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hk Longwei Instruments Portable Digital Multimeter With Good Price Sale From Manufacturer

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Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Place of Origin:
Guangdong, China
Brand Name:
LONGWEI
Model Number:
LW320
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Dongguan Longwei Electronic Technology Co., Ltd.
Payment & Shipping
Payment Methods:
Port of Shipment:
SHENZHEN
Delivery Detail:
Delivery time depends on order quantity.

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Place of Origin Guangdong, China
Brand Name LONGWEI
Model Number LW320
Measuring Current Range DC40mA/400mA AC40mA
Measuring Voltage Range DC 400mV/4V/40V/400V/600V AC 4V/40V/400V
Measuring Resistance Range 2K-20K-200K-2000K
Operating Temperature 0 ~ 40
Dimensions 120 x 70 x 18mm

 

Multimeter LW320

 

1. SELECT Button

Push button for selection of measuring function

2. HOLD Button

Push button for data hold

3. Function Rotary Switch

Rotary switch for function selection and turning meter ON/OFF

4. Test Leads

Red test lead for positive (+) and black test lead for negative (-)

5. LCD Display

3 ¾ digits, 7 segment, maximum 3999 counts

 

 

Specification

Accuracy is guaranteed for 1 year, 23ºC ± 5ºC, less than 75% RH

DC Voltage

Range

Resolution

Accuracy

400mV

0.1mV

±0.5% of rdg ±3 dgts

4V

1mV

±0.5% of rdg ±3 dgts

40V

10mV

±0.5% of rdg ±3 dgts

400V

0.1V

±0.5% of rdg ±3 dgts

600V

1V

±0.8% of rdg ±3 dgts

 

Overload Protection: 600 V DC or RMS AC for all ranges

Input Impedance: 10MΩ

AC Voltage

Range

Resolution

Accuracy

4V

1mV

±0.8% of rdg ±4 dgts

40V

10mV

±0.8% of rdg ±4 dgts

400V

0.1V

±0.8% of rdg ±4 dgts

600V

1V

±1.2% of rdg ±4 dgts

 

Overload Protection: 600V DC or RMS AC for all ranges

Input Impedance: 10MΩ

Frequency Range: 50Hz to 400Hz, 50 to 60Hz for 400V and 600V ranges

Response: average responding, calibrated in RMS of a sine wave

DC Current

Range

Resolution

Accuracy

40mA

0.01mA

±2.0% of rgd ±3 dgts

400mA

0.1mA

±2.0% of rgd ±3 dgts

 

Overload Protection: F 400mA/250V fuse

AC Current

Range

Resolution

Accuracy

40mA

0.01mA

±3.0% of rgd ± 4dgts

 

Overload Protection: F 400mA/250V fuse

General Specifications

  • Environment Conditions:Pollution degree: 2
  • Altitude: up to <2000 m
  • Operating Temperature:0 ~ 40ºC (32ºF ~ 104ºF) (<80% RH, non-condensing)
  • Storage Temperature:-10 ~ 50ºC (14ºF ~ 122ºF) (<70% RH, battery removed)
  • Max Voltage between
  • Terminals & Earth Ground:CAT II 600V
  • Fuse Protection:F 500mA/250V
  • Power Supply:3V battery, SR44 or LR44 x 2
  • Display:LCD, 3999 counts, updates 2-3 seconds
  • Measuring Method:Dual-slope integration A/D converter
  • Over Range Indication:"OL" symbol displayed on LCD
  • Polarity Indication:"-" displayed for negative polarity
  • Low Battery Indication:indicator is displayed on LCD
  • Size:120 x 70 x 18mm
  • Weight:Approx. 110g including batteries

 

 

 

 

 

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Dongguan Longwei Electronic Technology Co., Ltd.
Business Type
Manufacturer, Trading Company
Year Established
2010
Factory Size
1,000-3,000 square meters
Total Employees
501 - 1000 People
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