Digital PH Meter Model PHDC-4A/3F

1. Desk-top

Characteristics:

1.Adopts microprocessor technology, LCD display.
2.Automatic power failure protection. 
3.Automatic or manual compensation of temperature,

auto calibration, auto calculation of percentage slope of electrode in theory
4.Save, delete, browse and print the test result, can save up to 50 sets of data. 
5.Five types of PH buffer solutions can be selected for one or two

point calibration in the temperature range 0-60˚C
6.With RS-232 interface for printer or computer.

Specifications:	Model PHDC-4A	Model PHDC-3F
1. Range: PH	0.000~14.000PH	0.00~14.00PH
MV	-1999.9~1999.9	-1999~1999
Temp	-5~105.0℃	0.0~100.0℃
2. Resolution	0.1PH, 0.01PH, 0.001PH	0.01PH
mV	0.1mV	1mV
Temp	0.1℃	0.1℃
3. Error PH	±0.005PH	±0.01PH
MV	±0.2mV(±399.9mV) or ±0.03%(FS)(other scale)	±1mV
Temp	±0.3℃	±0.3℃
3. Input resistance	3x10¹²Ω	1x10¹²Ω
4. Stability	±0.005PH±1 digit / 3h	±0.01PH±1 digit / 3h
5. Temp compensate	-5~105.0℃	0.0~100.0℃
6. Resolution temp	5-60℃	5-60℃

PHD-3B/3C/2F

l         Two-point compensation
l         3 1/2 digital LED
l         Manual temperature compensation（PHD-3C/2F）
l         Both auto and manual temperature compensation (PHD-3B)

MAIN SPECIFICATIONS:

MODEL	PHD-3B	PHD-3C	PHD-2F
Measurement Range:	PH: 0-14.00pH mV: -1999-+1999mV T: 0-100.0ºC	PH: 0-14.00pH MV: 0-±1999mV	PH: 0-14.00pH mV: -1400-+1400mV
Accuracy:	PH: ±0.01pH mV: 1mV T: ±0.1ºC	PH: ±0.01pH mV: ±1mV	PH: ±0.01pH mV: ±1mV
Error: PH	±0.01PH	±0.01PH	±0.01PH
MV	±0.1%(FS)(other scale)	±1mV	±2mV
Temp	±0.5℃
Input Impedance:	≥1X10¹²Ω
Stability	±0.005PH±1 digit / 3h	±0.01PH±1 digit / 3h
Temp. Compensation Range:	0-60ºC (manual or auto)	0-60ºC (manual)

PHA-25 (Analog) PHD-25 (Digital)

Model	PHA-25 (Analog)	PHD-25 (Digit)
Measurement Range:	PH: 0-14.0pH mV: 0-±1400mV	PH: 0-14.0pH mV: 0-±1400mV
Accuracy:	PH: ±0.1pH mV: ±10mV	PH: ±0.1pH mV: ±10mV
Stability:	±0.05pH/2H	±0.05pH (±1 bit) /3H
Display Mode:	Analog scale	LCD
Repeatability:	0.05pH	-----------------------------
Input Impedance:	≥3X10¹¹Ω	≥3X10¹¹Ω

2. Portable types:

PHC-260P Portable PH meter

Characteristics:

1.       Adopts microprocessor technology.
2.       Automatic or manual compensation of temperature, auto calibration
3.       Save, delete, browse and print the test result, can save up to 250 sets data 
4.       Low power consumption design, display low voltage, auto power-off and power failure protection
5.       Five types of PH buffer solutions can be selected for one or two point calibration 
6.       With RS-232 interface, can be connected with printer or computer.

Specifications

1. Range:
PH: 0.00~14.00PH
MV: -1800~1800mV
Temp: 0.0~60.0℃

2. Resolution: 0.01PH
mV: 0.1mV
Temp: 0.1℃

3.       Error: PH: ± 0.01PH
MV: ±0.1mV (FS)
Temp: ±0.3℃

4.       Input resistance: 1x10¹²Ω

5.   Stability: ± 0.01PH±1 digit / 3h

6.   Temp compensate: 0-60℃

PH-4P

l 3¹/₂ digit LCD display

l D/C power supply

l Manual temperature compensation

SPECIFICATIONS

1. Measurement Range:

PH: 0-14.00pH, mV: 0-1400mV

2. Accuracy:

PH: 0.03pH; mV: ±0.2% (F.S) ±1 bit

3. Input Impedance: ≤5X10¹¹Ω

4. Stability: ≤2mV ±1 bit/2h

5. Temperature Compensation Range: 0-60ºC

6. Power supply: DC9V

7. Weight: 0.5kg (unit only) , 3kg (boxed)

8. Dimension: 160X95X40mm (unit only) 340X260X130mm (with box)

PH meter model PH-1P/2P

PH-1P PH-2P

measuring range: 0-14.0pH, accuracy : ±0.01pH (PH-1P), ±0.1pH (PH-2P)

l 3 ^1/2LCD display

l DC / AC

l high precision

l packed in leather bag

l four section measuring range:
0-199.9μs/cm ( measuring non-hydronium water )
0-1999μs/cm ( measuring drinking water )

0-19.99ms/cm ( measuring industrial water )

0-199.9ms/cm ( measuring seawater or salt water )

3. Pen type

PHR-1 PHR-2

l Hold permits you to freeze a reading

l Auto-off switches off your tester 8.5 minutes after last key selection

l Self diagnosis error messages

l Large LCD with mode annunciation

l PHRex-2 with E-201-C combination electrode

Model	PHR-1	PHR-2
Measurement Range:	PH: 0-14.0pH	PH: 0-14.0pH
Resolution:	PH: 0.1pH	PH: 0.1pH
Accuracy:	PH: ±0.2pH	PH: ±0.1pH
Operation Conditions Ambient Temp.: Power Supply:	0-50ºC 3pcs 1.4V batteries
Weight:	90g (unit only) 125g (boxed)	90g (unit only) 125g (boxed) 125g (boxed electrode)
Dimension:	153X42X23mm (unit only) 218X68X33mm (boxed)	151X42X24mm (unit only) 218X68X33mm (boxed unit) 198X182X35mm (boxed electrode)

PH meter model PH-3:

measuring range: 0-14.0 pH,

accuracy : ± 0.2 pHs,

resolution: 0.1pH

with retractable electrode( 25-80mm )

Hand-held pH Meters

Model	P-IA	P-II	P-III
Range	0.0-14.0 pH
Resolution	0.1 pH
Accuracy	0.1 pH
Temp.C	N/A	N/A	ATC (Temp Compensation Range: 0-60ºC)
Remark	changeable electrode	fixed electrode	fixed electrode
Calibration	Two points at 4.01pH AND 6.86 or 9.18 pH
Battery Life	DC 4X1.5V, 300-500 hrs

Mini pH Meters

PX-IA PH-900

Model	PX-IA	PX-II	PX-III
Range	0.0-14.0 pH
Resolution	0.1 pH
Accuracy	0.1 pH
Temp.C	N/A	N/A	ATC (Temp Compensation Range: 0-50ºC)
Remark	changeable electrode	fixed electrode	fixed electrode
Calibration	Two points at 4.01pH and 6.86 or 9.18 pH
Battery Life	DC 4X1.5V, 300-500 hrs

PH-900 Mini PH meter

Range: 0.00—14.00 pH,

Resolution: 0.01 pH,

Accuracy: +/-0.05pH,

Temp. C: 0—50℃, ATC

Calibration: Two-point at 4.01pH and 6.86pH or 9.18pH,

Battery Life: DC 4x1.5V

Pocket pH Meters

Model	PH-I	PH-II	PH-III
Range	0.0-14.0 pH
Resolution	0.1 pH
Accuracy	0.1 pH
Connection	Direct Screw type	Direct BNC	BNC+Cable
Calibration	Two points at 4.01pH plus 6.86 or 9.18 pH
Battery Life	DC 4x1.5V, 300-500 hrs