Accuracy

0.05 pH

0.01 pH

0.01 pH

1 mV

0.01 pH

1 mV

0.5 deg C
 Resolution

 0.1 pH

 0.01 pH

 0.01 pH

1 mV

0.01 pH

1 mV

0.1 deg C
 Connector

BNC
 Battery

9 Volt
Optional Accessories

AC Adapter, Recorder Output

AC Adapter, Recorder Output

AC Adapter, Recorder Output, 35-5500 ORP

AC Adapter, Recorder Output, 35-5500 ORP
 Weight/Size

Kit Weight: 4 lb/Meter Size: 6"L X 3.5"W X 1.5"H
 Basic Kit contains:

pH Meter, Combination pH Electrode, 4,7 and 10 pH Buffer Solution, Battery, Instructions and Rugged Case

 Previous items plus Temperature Sensor
 Price (Basic Kit)

 $197.00

$243.00

$333.00

$385.00
  pH Kit  Model 57  Model 59  Model 60  Model 64

 

Series 60 Microprocessor-Based pH Meters-

Sleek Design, Advanced Technology, Rugged Dependability

 Specifications Model 66 Model 67 Model 69
pH Range -2.00 to 19.99 -2.00 to 19.99  -2.000 to 19.999
Slope 80% to 120%  80% to 120%  80% to 120%
Accuracy, pH +/- 0.02 +/- 0.02 +/- 0.005
Resolution, pH 0.01 0.01/0.1 0.001/0.01/0.1
 Millivolt Range N/A +/- 1600.0 +/- 1600.0
Accuracy, mV N/A +/- 0.2 +/- 0.2
Resolution, mV N/A 0.1 0.1
Relative mV N/A +/- 1999.9 +/- 1999.9
Accuracy, rel mV  N/A +/- 0.2 +/- 0.2
Resolution, rel mV  N/A 0.1 0.1
 Concentration N/A N/A 0.000 to 19999
Conc Accuracy N/A N/A +/- 0.05% rdg
Conc Resolution N/A N/A +/- 1 least sig dig
Temperature Compensation -5.0 to 105.0 deg C -5.0 to 105.0 deg C -5.0 to 105.0 deg C
 Temp Accuracy  +/- 0.5 deg C +/- 0.5 deg C +/- 0.5 deg C
Temp Resolution 0.1 deg C 0.1 deg C 0.1 deg C
Features   Printer Printer/Terminal, Data Acquisition, Spy Capabilities
Inputs

BNC,ATC
Input Impedance

> 10E12 Ohms
Outputs N/A RS-232 RS-232
Power

Internal Ni-Cad pack w/PowerMate Charging Base or Charging Carrying Case (110 VAC, 50/60 Hz)
 Environmental Conditions

Splash-Proof, Chemical Resistant, Dust-Proof
Temperature Limitations

Operating/Storage Range: -20 to +85 deg C
Weight/Size

13.3 oz./8.3" X 3.1" X 1.65"
 Price

was $510.00

now $399.00

was $545.00

now $449.00

was $651.00

now $499.00
 

 Model 66

Model 67

Model 69

60 Series pH Meter Kits include: Charging Carrying Case or Powermate Charging Stand, 4,7 and 10 pH Buffer Solutions, Ni-Cad Battery Pack, Combination pH Electrode, Temperature Probe and Instructions.

 

Model 68 Bench-type pH meter. The Model 68 provides the features of expensive laboratory equipment without the added cost. This meter is manufactured with a jack and supplied with a US Standard adapter for 120 VAC 60 Hz. It provides pH and millivolt readings on an easy-to-read 0.5 inch display. Other features include automatic temperature compensation and separate controls for standardize and slope. A recorder output jack provides convenient gain and zero adjust. A separate pin jack is standard for Reference Electrode use. Oxidation Reduction Potential readings can be obtained by using an optional ORP electrode, 35-5500. The Model 68 comes with a temperature sensor and adapter. Electrodes are sold separately- choose from our Probes section. Price: $479.00

 

pHault Finder Electrode Simulator- When a pH meter has incorrect readings, most likely the problem lies within the electrode. In order to verify this problem, the pHault Finder can test and calibrate a pH meter by simulating the electrode signal from 0-14 pH in increments of 2 pH units (+/- 414 mV). A high-low impedance switch helps determine if the pH meter's high impedance has been compromised and also allows calibration of any low impedance recorder and meter that has a mV input via a BNC connector. Accuracy: 1%. Price: $132.00

Go To pH Electrodes and Accessories


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