Enviro Equipment: Horiba Water Quality Instruments D-25 Meter

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Horiba D-25 pH/ORP/Dissolved Oxygen/Temperature Meter

This dual channel, handheld, water quality meter can simultaneously measure two different parameters. The pH and ORP probes can easily be switched out on Channel 1 to allow for an additional parameter. The meter and electrodes feature an innovative waterproof design, which allows these units to be used even in wet weather. The waterproof ToupH is a highly shock-resistant pH-meter electrode protected with a thick membrane. These meters also feature high-speed response and a convenient validation feature.

Model D-25	Channel 1 - pH and ORP Channel 2 - Dissolved Oxygen (10 meter cable length available)
Specifications
pH	Measurement method	Glass electrode
	Display range	pH-2.00~16.00
	Measurement range	pH0.00~14.00
	Resolution	0.01pH
	Meter repeatability	±0.01pH ±1 digit

Temperature	Measurement method	Thermister
	Display range	-10.00~100.0°C
	Measurement range	0.0~100.0°C
	Resolution	0.1°C
	Meter repeatability	±0.1°C±1 digit

mV (ORP)	Display range	-1999~1999mV
	Measurement range	-1600~1600mV
	Resolution	1mV
	Meter repeatability	±1mv±1 digit

Dissolved Oxygen	Measurement method	Diaphragm-type galvanic cell
	Measurement range	0.00 ~ 19.99 mg/L
	Temperature Compensation	0 ~ 40o C
	Resolution	0.01 mg/L
	Meter repeatability	±0.5%F.S.

Meter	Temperature compensation range(pH)	0~100.0°C
	Ambient operating temperature	0~45°C
	Display	Custom LCD
	Input channel	2CH
	Power supply	9 VDC (6F22 or 6LR61 dry cell battery)
	Power consumption	Approx. 0.07VA
	Battery life	Approx. 40 hrs.
	Dimensions(HxWxD)	180(H)x79(W)x40(D)mm
	Weight(Including battery)	Approx. 350 g
	Waterproofing standard	IEC529: IP67 (1 mdepth for 30 min.)

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