Main Products: PH meter ,refractometer ,test paper ,TDS meter ,ORP meter
Lab waterproof digital cheap pH/ORP meter pH-131 made in China
USD $160 - $180 /Piece
Min.Order:1 Piece
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Hangzhou Lohand Biological Co., Ltd.
Business Type: Manufacturer,Trading Company
Hangzhou Zhejiang ChinaMain Products: PH meter ,refractometer ,test paper ,TDS meter ,ORP meterProduct Details
Portable Waterproof pH/ORP meter PH-131
INTRODUCTION
This new Waterproof Meter which is cost-effective is developed to meet requirements of most users. It is fully waterproof, shockproof, reliable accuracy and a striking exterior.
FEATURES
IP67 Waterproof
Shockproof
2*AA Battery
User friendly
pH Measurement
ORP Measurement
High Accuracy
5 data points for Calibration
Automatic Temperature Compensation
Rapid Response
Restore Factory Default
HOLD
Auto Power-Off
| Name | Description |
1 | Ready | Displayed when measuring results are stable |
2 | H | HOLD |
3 | R | Restore factory settings |
4 | pH | Liquid unit |
5 |
| Main Display |
6 |
| Second Display |
7 | Temperature Scale | Current temperature scale |
8 | Battery Icon | Current battery power level |
9 | Buffer | Calibrating |
10 | pH Probe Life Icon | Need to replace new probe when it show blank Note:Only for pH Functions |
SETUP MODE
NOTE: All operations are operational when the meters power on.
Temperature unit ℃, Range [0.0 – 60.0]
Temperature unit ℉, Range [32.0 – 140.0]
MODE,enter into different mode :
HOLD/SET
HOLD/SET,when in the Measurement Mode, it acts as HOLD function.
When in the Setting Mode, it acts as Confirmation or Selection function.
When the meter connect to probe, current temperature value will show on the Second Display; on the other hand, show the default 25℃ without probe.
When the meter connect to probe, current temperature value will show on the Second Display; on the other hand, show the default 77℉ without probe.
In the pH Measurement Mode
Immerse the pH probe in standard buffer solution until READY shows.(Get high accuracy ,please immerse the probe for 3min or longer .)
Press MODE five times, Buffer flash on the Second Display, press HOLD/SET to enter Calibration Mode. (BUFFER stop flashing)
The meter will automatically recognize the standard buffer solution and automatic calibration. During this process, calibration value will be shown on the Second Display.
After Calibration, meter automatically returns to Measurement Mode.
Up to 5 points calibration: 1.68 4.00 7.00 10.00 12.45
Temperature℃ | pH1.68 | pH4.00 | pH7.00 | pH10.00 | pH12.45 |
0 | 1.67 | 4.01 | 7.12 | 10.65 | 13.42 |
5 | 1.67 | 4.00 | 7.09 | 10.52 | 13.21 |
10 | 1.67 | 4.00 | 7.06 | 10.39 | 13.00 |
15 | 1.67 | 4.00 | 7.04 | 10.26 | 12.81 |
20 | 1.68 | 4.00 | 7.02 | 10.23 | 12.63 |
25 | 1.68 | 4.00 | 7.00 | 10.00 | 12.45 |
30 | 1.69 | 4.01 | 7.00 | 9.87 | 12.30 |
35 | 1.69 | 4.02 | 6.99 | 9.74 | 12.14 |
40 | 1.69 | 4.03 | 6.98 | 9.61 | 11.98 |
45 | 1.70 | 4.04 | 6.97 | 9.48 |
|
50 | 1.71 | 4.06 | 6.97 | 9.35 |
|
55 | 1.72 | 4.07 | 6.97 | 9.23 |
|
60 | 1.72 | 4.09 | 6.96 | 9.10 |
|
Note: For high accuracy, we recommend that users should regularly calibrate. In the following situation, users must recalibrate meters.
Replace probe
l After measuring aggressive chemicals
l Need high accuracy
l After measuring strongly acidic/alkaline substances (pH<2 or pH>12)
l At least once a month
In the ORP Measurement Mode
After adjust to target value, press MODE, returns to Measurement Mode. If the target value is not equal to the measured value, unit show R.mV
ORP Calibration solution
No.1 | mV | Chemical Formula | |
1 | 256 mV | pH 4.00 | Quinhydrone [1] |
2 | 86 mV | pH 7.00 | Quinhydrone [1] |
Restore Factory Default
Press MODE six times, R flash on the Main Display,press HOLD/SET to
restore factory default and meter will return to Measurement Mode after LCD full-shown for 1S.
AUTO POWER-OFF
The meter will automatically power off without any operation for 8 min.
SPECIFICATION
pH/ORP Meter | |||
Mode | pH | Voltage(mV) | Temperature |
Range | 0 to 14pH | -1200~+1200mV | 0.0-60.0℃ |
(32-140℉) | |||
Resolution | 0.01pH | 0.1mV | 0.1℉(0.1℃) |
Accuracy | ±0.02pH | ±1mV | ±0.9℉(±0.5℃) |
Responding Time | 20S | 20S | 30S |
Calibration | Up to 5 points | ||
Temperature Compensation | Auto (ATC) from 32-140℉ or 0-60℃ | ||
Operating Temperature | 32-122℉(0~50℃) |
| |
Battery | 2*AAA | ||
Probe | Plastic electrode | ||
The normal package is carton box,it also can be packaged according to customers special request.
We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.
Hangzhou Lohand Biological Co.,Ltd is a professional company that manufactures and exports laboratory instruments and equipments.We have our own registered brand"LOHAND" and own factory,with strong R&D center,sales team,customer service team and QC team,which grows very fast and obtains good reputation in the markt.
Our major products include: Refractometer,Test paper,pH meter,Electrode,TDS meter,Salinity meter, DO meter,ORP meter,Conductivity meter,Turbidity meter,Color comparison tube,test kit etc.Most of the products have CE certificate.All products can be customized according to buyers' special requirements.
Q1: Why choose us?
A: 1. We have our own factory with strong R&D center and QA team which can make sure your goods can be sent out on time and in superior quality.
2. We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.
3. We have purveyed customers with the lowest wholesale price.
Q2: How do you guarantee the quality?
A: One year's guarantee from date on B/L. Normally. If it's quality problem, we promise to return goods or funds.
Q3: Is OEM available?
A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.
Q4: Can we buy 1 pc for sample testing?
A: Yes, we are glad to send 1pc for quality testing if we have stock of the model you required.
Q5: How to deliver the goods for trial order or small order?
A : For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.
Q6: What kind of payment your company accept?
A : T/T , WEST UNION , PAYPAL , ETC.
Q7: If we have not found the model from website, what should we do?
A: Please email us with description and picture of the product, we research and develop new model every month, and some of them maybe have not been uploaded in website immediately. But If this is a new products for us, we can develop it for you after get all detailed information about your product.
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