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Portable Conductivity/Resistivity/ ES-70
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About Portable Conductivity/Resistivity/ ES-70
- ]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 |
〇 |
|
|
Change unit (S/m,S/cm) |
〇 |
|
|
Auto temperature conversion (25℃) |
〇 |
|
|
Temperature coefficient (0～10%/℃) |
〇 |
|
|
Salinity |
Measuring principle |
Conversion from conductivity value |
|
Measuring range |
0.00%～4.00% |
|
|
Resolution |
0.01%/0.1 PPT |
|
|
Change unit (%,PPT) |
〇 |
|
|
Calibration function |
〇 |
|
|
Resistivity |
Measuring principle |
Conversion from conductivity value |
|
Measuring 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 |
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 |
〇 |
|
|
Display |
Custom LCD with backlight |
|
|
Function |
PC connectivity*3 |
〇 |
|
Printer connectivity（GLP/GMP） |
〇 |
|
|
Temperature compensation（Auto/manual) |
〇 |
|
|
Auto Hold function |
〇 |
|
|
Data memory number |
1000 |
|
|
Interval memory |
〇 |
|
|
ID input |
〇 |
|
|
Clock function |
〇 |
|
|
Auto power off |
〇 |
|
|
Battery Level Indicator |
〇 |
|
|
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 |
|
|
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.