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Waterproof Ph Meter With Backlight

Supplier From China
Jun-16-17

Waterproof ph meter with backlight
Specifications
Range 0.0 to 14.0 ph
Resolution:     0.1 ph
Accuracy : ±0.01 ph
Typical emc deviation  ±0.1 ph
Calibration:  manual, 1 point,
Temperature compensation automatic: 0 to 50
Environment:  0 to 50 (32 to 122f);
Rh max 95%
Battery type   4 x 1.5v alkaline
Battery life approx. 200 hours of use
Dimensions 152 x 30 x 21 mm
(5.9 x 1.2 x 0.8")
Weight:     53 g

Operation
Remove the protective cap. Do not be alarmed if white crystals
Appear around the cap. This is normal with ph electrodes and
They dissolve when rinsed with water.
Turn the meter on sliding the switch on the top.
Immerse into solution up to the max immersion level.                                         ?¢ stir gently and wait until the display stabilizes. Readings are automatically compensated for temperature variations.
After use, switch off ph meter, use the water clean the electrode and replace the protective cap.
Do not use distilled or deionized water for storage purposes.
Large fluctuations in readings could be due to lack of calibration, dry electrode or rundown batteries.

Calibration
Immerse the tester up to the maximum immersion level in ph 6.86 buffer solution
Allow the reading to stabilize and using a small screwdriver adjust the calibration trimmer to read 6.9.
Calibration is now complete.
Always use fresh buffers for calibration.
Battery replacement
When the meter cannot be switched on or the display fades, pull out the battery compartment and replace all three 1.5v batteries, while paying attention to their polarity. Batteries should only be replaced in a safe area using the battery type specified in this instruction manual.

Price and Minimum Quantity

Price: $6.5
MOQ: Not Specified

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pHG-1901 industrial online PH meter is a precision meter for measurement of the PH value of solution. With complete
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measurement and control of PH value. Various PH electrodes can be used in pHG-1901 industrial online PH meter.
Features
LCD display, high-performance CPU chip, high-precision AD conversion technology and SMT chip technology,
Multi-parameter, temperature compensation, high precision and repeatability
US TI chips; 96 x 96 world-class shell; world-famous brands for 90% parts
The current output and alarm relay adopt optoelectronic isolating technology, strong interference immunity and
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Isolated alarming signal output, discretionary setting of upper and lower thresholds for alarming, and lagged
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High-performance operational amplifier, low temperature drift; high stability and accuracy.

Technical Indexes
1. Measuring range: 0~14.00pH, Resolution:0.01pH
2. Precision:0.05pH,±0.3
3. Stability:â?¤0.05pH/24h
4.Automatic temperature compensation: 0~100(pH)
5.Manual temperature compensation:0~80(pH)
6. Output signal: 4-20mA isolated protection output, dual current output
7. Communication interface:RS485(optional)
8. Control interface: ON/OFF relay output contact
9.Relay load: Maximum 240V 5A; Maximum l l5V 10A
10. Relay delay: Adjustable
11.Current output load:Max.750Ω
12. Insulation resistance:â?¥20M
13. Power supply: AC220V ±22V, 50Hz ±1Hz
14. Overall dimension: 96(length)x96(width)x110(depth)mm;dimension of the hole: 92x92mm
15. Weight: 0.6kg
16. Working condition: ambient temperature:0~60, air relative humidity:â?¤90%
Except for the earth magnetic field, there is no interference of other strong magnetic field around.
Standard configuration
One secondary meter, the mounting sheath of immerged (selection), one PH electrode, three packs of standard

Ordering guide:
1. To inform whether the electrode provided is a dual or ternary complex.
2. To inform the length of the electrode cable (default as 5m).
3. To inform the installation type of the electrode: flow-through, immerged, flanged or pipe-based
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Wavelength Range: 190-1100nm
Spectral Bandwidth: 2nm(5nm,1nm optional)
Wavelength Accuracy: í+0.5nm
Wavelength Reproducibility: 0.2nm
Photometric Accuracy: í+0.5%T(0-100%T), í+0.002A(0-0.5A), í+0.004A(0.5A-1A)
Photometric Reproducibility: 0.2%T
Working Mode: T, A(-0.33A), C, E
Stray Light: í_0.1%T(NaI,220nm;NaNO2, 340nm)
Baseline Flatness: í+0.002A
Stability: í_0.002A/h( At 500nm, After warming up)
Noise: í+0.001A(at 500nm, After warming up)
Detector: Silicon photo-diode
Display: 6 inches high light blue LCD
Power: AC:220V/50Hz,110V/60Hz,140W
Dimensions: 530í-410í-210mm
Weight: 18kg.
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Buyer From Guangzhou, Guangdong, China
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Buyer From Seoul, South Korea (Republic Of Korea)

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