Horiba Portable pH/ ORP/ Conductivity/Resistivity/ Salinity/ Meter D-74

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Horiba Portable pH/ORP/Conductivity/Resistivity/Salinity/TDS Meter D-74 Part No. 3200575165

Dual channel meter with 2 ports for pH or ORP measurement on channel one and a conductivity measurement on channel two. Serial port for data output. 1000 data set memory, backlight (Electrode recommendation: Model 9625-10D for pH and/or 9300-10D for ORP and Model 9382-10D for conductivity)

CH.1 pH/ORP

CH.2 COND/RESI/SAL/TDS

Portable pH meter D-71.

ABQ

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Features
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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.
Automatic calibration and calibration interval alarm function
Usable with both 5-point calibration and USA/NIST standard solutions.
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*.
ELECTRODES NOT INCLUDED.

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

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Specifications
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MODEL	D-74
pH	Measuring principle	Glass electrode method
	Measuring range	pH 0.00 ? 14.00
	Display range	-2.00 ? 16.00 ? Flashing in the case of outside measurement range.
	Resolution	0.01 pH
	Repeatability	±0.01 pH±1digit
	Auto calibration (5 points)	?
	Calibration record	?
	Standard solution Auto-detect	?
	USA/NIST selectable	?
	Calibration interval alarm	?
mV(ORP)	Measuring range (Display range)	-2000 ? 2000 mV ?Flashing in the case of outside measurement range.
	Resolution	1 mV
	Repeatability	±1 mV±1digit
	Absolute. relative selectable	?
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	?
Conductivity	Measuring principle	2 AC bipolar method
	Measuring range (Display range)	0.0 ?S/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 ??m ? 2.000 M??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
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 life4**	Approx. 200 hours
Dimension	Approx. 67 (80) × 28 (42) × 170 mm (The figures in parentheses are maximum thicknesses.)
Weight (without batteries and electrode)	Approx. 285 g

*1 Cell constant 100 m-1?0.000 mS/m ? 20.00 S/m ?Cell constant 10 m-1?.0.0 ?S/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 ??m ? 200.0 k??m?Cell constant 10 m-1?0.0 ??m ? 2.000 M??m?Cell constant 1000 m-1?0.000 ??m ? 20.00 k??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.

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Schematics
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ABQ