Horiba ES70 Portable Conductivity/Resistivity/Salinity/TDS meter

Overview

   
  

Features

Functions

• 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.

Specifications

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 (Display range)	0.00%～4.00% （0.0 PPT～40.0 PPT）
	Resolution	0.01%/0.1 PPT
	Change unit (%,PPT)	〇
	Calibration function	〇
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	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 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.