PM438 DC 8-12V digital LCD display 4 digits panel mounted ammeter voltmeter

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US $3-5 / Pieces | 50000 Piece/Pieces (Min. Order)
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Overview
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
SupplyAbility
SupplyAbility:
50000 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
Each Meter have own package
Port
Ningbo
Lead Time :
5 days
Company Information

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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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