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Portable Conductivity/Resistivity/ ES-70

 
 
 

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About Portable Conductivity/Resistivity/ ES-70

Conductivity Resistivity Salinity TDS
Back light LCD Waterproof and dustproof (IP67 rated) PC PRT ID Shock and chemical resistant body case
  • ]The built-in data memory (1000 items)
  • Connecting to a computer allows measurement data to be collected.
  • Output to a GLP/GMP-compatible printer is possible.
  • Electrical resistivity/total dissolved solids/salt content conversion functions
  • Automatic range switching, automatic temperature conversion, and unit switching functions
  • Interval measurement function
  • Sample ID No. setting function
  • Clock function and auto power-off function
  • Usable with AAA alkaline batteries, Ni-MH batteries, or adapter.
  • IP67-compliant waterproof and dustproof structure*.
  • Conductivity Cell(9382-10) comes as a standard accessory.

* IP67:Ensures a waterproof performance without failure when immersed 1m in water for about 30 minutes.

 

 

MODEL

ES-71

Conductivity

Measuring principle

2 AC bipolar method

Measuring range (Display range)

0.0 μS/m~200.0 S/m*1

Resolution

0.05%F.S.

Repeatability

±0.5% F.S.±1 digit

Auto range

Change unit (S/m,S/cm)

Auto temperature conversion (25℃)

Temperature coefficient (0~10%/℃)

Salinity

Measuring principle

Conversion from conductivity value

Measuring range
(Display range)

0.00%~4.00%
(0.0 PPT~40.0 PPT)

Resolution

0.01%/0.1 PPT

Change unit (%,PPT)

Calibration function

Resistivity

Measuring principle

Conversion from conductivity value

Measuring range 
(Display range)

0.000 Ω・m~2.000 MΩ・m*2

Resolution

0.05%F.S.

Repeatability

±0.5% F.S.±1 digit

TDS

Measuring principle

Conversion from conductivity value

Measuring range
(Display range)

0.01 mg/L~100 g/L

Resolution

0.01 mg/L

Temperature

Measuring range (Display)

0.0℃~100.0℃(-30℃~130℃) ※Flashing in the case of outside measurement range.

Resolution

0.1℃

Repeatability

±0.1℃±1digit

Calibration function

Display

Custom LCD with backlight

Function

PC connectivity*3

Printer connectivity(GLP/GMP)

Temperature compensation(Auto/manual)

Auto Hold function

Data memory number

1000

Interval memory

ID input

Clock function

Auto power off

Battery Level Indicator

Dustproof and waterproof standard

IP67

Operating ambient temperature/ humidity

0℃ to 45℃ , 80% or less in relative humidity (no condensation)

Power

LR03/AAA alkaline batteries or AAA Ni-H rechargeable batteries × 2
AC adapter 100 V to 240 V 50/60 Hz (option)

Current consumption

Less than 5 mA

Battery life*4

Approx. 200 hours

Dimension

Approx. 67 (80) × 28 (42) × 170 mm (The figures in parentheses are maximum thicknesses.)

Weight (without batteries and electrode)

Approx. 270 g

*1 Cell constant 100 m-1:0.000 mS/m~20.00 S/m 、Cell constant 10 m-1:.0.0 μS/m~2.000 S/m、Cell constant 1000 m-1:0.00 mS/m~200.0 S/m   
*2 Cell constant 100 m-1:0.00 Ω・m~200.0 kΩ・m、Cell constant 10 m-1:0.0 Ω・m~2.000 MΩ・m、Cell constant 1000 m-1:0.000 Ω・m~20.00 kΩ・m
*3 RS-232C cable(3014030151) and software is required. Software can be download by web registration. If you need to connect to the USB, the adapter(RS232C⇔ USB) commercially available is required. Please buy one that be suitable for the specifications of the PC (OS · USB Specification, etc.). ※ HORIBA will not guarantee the adapter operation.
*4 Battery life will be shorter when using optional accessories and backlight LCD is activated.