waterproof liquid digital pH/ORP meter pH-131 made in China
waterproof liquid digital pH/ORP meter pH-131 made in China
waterproof liquid digital pH/ORP meter pH-131 made in China
waterproof liquid digital pH/ORP meter pH-131 made in China

waterproof liquid digital pH/ORP meter pH-131 made in China

USD $160 - $185 /Piece

Min.Order:1 Piece

Supply Ability:
3000 Piece / Pieces per Month
Port:
Shanghai or Ningbo
Payment Terms:
T/T Credit Card PayPal

Quick Details View All >

Place of Origin:
Zhejiang, China
Brand Name:
LOHAND
Model Number:
pH-131

Hangzhou Lohand Biological Co., Ltd.

Business Type: Manufacturer,Trading Company
Hangzhou Zhejiang China
Main Products: PH meter ,refractometer ,test paper ,TDS meter ,ORP meter

Product Details

 

Product Description

 

Portable Waterproof pH/ORP meter PH-131

INTRODUCTION 

 

This new Waterproof Meter which is cost-effective is developed to meet requirements of most usersIt 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

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 

 

Power On  

  1. Press POWER once to turn the meter on.  
  2. Press POWER again to turn the meter off.  

NOTE:  All operations are operational when the meters power on. 

 

Temperature Units 

 

Temperature unit Range [0.0 – 60.0]

 

Temperature unit Range [32.0 – 140.0]

 

Working Mode   

 

MODE,enter into different mode : 

 

  1. Enter into measurement mode as soon as power on.  
  2. Press MODE once,pH flash on the Second Display, pH mode 
  3. Press MODE twice,mV flash on the Second Display, ORP mode
  4. Press MODE three times “ flash on the Second Display, Degrees Celsius temperature unit mode. 
  5. Press MODE four timesflash on the Second Display, Degrees Fahrenheit temperature unit mode.
  6. Press MODE five times“Buffer” flash on the Second Display,Calibration mode. 
  7. Press MODE six times“R” flash on the Main Display,Restore factory default 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. 

 

Set Temperature Units  

  1. Press MODE three times, flash on the Second Display,press HOLD/SET to confirm temperature unit. 

 

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 

 

 

  1. Press MODE four times,  flash on the Second Display, press HOLD/SET to confirm temperature unit. 

 

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 

 

pH Calibration  

 

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

 

 

 

 NoteFor high accuracy, we recommend that users should regularly calibrate. In the following situation, users must recalibrate meters. 

 

 Replace probe 

 

After measuring aggressive chemicals

 

Need high accuracy 

 

After measuring strongly acidic/alkaline substances (pH<2 or pH>12)

 

At least once a month 

  

ORP Calibration  

 

In the ORP Measurement Mode  

 

 

  1. Immerse the ORP probe in standard solution until READY shows.(Get high accuracy ,please immerse the probe for 3min or longer .)

 

 

  1. Press MODE five times, offset flash on the Second Display, press HOLD/SET to enter Calibration Mode. (OFFSET stop flashing

  

  1. Press SET adjusts to target value, plus 1 for every pushing; minus 1 for continuing press. Range ±150.0mV

 

 

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 
buffer solution

Quinhydrone

[1]

2

86 mV

pH 7.00 
buffer solution

Quinhydrone

[1]

  

 

Restore Factory Default   

 

Press MODE six timesR 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 

 

 

Packaging & Shipping

The normal package is carton box,it also can be packaged according to customers special request.

Our Services

We have experienced and dedicated core members to offer you professional and reliable before-sales and after-sales service.

Company Information

 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.

 

 

 

FAQ

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.

Contact Supplier

Mr. Mike Zhang Deputy General Manag Chat Now
Telephone
86-0571-86418090
Mobile
13732228065
Fax
86-0571-56515259
Address
Floor 2, Bldg. 5, Jianggan Tech Park, No. 63, Jiuhuan Road, Jiubao Town, Jianggan Dist, Hangzhou,Zhejiang

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