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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: HUABANG
  • Model Number: PM438
  • Measuring Current Range: None
  • Measuring Voltage Range: 200mV
  • Accuracy Class: 0.5%
  • Operating Temperature: -10℃ ~ 70℃
  • Dimensions: 68x44x18mm
  • display: 3 1/2 digits LCD
  • measurement: DC voltage
  • Display: LCD Display 4 digits
  • Certificate: ISO 9001 CE ROHS LVD
  • Frequency: 50HZ/60HZ
  • Power Supply: 8-12V
  • Measure parameters: DC voltage or current

Packaging & Delivery

Packaging Details Each Meter have own package
Delivery Time 5 days
Company Information

 

PM438, 3-1/2 LCD Digital Panel Meter

 

1. FEATURES

200mV full scale input sensitivity 

Single 9V battery operation 

Decimal point selectable 

13mm LCD figure height 

Automatic polarity indication 

Guaranteed zero reading for 0 Volts input

High input impedance 

 

2.SPECIFICATIONS

 

Max input: 199.9mV

Max display: 1999 counts with automatic polarity indication 

Indication method: LCD display

Measuring method: Dual slope integration A/D converter system 

Over range indication: 1 shown in the display 

Reading rate time: 2-3 readings per sec.

Input impedance: ≤ 10Mohm

Accuracy: ± 0.5% (23±5℃  <80%RH)

Power dissipation: 1mA

Decimal point: Selectable with short circuit

Supply voltage: 8-12V

 

4. OPERATION

 

If you need add proper voltage dividers ( RA, RB are not included ) and decimal point wire jumper:

Range

Proper voltage divider

Decimal point

DC 200mV

RA=0ohm, RB=10Mohm

P3

DC 2V

RA=10Mohm, RB=1Mohm

P1

DC 20V

RA=10Mohm, RB=100Kohm

P2

DC 200V

RA=10Mohm, RB=10Kohm

P3

DC 500V

RA=10Mohm, RB=1Kohm

-

DC 2mA

RA=0ohm, RB=100ohm

P1

DC 20mA

RA=0ohm, RB=10ohm

P2

DC 200A

RA=0ohm, RB=1ohm

P3

DC 2A

RA=0ohm, RB=0.1ohm

P1

 

Note : RA & RB must be more than 1/4W 0.5% metal film resistors or best and higher

B, Connect an 8-12V power supply to panel meter 

C, For ranges other than 200mV, input accurate 1/2 X max. Voltage generated by calibrator and carefully adjust semi fixed resistor 201 to have the same reading in LCD

D, Connect the input voltage or current to be measured to IN and COM, the input voltage should be DC only 

E, Connect the power to “+” and “-”polarity

FAQ

 

1. Q: Why choose us?

    A: We are professional energy meter manufacturer 24years and 15years golden supplier of Alibaba

2. Q: Do you have any certificates

    A: We have CE, RoHS, CCC, CQC, ISO9001:2015 Certification.

3. Q: How about your products quality inspection?

    A: We have professional QA and QC teams, 100% quality inspection is performed before goods out of factory.

4. Q: Can you accept to use our logo?

    A: we accept OEM and ODM production and can make customized product.

5. Q: What’s your quality guarantee?

    A: we provide repair or replace service within 18months if energy meter is not working  properly.

Company profile

WHO WE ARE ?

 

HUABANG, one of leading producer of lower voltage products such as Energy Meter, Current Transformer, Frequency Inverter, Soft Starter, Power Meter, We specializes in research, design and manufacturing with an emphasis on continuous improvement, innovation and high performance and cost-effective solutions HUABANG has developed as a global manufacturer.


We are committed to providing high quality, high performance products to our customers

 

 

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