Home
Supplier Discovery
Instruments & Meters
Energy Meter & Power Meter
Single Phase Meter Factories & Companies
Filter
Category
Construction & Decoration
Electrical & Electronics
Manufacturing & Processing Machinery
Metallurgy, Mineral & Energy
Transportation
More
Management Certification
ISO9001:2008
Others
ISO9001:2015
ISO14001:2015
ISO45001:2016
More
R&D Capacity
OEM
ODM
Own Brand
Others
Annual Revenue
<1 Million USD
1 ~ 2.5 Million USD
2.5 ~ 5 Million USD
5 ~ 10 Million USD
10 ~ 50 Million USD
More
No.of Employees
Less than 5 People
5-50 People
51-200 People
201-500 People
501-1000 People
More
Province & Region
Anhui
Beijing
Chongqing
Fujian
Gansu
More
about single phase meter
Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities
single phase meter
2,000+ factories verified
Hangzhou Antin Power Technology Co., Ltd.
13 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
AT100G Single Phase Power Meter Din Rail Energy Meter
US$
15.00
-
25.00
100 Pieces
(MOQ)
AT100G-YF Single Phase DIN Rail Prepaid Energy Meter Prepaid Power Meter
US$
20.00
-
40.00
100 Pieces
(MOQ)
Digital AC Meter Single Phase DIN Rail Energy Meter CE Certified
US$
15.00
-
25.00
100 Pieces
(MOQ)
AT100G-YF Single Phase Prepaid Energy Meter with Auto Disconnect & RS485 Communication
US$
20.00
-
40.00
100 Pieces
(MOQ)
1/4
Zhejiang Tongzheng Electric Co., Ltd.
24 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Tomzn 3 - Circuit Single Phase WiFi Energy Meter Dts238 - 7L3w
US$
52.50
5 Pieces
(MOQ)
High Precision 45A Single Phase Energy Meter with 110V 220V
US$
19.10
5 Pieces
(MOQ)
Tomzn 5 (65) a 230V 50Hz/60Hz Dds238-2 Single-Phase Watt Hour Energy Meter
US$
7.88
5 Pieces
(MOQ)
Tomzn 220-230VAC 5 (60) a 10 (100) a Single-Phase Energy Meter 50/60Hz
US$
6.21
-
7.16
5 Pieces
(MOQ)
1/4
Shandong Rongxian Instrument Technology Co., Ltd.
10 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Single Phase Smart Suspended Electricity Meters Remote Sub-Meters with Qr Code
US$
16.00
-
18.00
500 Pieces
(MOQ)
Single-Phase Digital Energy Meter Single Phase Prepaid Electric Meter
US$
18.00
-
18.86
1,000 Pieces
(MOQ)
High Accuracy Prepaid Single Phase Electronic Energy Meter for Residential Use
US$
18.00
-
18.86
1,000 Pieces
(MOQ)
Single-Phase 4p DIN Rail Smart Electricity Meter, RS485, 4G
US$
12.50
-
13.00
1,000 Pieces
(MOQ)
1/4
Zhejiang Tainihan Electrical Technology Co., Ltd.
11 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Smart Energy Electronic Power Meter: Single Phase with RS485 for AMR
US$
4.489
500 Pieces
(MOQ)
Electric Energy Prepaid Power Meter - IC Card Electronic Instrument for Single Phase
US$
4.80
100 Pieces
(MOQ)
Power Electric Energy Meter Single Phase Mechanical Logger for Building Electricity Measurement
US$
3.29
500 Pieces
(MOQ)
14 Dds-19L Electricity Smart Prepaid Single Phase Meter
US$
6.574
500 Pieces
(MOQ)
1/4
Wuhan San Fran Electronics Co., Ltd.
28 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Single Phase LCD DIN Rail Digital Prepaid Energy Meter: 4G / G3-PLC / Hybrid RF/ Bplc/ Optical Port / GPS / RS485 with Ciu and Ami Solution, Dlms / Cosem
US$
25.00
-
35.00
50 Pieces
(MOQ)
Single Phase Smart Prepaid Keypad Energy Meter, Dlms, 5 (100) a, IP54, 1kg
US$
30.00
-
35.00
100 Pieces
(MOQ)
Sts Keypad Prepaid Single Phase Electricity Energy Meter
US$
12.00
-
25.00
1 Piece
(MOQ)
Sts DIN-Rail Single Phase Prepaid Electricity Meter with Ciu LCD Screen
US$
25.00
-
35.00
50 Pieces
(MOQ)
1/4
Zhejiang Xinghao Technology Co., Ltd.
17 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Single Phase Sts Dlms Remote Control Enery Meter Multimeter
US$
1.00
-
80.00
100 Pieces
(MOQ)
Dac4121c DIN Rail Tuya Single Phase Wireless Digital Smart Energy Meter
US$
1.00
-
50.00
100 Pieces
(MOQ)
Dac4100c Single Phase DIN Rail Modbus Smart Remote Control Energy Meter
US$
23.00
-
40.00
100 Pieces
(MOQ)
Dac1100 Single Phase RS485 Modbus Electric Meter Metering Current Voltage Power
US$
12.00
100 Pieces
(MOQ)
1/4
Wuhan Timewave Iot Technology Co., Ltd
9 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Smart Electronic Energy Meter: Single & Three Phase, Lorawan / WiFi / 4G / RS485 with Prepaid Electricity Remote Control and Ami / AMR Solution
US$
8.74
-
77.43
1 Piece
(MOQ)
Smart DIN - Rail Electronic Energy Meter: Single & Three Phase, Lorawan / WiFi / 4G / RS485 with Prepaid Electricity Remote Control and Ami / AMR Solution
US$
6.33
-
49.60
1 Piece
(MOQ)
WiFi Single Phase Smart Electric Energy Meter with Prepaid Remote Control and Electricity on-off Control, Time-Based Billing
US$
10.10
-
17.20
1 Piece
(MOQ)
Lorawan Guild Rail 4p Single Phase Smart Electric Energy Meter with Prepaid Electricity Remote Control and Time-Based Billing Eli864/Us915/Cn470/EU433
US$
18.43
-
26.57
1 Piece
(MOQ)
1/4
CET Electric Technology Inc.
Send Inquiry
PMC-230 DIN Rail Class 0.5 Single-Phase 63A Direct Input Multifunction Power Meter
US$
192.00
1 Piece
(MOQ)
PMC-220 DIN Rail Class 0.5 Self-Powered Single-Phase 63A Direct Input Multifunction Meter
US$
72.00
1 Piece
(MOQ)
PMC-220 35mm DIN Rail Self-Powered Single-Phase Multifunction Meter for Electrical Energy Measurement with 1 Solid State Output
US$
72.00
1 Piece
(MOQ)
PMC-230 DIN Rail Class 0.5 Single-Phase Multifunction Meter for Electrical Current Power Measurement with Digital Inputs
US$
192.00
1 Piece
(MOQ)
1/4
Beijing Hezhong Huineng Electric Technology Co., Ltd
13 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Dds277 Multi-Tariff Electric Meter Active Power Accuracy Class 1 4-Module DIN Rail Mounting RS485 Single-Phase AC Active Energy Smart Rated Frequency of 50Hz
US$
25.00
-
30.00
1 Piece
(MOQ)
Ddsy277 Single-Phase Electronic Prepayment Energy Meter 7-Digit LCD Display RS485 Communication AC Active Energy with a Rated Frequency of 50Hz 1 Pulse Output
US$
50.00
-
100.00
1 Piece
(MOQ)
Popular Electronic Meter Pmh1250p2y Series Single-Phase Electronic Energy Meter (DIN Rail Type)
US$
50.00
-
100.00
1 Piece
(MOQ)
Kwh Meter Dds277 Multi-Tariff Electric Meter Active Power Accuracy Single-Phase AC Active Energy
US$
25.00
-
30.00
1 Piece
(MOQ)
1/4
Shengsu Electric Co., Ltd.
12 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Single Phase Digital DC Ampere Panel Meter for Water Current Meter
US$
8.05
-
13.80
5 Pieces
(MOQ)
4-20mA Analog Single Phase Digital Current Meter AC Ampere Panel Meter
US$
6.00
5 Pieces
(MOQ)
RM-DV31 96*96mm Digital Voltage Meter RS485 LED Display Single-Phase Digital Panel Voltmeter
US$
5.14
5 Pieces
(MOQ)
DC 12V 48*96mm Single Phase Digital Ammeter Electric Current Meter Rh-Da51
US$
5.70
5 Pieces
(MOQ)
1/4
ACREL CO., LTD.
23 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Smart Single Phase Multifunction Kilowatt Hour Kwh Energy Meter Power Meter 10 (80) a 220V 50Hz Tariff Load Control
US$
27.10
1 Piece
(MOQ)
Acrel Adl200 Single Phase Power Meter Energy Consumption RS485 Modbus
US$
20.00
-
30.00
1 Piece
(MOQ)
UL Certificate Cts Paired AC 200A Single Phase Solar PV Electric Smart Energy Meter 45-65Hz Modbus-RTU 35mm DIN Rail Installed
US$
85.00
-
95.00
1 Piece
(MOQ)
Dropshipping AC System RS485 Modbus 230V U I P Q S PF Kwh Monitoring Adl200n Single Phase Energy Meter with Current Transformer
US$
31.00
-
41.00
1 Piece
(MOQ)
1/4
Shenzhen Xingyuan Intelligent Meter Co., Ltd.
17 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Class-B Wsz12dm-32A 2000imp/Kwh Single-Phase Electricity Smart Remote Reading Meter for Consumption Tracking
US$
16.00
-
19.00
100 Pieces
(MOQ)
Factory Direct Sales 230V Rated Voltage Single-Phase Rail-Type Electric Energy Meter
US$
16.00
-
19.00
100 Pieces
(MOQ)
2000imp/Kwh Wsz14drs-32A Pulse-Output Single-Phase Electricity Smart Remote Reading Meter for Multi-Unit Buildings
US$
16.00
-
19.00
100 Pieces
(MOQ)
IP51-Rated Wsz14drs-32A Indoor-Protected Single-Phase Electricity Smart Power Control Meter for Utility Applications
US$
16.00
-
19.00
100 Pieces
(MOQ)
1/4
Zhejiang Xianju Electric Co., Ltd
11 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Xtm75s White Single Phase 4p 2-Wire Energy Meter Analog Kwh 35mm DIN Rail Pulse Output Manufacturer OEM ODM
US$
4.28
-
4.65
10 Pieces
(MOQ)
Xtm75s Single Phase Electronic Energy Meter DIN Rail Type Kwh Counter Consumption Analog Electricity Gague Wattmeter
US$
3.79
-
4.12
10 Pieces
(MOQ)
Xtm18s Household Single Phase 35mm DIN Rail Installation Mounted Kwh Electricity Meter Watt Hour Meter Factory Direct OEM ODM
US$
5.20
-
5.70
10 Pieces
(MOQ)
Xtm35sq Reset Button 2p Single Phase Energy Meter Large Screen Measurement and Pulse Output Terminal 35mm DIN Rail Mounted
US$
4.35
-
4.73
10 Pieces
(MOQ)
1/4
Zhejiang Akarui Electronic Technology Co., Ltd.
Send Inquiry
Best Sts Prepaid Meter Smart Single Phase Prepaid Electric Meter
US$
13.00
-
16.00
5 Pieces
(MOQ)
Affordable Single Phase 1p DIN Rail Kwh Power Meter for Lebanon
US$
4.00
-
6.00
1 pieces
(MOQ)
Advanced Modbus Single Phase Energy 4p DIN Rail Meter for Power Monitoring
US$
3.20
-
7.80
5 pieces
(MOQ)
High Precision Single-Phase LCD Electricity Meter for Home Use
US$
5.00
-
7.00
1 pieces
(MOQ)
1/4
Zhongcheng Metering Limited
Send Inquiry
Single Phase Smart Sts Prepaid Prepayment Energy Meter
US$
20.00
-
30.00
1 Piece
(MOQ)
Smart Single Phase DIN Rail Keypad Prepaid Energy Meter
US$
20.00
-
35.00
1 Piece
(MOQ)
Single Phase Smart Split Prepayment Meter
US$
20.00
-
30.00
1 Piece
(MOQ)
Single Phase Sts Prepaid Prepayment Energy Meter
US$
15.00
-
25.00
1 Piece
(MOQ)
1/4
Shanghai Kongpengyi Electrical Technology Co., Ltd
3 yrs
·
Trading Company
Send Inquiry
Single-Phase Multi-Function Optical Electric Energy Digital Power Smart Meter Accuracy
US$
100.00
100 Pieces
(MOQ)
Multi-Channel Temperature Single-Phase Multi-Function Optical Electric Energy Digital Power Smart Meter Accuracy
US$
100.00
100 Pieces
(MOQ)
Harmonic Measurement Single-Phase Scalability Optical Electric Energy Digital Power Smart Meter Warm-up Time
US$
100.00
100 Pieces
(MOQ)
Multi-Channel Temperature Single-Phase Fiber Optic Electric Energy Digital Power Panel Meter Accuracy Range
US$
100.00
100 Pieces
(MOQ)
1/4
Baiyue Technology (Fujian) Group Co., Ltd.
4 yrs
·
Trading Company
Send Inquiry
Wall-Mounted Single Phase Two Wire Smart RF Prepaid Electricity Meter
US$
23.53
-
52.94
500 Pieces
(MOQ)
Industrial-Grade Smart Single-Phase Multi-Functional Prepaid DIN Rail Digital Current High-Voltage Electricity Energy Meter
US$
9.50
-
10.99
1 Piece
(MOQ)
Single-Phase Electricity Meter with LCD Display Rail-Mounted 1p Unit for DIN Rail Installation
US$
8.86
-
9.99
1 Piece
(MOQ)
Smart Single-Phase Two Wire Wireless Wall-Mounted Electronic Mechanical Energy Watt-Hour Meter
US$
23.53
-
52.94
500 Pieces
(MOQ)
1/4
Wenzhou Xinyan Electric Co., Ltd
Send Inquiry
Single Phase DIN Rail Watt Hour Meter LCD Display
US$
21.68
-
23.50
500 Pieces
(MOQ)
Electric Single Phase Energy Meter
US$
21.68
-
23.50
500 Pieces
(MOQ)
Smart Type Single Phase DIN Rail Energy Meter LCD
US$
16.65
-
17.50
500 Pieces
(MOQ)
Single Phase DIN Rail Type Watt Hour Meter
US$
16.65
-
17.50
500 Pieces
(MOQ)
1/4
Wenzhou Taiye Electric Co., Ltd.
3 yrs
·
5.0
·
Trading Company
Send Inquiry
60A DIN Rail Single Phase Digital Power Consumption Energy Kwh Meter
US$
2.11
10 pieces
(MOQ)
Single Phase Digital AC220V Multimeter Energy Power Consumption Meter
US$
12.85
1 Piece
(MOQ)
Single Phase LCD Digital Electric Energy Meter Dds1108 with or Without Backlight Kwh V a W Wattmeter AC 230V 50/60Hz
US$
3.17
5 Pieces
(MOQ)
96*96*78mm Single-Phase LED Voltage Panel Meter AC220V Volt (L-N) AC380V
US$
6.17
1 Piece
(MOQ)
Jiangsu Acrel Electrical Manufacturing Co., Ltd.
22 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
MID Single Phase Three Phase Electric Energy Power Meter for EV Charger
US$
34.30
-
70.87
1 Piece
(MOQ)
Acrel PZ Series AC Programmable Panel Single-Phase and Three-Phase Ammeter Voltmeter Power Energy Meter
US$
96.92
-
280.00
1 Piece
(MOQ)
Data Logger Single Phase Power Meter
US$
26.70
-
50.00
1 Piece
(MOQ)
Single Phase and Three Phase DIN Rail Energy Meter with MID Certificate
US$
37.80
-
70.87
1 Piece
(MOQ)
1/4
Smart Electrical Engineering Co., Ltd.
Send Inquiry
BY100D Single Phase DIN Rail Prepaid Meter
US$
20.00
-
50.00
100 Pieces
(MOQ)
China Prepaid Sts Single Phase Dlms Protocol Watt Hour Prepayment Kwh Meter
US$
10.00
-
50.00
5 Pieces
(MOQ)
See Plastic BS Type Energy Meter Single Phase Meter Enclousure
US$
6.00
-
8.00
1 Piece
(MOQ)
Smart Single Phase Sts Energy Meter
US$
5.00
-
50.00
100 Pieces
(MOQ)
1/4
ROGOWSKI TECHNOLOGY (SHANGHAI) CO., LTD.
8 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Me440 Handheld Data Logger Three Phase/ Single Phase Power Meter Measurement and Analysis Instruments Rogowski Coil Solar Power Analyzer
US$
300.00
-
500.00
1 Piece
(MOQ)
TFT Display High Quality Handheld Digital Kwh Energy Meter Single Phase/Three Phase Power Meter
US$
200.00
-
300.00
1 Piece
(MOQ)
Single Three Three Phase Multi-Circuit Power Meter with RS485 Modbus RTU
US$
80.00
-
85.00
1 Piece
(MOQ)
DIN Rail Current Volt Power Energy Meter AC Single Phase Panel Meter Current Meter
US$
80.00
-
85.00
1 Piece
(MOQ)
1/4
IVY METERING CO., LTD.
Send Inquiry
Single Phase DIN Rail 80A 230V 868MHz 915MHz Lora Electricity Meter Lorawan Smart Energy Meter
US$
30.00
-
60.00
1 Piece
(MOQ)
220V Single Phase Kwh Meter, Direct Connect, RS485, Bi-Directional, MID Approved, 32A.
US$
12.00
-
18.00
1 Piece
(MOQ)
Single Phase DIN Rail RS485 Solar DC Shunt Energy Meter
US$
16.50
-
34.75
1 Piece
(MOQ)
Modbus TCP/RTU Electricity Meter Energy Meter Single Phase DIN Rail Digital Electricity Meter RS485 Smart Electricity Meter
US$
18.00
-
25.00
1 Piece
(MOQ)
1/4
Aswich Electrical Co., Ltd.
6 yrs
·
Trading Company
Send Inquiry
Smart Mini Power Single Phase Three Phase DIN Rail Electricity Energy Meter/ Watt Hour Meter
US$
16.80
-
35.00
1 Piece
(MOQ)
RS485 1p DIN Rail Single Phase Communication Energy Smart Meter
US$
7.00
-
30.00
1 Piece
(MOQ)
1p 220V Single Phase AC Energy Check Meter
US$
15.00
-
30.00
1 Piece
(MOQ)
Single Phase Three Phase Electronic Energy Meter RS485 1p 2p DIN Rail
US$
6.58
-
30.00
1 Piece
(MOQ)
1/4
Jiangsu Sfere Electric Co., Ltd.
28 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Front: IP51 Single-Phase DIN Rail Mounted 1 Phase Energy Meter
US$
11.00
-
20.00
1 Piece
(MOQ)
China-Made Single-Phase Smart Electric Measuring Instrument Current and Voltage Panel Meter
US$
20.00
-
28.00
1 Piece
(MOQ)
Single-Phase Voltage Voltmeter LED Display Intelligent Electrical Panel Meter
US$
20.00
-
28.00
1 Piece
(MOQ)
MID Certified Smart Meter for Single Phase EV Charging
US$
22.00
-
32.00
1 Piece
(MOQ)
1/4
Zhejiang Geyue Electric Technology Co., Ltd.
5.0
Send Inquiry
Geyue Single Phase LCD Electronic Electricity Meter Energy Meter Measurement Module Gy2plcd
US$
2.69
-
3.13
20 Pieces
(MOQ)
High Precision Single Phase Electronic Energy Meter Gy2plcd by Geyue
US$
2.69
-
3.13
20 Pieces
(MOQ)
Geyue Single Phase Mechanical Electronic Measurement Module Electronic Energy Meter Power Meter Electricity Meter Gy1pm
US$
7.31
-
8.21
20 Pieces
(MOQ)
Advanced Geyue LCD Energy Meter for Accurate Single Phase Measurement
US$
2.69
-
3.13
20 Pieces
(MOQ)
1/4
Shandong Gangwan Electric Technology Co., Ltd
3 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Wholesale Single-Phase Digital Energy Meter Rail Installation AC Charging Pile RS485 Modbus LCD Display 80A Maximum Kwh Meter
US$
2.50
-
3.20
1 Set
(MOQ)
Multifunctional Smart Electric Meter, Three-Phase 380V/Single-Phase 220V Optional, Remote Monitoring Electric Energy Meter
US$
2.50
-
3.20
1 Set
(MOQ)
Electricity Analysis 1p Single Phase 230V 220V DIN Rail Digi 30A LCD Energy Monitor Kwh Watt Hour Energy Meter
US$
2.50
-
3.20
1 Set
(MOQ)
Single Phase 2 Wire Watt-Hour Meter Digital Electronic Energy Meter 230V 10 (40) a Class 1 Electricity Energy Meter
US$
2.50
-
3.20
1 Set
(MOQ)
1/4
Zhejiang Liuyi Electrical Technology Co., Ltd.
Send Inquiry
Single Phase 220V Digital Counter Power Kilowatt Hour Energy Meter Wall Mounted
US$
2.60
-
3.50
5 Pieces
(MOQ)
Single-Phase Dual Circuit DC Energy Meter Rail Mounted Meter
US$
27.00
-
28.00
5 Pieces
(MOQ)
Household Single-Phase DIN Rail Power Intelligent Analog Kilowatt Hour Meter
US$
4.59
-
5.49
5 Pieces
(MOQ)
LCD Electrical DIN Rail Single-Phase 1p 2-Wire Digital Wattmeter Power Consumption Meter
US$
3.55
-
3.79
5 Pieces
(MOQ)
1/4
Zhejiang Leidun Electric Co., Ltd
5.0
Send Inquiry
Single-Phase DIN Rail Mounted Energy Meter 2p 5A
US$
3.65
-
4.00
1 Piece
(MOQ)
Single Phase Electrical Watt-Hour Meter
US$
3.50
-
3.80
1 Piece
(MOQ)
Single Phase Two-Wire Electronic Smart Digital Electric Energy Meter Electric Electricity Meter
US$
3.20
-
13.90
1 Piece
(MOQ)
0-60A LCD Backlight Digital Display Single Phase Electronic Energy Kwh Watt Meter
US$
3.40
-
3.60
1 Piece
(MOQ)
1/4
Tunkia Co., Ltd.
20 yrs
·
5.0
·
Manufacturer/Factory
Send Inquiry
TD3100 Single-phase Multifunction Standard Meter
US$
8,000.00
-
22,000.00
1 Set
(MOQ)
TUNKIA TK3100 miniature Installed Single-Phase AC Reference Standard Energy Meter for Calibrating Energy Meters Test Bench
US$
1,000.00
-
25,000.00
1 Set
(MOQ)
TUNKIA TD3110 High Precision Single-Phase Multi-Function Reference Standard Meter for energy meter test bench
US$
1,000.00
-
35,000.00
1 Set
(MOQ)
Factory Price Single /Three Phase energy meter test on site portable energy meter testing equipment
US$
3,000.00
-
10,000.00
1 Set
(MOQ)
1/4
1
99
Hot Products
Electrical Meter
Gas Meter
Voltage Meter
Vibration Meter
Electronic Power Meter
Auto Meter
Weight Meter
Flow Meter
Related Manufacturers & Supplier
Three Phase Meter Factories
One Phase Meter Factories
Air Flow Meter Factories
Digital Frequency Meter Factories
Single Phase Electric Meter Manufacturers
Three Phase Electric Meter Manufacturers
Three Phase Electronic Meter Manufacturers
Multi Function Meter Manufacturers