Tonghui Th3444 Multi-Channel Digital Power Meter Support AC and DC Input Test

• Customization: Available
• After-sales Service: Lifelong
• Warranty: 1 Year
• Model NO.: TH3444
• Display: 7-Inch (800X480) Color TFT Resistive Touch Screen
• Installation: Direct Connected
• Usage: Multi-Functional Energy Meter, Watt-Hour Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Prepayment Meter, Reactive Energy Meter, Multi-rate Watt-hour Meters, Maximum Demand Meter
• Electric Equipment: Single-phase
• Theory: Electronic Meter
• Power Meter Connection: Terminal
• Measured Signal: Pulse Peak
• Type: Power Meter
• Customized: Customized
• Product Name: Tonghui Th3444 Multi-Channel Digital Power Meter S
• Number of Channels: 1
• Wiring Mode: One-Phase Twowire (1p2w)
• Current Resolution: 1mA
• Weight: 8.1kg
• Range Method: Auto/Manual
• Input Impedance: ≥ 2mΩ (Voltage Input)
• Output: 8 Channel Programmable Relay Output
• Comparator: Over-Limit Sound and Light Alarm
• Update Rate: Optional 0.1s/0.25s/0.5s/1s/2s/10s/20s
• Data Buffer Storage Function: The Test Results Are Stored in a U Disk, and Stati
• Power Supply: AC220V± 10%, 50/60Hz± 5%,
• Storage: USB Waveform, Setting File
• Basic Accuracy: 0.15% Reading + 0.2% Range
• Transport Package: Carton
• Specification: 28x20x55cm
• Trademark: Tonghui
• Origin: China
• HS Code: 9030339000
• Production Capacity: 3000 Sets Per Month

Product Description

Product Description

Brief Introduction
Channel: 1/3/4
AC/DC: Support AC and DC input test
Soft start: using soft power switch design
High-resolution display: 7 inches, 800×600 resolution, capacitive
 touch screen, support mouse operation
Provide screenshot operation
Broadband input: 0.1Hz-100kHz, suitable for most power systems on
 the market
Embedded system: equipped with embedded operating system, the
 human-computer interaction is more flexible and friendly
Comparison function: Provides 8 comparison channels for comparison
 output, and the output mode is programmable
Harmonic analysis: analysis parameters are controllable, and list 
 display and bar graph display are provided
Waveform display: Provides basic input signal waveform display 
 function and integrated power waveform display
Vector display: Provide a vector display of the input signal
Flexible energy integral control: provide continuous time control and 
 manual control of energy integral run and stop operations
File storage: a relatively powerful file system, compatible with most U 
 disks (FAT format)
Abundant interfaces: USB HOST, USB DEVICE, LAN, HANDLER, 
 RS232/RS485 (choose one of two)
Communication protocol: support SCPI command set and ModBus 
 command parsing

Technical Parameter 

Model		TH3441	TH3443	TH3444
Number Of Channels		1	3	4
Display
Wiring Mode		One-Phase Two-Wire (1P2W)	One-Phase Two-Wire (1P2W)
			One-Phase Three-Wire (1P3W)
			Three-Phase Three-Wire (3P3W)
			Three-Phase Four-Wire (3P4W)
			Three-Voltage Three- Current (3V3A)
Basic Features	AC	Y
	DC	Y
	Precision Type	Y
	Micro Current
	Harmonic Analysis	Y
	Electric Energy Test	Y
Display Mode	Data	Y
	Integration Data	Y
	Waveform Graph	Y
	Vector Analysis	Y
	Histogram	Y
Basic Accuracy (One Year)
Voltage	Basic Accuracy	0.15% Reading + 0.2% Range
	Resolution	0.001V
Current	Basic Accuracy	± (0.15% Reading + 0.1% Range)
	Resolution	1mA
Frequency Range		Voltage/Current Accuracy
DC		± (0.1% Reading +0.2% Range)
0.1Hz ≤ Freq < 45Hz		± (0.1% Reading +0.2% Range)
45Hz ≤ Freq < 66Hz		± (0.1% Reading +0.1% Range)
66Hz ≤ Freq < 1khz		± (0.1% Reading +0.2% Range)
1khz ≤ Freq < 10khz		± ((0.07*Freq) % Reading +0.3% Range)
10khz ≤ Freq ≤ 100khz		± (0.5% Reading +0.5% Range) ± [0.04*(Freq - 10k)] % Reading
Input
Voltage	Scope	1V - 600V
	Range	15V/30V/60V/150V/300V/600V
	Minimum Resolution	0.001V
	Input Impedance	2MΩ
	Allowed Max Input	1000V (1S)
		700V(Continuous)
Current	Scope	0.1mA - 20A
	Range	5mA/10mA/20mA/50mA/100mA/200mA
	Input Impedance	400mΩ
	Range	0.5A/1A/2A/5A/10A/20A
	Input Impedance	4mΩ
	Minimum Resolution	1uA
	Allowed Max Input	30A(1S)
		20A(Continuous)
Power	Range	0.1mW - 12kW
	Minimum Resolution	0.01mW
Frequency	Range	Fundamental Frequency Range: DC/0.1Hz - 100kHz, Filter 500Hz
	Minimum Resolution	0.01Hz
Power Factor	Range	- 1.000 - 1.000
	Minimum Resolution	0.001
Harmonic Analysis	Range	10Hz-1.2kHz
	Accuracy	± (5% Reading +0.3% Range)
Energy Integration	Range	0 - 99999kWh
	Resolution	0.001Wh
	Accuracy	± (0.2% Reading +0.3% Range)
Energy Timing	Range	0 - 9999:59:59
	Resolution	1s
	Accuracy	± 0.05%
Update Rate		Optional 0.1s/0.25s/0.5s/1s/2s/10s/20s
Lock Function		Data Lock
Range Method		Auto/Manual
Input Impedance		≥ 2MΩ (Voltage Input)
Comparator		Over-Limit Sound And Light Alarm
Output		8 Channel Programmable Relay Output
Measurement Assistance Function
Data Buffer Storage Function		The Test Results Are Stored In A U Disk, And Statistical Analysis Can Be Performed On The PC Side
Save/Load Function		The Saving Of Setting Data Is Divided Into Measurement Parameter Setting And System Parameter Setting
Keyboard Lock Function		Front Panel Keys And Touch Screen Operations Can Be Locked To Effectively Prevent Misoperation
Communication Interface	Serial Communication	RS232C/RS485 Optional
	USB HOST	Universal Serial Bus Socket, Type A; FAT16/FAT32 Format. U Disk Storage Or Designated Wireless Network Card (WIFI Supports RTL8192 And MT7601) And Other Equipment Support
	USB DEVICE	Universal Serial Bus Socket, Small Type B (4 Contact Positions); Compatible With USBTMC - USB488 And USB2.0, Female Connector For Connecting External Controllers. Optional CDC Mode Or TMC Mode.
	LAN	10/100baset Ethernet, 8 Pins, Stable Communication.
	HANDLER	8 Channel Programmable Relay Output
Storage		USB Waveform, Setting File
Power Supply		AC220V± 10%, 50/60Hz± 5%, Soft Power Switch
Size W*H*D	Working Size	236mm*154mm*475.5mm
	Shelf Size	215mm*132mm*441mm
Weight		8.1kg

Detailed Photos

 

Packaging & Shipping

Company Profile

Chuangkai Electronic Co., Ltd is leading company specialized in producing, developing & selling various types of measuring instruments and testing equipment, such as temperature data logger, LCR meter, DC resistance tester (micro ohm meter), digital power meter, power supply, transformer tester, battery tester, programmable DC electronic load, charger, temperature controller, tachometer, high voltage signal-amplifier, power amplifier, etc.

FAQ:
Q. How is your company's product after-sales service system?
A. The product warranty period is 12 months, we can provide lifetime maintenance. We have professional pre-sales and after-sales teams that can respond to you within 24 hours to resolve technical issues. We provide one-to-one after-sales service.

Q: Can you customize it?
A: Yes, we accept customization according to customer's specific requirements.

Q. How long is your lead time? If I want to customize instruments, how long will it take?
A. When order quantity is 1-10 units, we have ready stock goods, we can ship out within 3-5 working days after receipt of deposit; products required new production of common materials, usually the lead time is about 10-15 days; products requiring new production of special and rare materials, usually the lead time is about 20-30 days.

Q. What payment method do you accept?
A. Our company accept payment method of T/T (bank transfer), Western Union, PayPal and so on.

Q. What package do you use for your products? What shipping method do you use?
A.1. Our company use standard exporting carton for packing. 2. We ship via express courier (door to door service), by air, and by sea according to customers' requirements.

For more questions, please feel free to send inquiries to us.