Flow instrument type

Flow instrument type, Total:185 items.

The international standard classification for "Flow instrument type" includes: Transfusion, infusion and injection equipment , Laboratory medicine , Radiographic equipment , Geology. Meteorology. Hydrology , Industrial process measurement and control , Measurement of fluid flow , Metrology and measurement. Physical phenomena (Vocabularies) , Electricity. Magnetism. Electrical and magnetic measurements , Hydraulic energy engineering , Installations in buildings , Seismic and vibration protection , Character sets and information coding .

The Chinese standard classification for "Flow instrument type" includes: Material and component for instrument and meter , Extensive magnitude and exchanger , Medical laboratory equipment , Medical electronic equipment , Oceanographic instrumentation , Codification , Monitoring instrument , Hydrology and water conservancy instrument , Electronic measurement and equipment in general , Electromagnetic Measurement , Water power engineering , Heat supply instrument and equipment , Agricultural products and feed processing machinery , Engineering seismic resistance , Computer application , Operating equipment, instrument and meter .

Professional Standard - Machinery

JB/T 14223-2021 Non-destructive testing instruments一Rechargeable AC yoke flaw detector
JB/T 5472-2022 Instrument current transformers
JB/T 13939-2020 Nondestructive testing instruments - Eddy current thickness gauge
JB/T 5472-1991 Current Transformer for Instruments
JB/T 7494-1994 Classification of Instrumentation Material Product

Professional Standard - Medicine

YY 91143-1999 Bridge type impedance blood flow recorder
YY/T 1078-2008 Direct impedance blood flow recorder
YY/T 1967-2025 Streaming Dot Matrix Instrument
YY/T 0588-2005 Flow cytometer
YY/T 0588-2017 Flow cytometer
YY 91078-1999 Direct impedance blood flow recorder
YY/T 1143-2008 Bridge type impedance blood flow recorder

Professional Standard - Ocean

HY/T 042-1996 The methods of classification and nomenclature for oceanographic instrumentation
HY/T 042-2015 Classification,codes and model denomination for marine instrument and equipment
HY/T 157-2013 Portable flowmeter

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 11826-2002 Rotating current meter
GB/T 11827-1989 Cup-type current meter
GB/T 11826.2-2012 Current meter and flow meter—Part 2:Ultrasonic current meter
GB/T 9230-1995 Direct-reading electroscope-typeradiation dosimetric meters Part 2: Chargers
GB/T 11826-2019 Rotating-element current-meters
GB/T 40214-2021 Document kinds for electrical and instrumentation projects in the process industry
GB/T 2900.79-2008 Electrotechnical terminology - Electrical and electronic measurements and measuring instruments - Part 3: Types of electrical measuring instruments

National Metrological Verification Regulations of the People's Republic of China

JJG 031-2020 Propeller Velocimeter
JJG 505-2004 Verification Regulation of D.C.Comparator potentiometers
JJG(水利) 001-2009 Rotating Element Current Meter
JJG(交通) 031-2004 Water Transport Engineering-Propeller-Type Current Metter

National Metrological Technical Specifications of the People's Republic of China

JJF(纺织) 02-1985 Calibration method of Y145 air-flow fiber fineness tester
JJF 1314-2011 Program of pattern evaluation for gas laminar flow transducers
JJF 1665-2017 Calibration Specification for Flow Cytometers
JJF(纺织) 002-2006 Calibration specification for Y145 airflow fiber fineness tester
JJF 1999-2022 Calibration Specification for Rotating Element Current Meters

Professional Standard - Energy and Power Planning

DL/T 1104-2009 Potentiometric Readout
DL/T 1133-2009 Vibrating wire sensor readout box
DL/T 1133-2023 Steel string instrument measuring instrument
DL/T 1334-2014 Measuring Instrument for Piezoresistive Apparatus
DL/T 1104-2024 Potentiometer type instrument measuring instrument
DL/T 1394-2014 Technical Requirement of Electronic Current and Voltage Transformer Error Test Sets

Taiwan Provincial Standard of the People's Republic of China

CNS 7547-1981 Flow Type Air Gages

Group Standards of the People's Republic of China

T/ZPP 017-2023 Mass Cytometry Analyzer
T/CEEIA 393-2019 Intelligent conventional AC circuit-breaker

Professional Standard - Commodity Inspection

SN/T 1843.2-2006 Rules for the inspection of instruments for import and export - Part 2: Alternating current static watt - Hour meters

Professional Standard - Electricity

DL/T 1394-2014(英文版) Technical requirements for electronic current and voltage transformer testers

Professional Standard - Urban Construction

CJ/T 163-2015 The storage type heat exchanger of guide flow type and half storage type heat exchanger
CJ/T 163-2002 The storage type heat exchanger of guide flow type and half storage type heat exchanger(construction of U-pipe column)

Professional Standard - Supply and Marketing Cooperative

GH/T 1010-1998 Carriageable micronaire for cotton fibres

Professional Standard - Earthquake

DB/T 32.1-2008 Technical requirements of instruments in network for earthquake monitoring.Underground fluid observation instruments. Part 1: Pressure instrument for water level
DB/T 32.1-2020 Technical requirements of instruments in network for earthquake monitoringUnderground fluid observation instrumentsPart 1:Pressure instrument for water level

Professional Standard - Aerospace

QJ 1348-1988 Classification and Code for Instruments

Professional Standard - Traffic

JT/T 570-2004 Water transport engineering - Propeller-type current meter

Defense Logistics Agency

DLA MIL-PRF-23419/8 J-2012 FUSE, CARTRIDGE, INSTRUMENT TYPE, STYLE FM08, (SUBMINIATURE - HIGH PERFORMANCE)
DLA MIL-PRF-23419/7 J-2012 FUSES, CARTRIDGE, INSTRUMENT TYPE, STYLE FM07, (SUBMINIATURE - HIGH PERFORMANCE)
DLA MIL-PRF-23419/2 R-2012 FUSES, CARTRIDGE, INSTRUMENT TYPE, STYLE FM02 (INDICATING)
DLA A-A-55524 A-2012 SHUNT, INSTRUMENT (EXTERNAL, 50 MILLIVOLT, LIGHTWEIGHT TYPE)
DLA MIL-PRF-23419/12 E-2012 FUSES, INSTRUMENT TYPE, STYLE FM12 (SUBMINIATURE - HIGH PERFORMANCE)
DLA A-A-59688/2 C-2009 FUSE, CARTRIDGE, INSTRUMENT TYPE, 5 MM X 20 MM, QUICK-ACTING, LOW-BREAKING CAPACITY
DLA A-A-59688/3 C-2009 FUSE, CARTRIDGE, INSTRUMENT TYPE, 5 MM X 20 MM, TIME-DELAY, LOW-BREAKING CAPACITY
DLA A-A-59688/1 C-2009 FUSE, CARTRIDGE, INSTRUMENT TYPE, 5 MM X 20 MM, QUICK-ACTING, HIGH-BREAKING CAPACITY
DLA MIL-PRF-23419/9 D-2012 FUSE CARTRIDGE, INSTRUMENT TYPE, STYLE FM09, (NONINDICATING)
DLA MIL-PRF-23419/10 C-2012 FUSES, CARTRIDGE, INSTRUMENT TYPE, STYLE FM10, (NONINDICATING)
DLA MIL-PRF-23419 H-2013 FUSE, CARTRIDGE, INSTRUMENT TYPE, GENERAL SPECIFICATION FOR
DLA QPL-23419-QPD-2010 Fuse, Cartridge, Instrument Type, General Specification for
DLA QPL-23419-2011 Fuse, Cartridge, Instrument Type, General Specification for
DLA A-A-55524/2 B-2012 SHUNT, INSTRUMENT (EXTERNAL, 50 MILLIVOLT, 170 THROUGH 600 AMPERES (A) LIGHTWEIGHT TYPE)
DLA A-A-55524/3 B-2012 SHUNT, INSTRUMENT (EXTERNAL, 50 MILLIVOLT, 800 THROUGH 1200 AMPERES (A) LIGHTWEIGHT TYPE)
DLA MIL-PRF-10304/12 F (2)-2013 METERS, ELECTRICAL INDICATING, PANEL TYPE, RUGGEDIZED: AMMETER, DC (FLUSH MOUNTING, ROUND FLANGE, 3.5 INCH), STYLE 36
DLA A-A-55524/1 B-2012 SHUNT, INSTRUMENT (EXTERNAL, 50 MILLIVOLT, 10 THROUGH 150 AMPERES (A) LIGHTWEIGHT TYPE)

Portuguese Institute of Quality

NP 2837/1-1984 Electricity instruments. Direct connection type 2 AC power meter. part 1
NP 2837/2-1984 Electricity instruments. Direct connection type 2 AC power meter. part 2
NP 2982-1985 Electricity instruments. Class 0.5, 1 and 2 AC power instruments
NP 999-1974 Electrical installation instruments. Type of protective cover provided

Bureau of Indian Standards

IS 5022-1989 Sterilizers, instruments, benchtop models
IS 6905-1973 Instrument Meter Specifications Mayo Type
IS 17158-2019 Guide for Type of Measurement, Choice of Location and Type of Instruments for Underground Power House
IS 14778-2000 Portable Methanometer (Interferometer Type)
IS 6008-1989 Arc Welding Power Sources Single Operator Rectifier Types AC and DC—Specifications
IS 5516-1996 Specification variable flow type air-permeability apparatus (Blaine type)
IS 5536-1969 Specifications for Constant Flow Breather Meters (LEA and NURSE Types)

Czech Standards Institute (UNMZ)

CSN ISO 5436:1994 Calibration specimens.Stylus instruments.Types,calibration and use of specimens
CSN 35 1301 ZZ1-2000 Instrument current transformer

Standard Association of Australia （SAA）

INT 104-1945 Interim Specification for Copper-Oxide Rectifiers, Instrument Type
AS 1844:1983 Portable fire extinguishers foam (gas container) type

Military Standards (MIL-STD)

DOD A-A-53577-1988 ELECTROSURGICAL APPARATUS (PORTABLE, UNBLENDED CURRENT)
MIL MIL-C-24095B-1979 CHARGER, BATTERY, AUTOMATIC, PORTABLE, RECTIFIER TYPE (SUPERSEDING MIL-C-24095A)
MIL MIL-PRF-10304/25D-1999 METERS, ELECTRICAL INDICATING, PANEL TYPE, RUGGEDIZED: RECTIFIER-TYPE VOLTMETER, AC (FLUSH MOUNTING, ROUND FLANGE, 2¿ INCH), STYLE 26 (SUPERSEDING MIL-M-10304/25C)
MIL MIL-PRF-23419/9D-2012 Fuse Cartridge, Instrument Type, Style FM09, (Nonindicating)
MIL MIL-PRF-23419/2R-2012 Fuses, Cartridge, Instrument Type, Style FM02 (Indicating)
MIL MIL-PRF-23419/12E-2012 Fuses, Instrument Type, Style FM12 (Subminiature - High Performance)
MIL MIL-PRF-10304/8C-2008 Meters, Electrical Indicating, Ammeters, RF, Panel Type, Ruggedized: (Flush Mounting, Round Flange, 2.5 Inch) Style 26 and 28
MIL MIL-PRF-23419/13-2014 Fuses, Instrument Type, Style FM13 (Subminiature-High Performance)
MIL MIL-PRF-23419/12F-2018 Fuses, Instrument Type, Style FM12 (Subminiature - High Performance)
MIL MIL-M-10304/26D-1975 METERS, ELECTRICAL INDICATING, PANEL TYPE, RUGGEDIZED, RECTIFIER TYPE VOLTMETER, AC (FLUSH MOUNTING, ROUND FLANGE, 3 1/2 INCH), STYLES 34 & 36 (SUPERSEDING MIL-M-10304/26C) (S/S BY MIL-PRF-10304/26E)
MIL MIL-I-8276B-1987 INDICATOR, RATE OF FLOW, FUEL, SYNCHRO STYLE, TYPE MA-2 (S/S BY MIL-I-8276C)
MIL MIL-PRF-10304/15D-2008 Meters, Electrical Indicating, Ammeter, RF, Panel Type, Ruggedized: (Flush Mounting, Round Flange, 3.5 Inch) Styles 36 and 38
MIL MIL-PRF-23419/4H-2012 Fuse, Cartridge, Instrument Type, Style FM04 (Nonindicating)
MIL MIL-PRF-23419/10C-2012 Fuses, Cartridge, Instrument Type, Style FMI0 (Nonindicating)
MIL MIL-PRF-10304/26E-1999 METERS, ELECTRICAL INDICATING, PANEL TYPE, RUGGEDIZED: RECTIFIER-TYPE VOLTMETER, AC (FLUSH MOUNTING, ROUND FLANGE, 3 1/2 INCH), STYLES 34 AND 36 (SUPERSEDING MIL-M-10304/26D)
MIL MIL-PRF-23419/7J-2012 Fuses, Cartridge, Instrument Type, Style FM07, Subminiature - High Performance
MIL MIL-PRF-23419H-2013 Fuse: Cartridge, Instrument Type, General Specification for
MIL MIL-PRF-23419G-2005 FUSE, CARTRIDGE, INSTRUMENT TYPE, GENERAL SPECIFICATION FOR
MIL MIL-PRF-10304/18B-2008 Meters, Multiscale, DC, Panel Type, Ruggedized (Round Flange, 3.5 Inch), Style 36)
MIL MIL-PRF-7115/2B-2012 Converter, Aircraft, AC to DC, 200 Ampere, Type II, Class A
MIL MIL-M-10304/7D-1975 METERS, ELECTRICAL INDICATING, PANEL TYPE, RUGGEDIZED, AMMETER, AC (FLUSH MOUNTING, ROUND FLANGE, 2 1/2 INCH) STYLE 26 (SUPERSEDING MIL-M-10304/7C) (S/S BY MIL-PRF-10304/7E)
MIL MIL-PRF-10304/24G-1999 METERS, ELECTRICAL INDICATING, PANEL TYPE, RUGGEDIZED: AMMETER, DC, (SQUARE FLANGE, 1¿ INCH), STYLE 13 (SUPERSEDING MIL-M-10304/24F)
MIL MIL-I-81186-1966 INDICATOR, RATE OF FUEL FLOW SYNCHRO TYPE, M590360
MIL MIL-PRF-19500/446C-2002 SEMICONDUCTOR DEVICE, SILICON, HIGH-POWER, SINGLE PHASE, FULL WAVE BRIDGE RECTIFIER, JAN - JANTXV TYPES SPA25 SPB25 SPC25 SPD25
MIL MIL-PRF-10304/4D-1999 METERS, ELECTRICAL INDICATING, PANEL TYPE, RUGGEDIZED: VOLTMETER, DC (FLUSH MOUNTING, ROUND FLANGE, 2 1/2 INCH) STYLE 26 (SUPERSEDING MIL-M-10304/4C)
MIL MIL-PRF-10304/19E-2008 Meters, Electrical Indicating, Panel Type, Ruggedized: Special Decibel, (Flush Mounting, Square Flange, 1.5 Inch, Style 13)
MIL MIL-PRF-19500/446D-2007 Semiconductor Device, Silicon, High-Power, Single Phase, Full Wave Bridge Rectifier, Types SPA25, SPB25, SPC25, SPD25 JAN, JANTX, and JANTXV

German Institute for Standardization

DIN 96115 E:2010-05 Draft Document - Medical instruments - Gauges type Lexer
DIN 58783:1982-09 Medical instruments; ear curette type Buck
DIN 42600-5:1977 Instrument transformers for 50 Hz, HSV 0,6 to 52 kV; current transformers (support-type-insulator) HSV 12 to 36 kV, large design, main dimensions, indoor type
DIN 42600-4:1977 Instrument transformers for 50 Hz, HSV 0,6 to 52 kV; currenttransformers (support-typ-insulator), HSV 12 kV, small design, main dimensions, indoor type
DIN 42600-8:1983 Instrument transformers for 50 Hz, U<(Index)m> 0,6 to 52 kV; current transformers (support-type-insulators) U<(Index)m> 12 and 24 kV; narrow design, main dimensions, indoor type
DIN 96112 E:2010-05 Draft Document - Medical instruments - Gauges type Killian-Claus, bayonet-shaped
DIN 42600-5:1977-09 Instrument transformers for 50 Hz, HSV 0.6 to 52 kV; current transformers (support-type-insulator) HSV 12 to 36 kV, large design, main dimensions, indoor type
DIN 42600-4:2013 Instrument transformers for 50 Hz, U<(Index)m> 0,72 kV to 52 kV - Part 4: Current Transformers (support-type-insulator) U<(Index)m> = 12 kV - Small design, main dimensions, indoor type
DIN 28000-3:2009 Chemical apparatus - Documentation in the life cycle of process plants - Part 3: Flow diagrams and plant identification codes
DIN 42600-4 E:2008-06 Instrument transformers for 50 Hz, U<(Index)m> 0,72 kV to 52 kV - Part 4: Current Transformers (support-type-insulator) U<(Index)m> = 12 kV - Small design, main dimensions, indoor type

Comitato Elettrotecnico Italiano

CEI EN 60044-8:2004 Instrument transformers - Part 8: Electronic current trasformers

Belgian Standards Institute

NBN C 71-262-1979 Lighting appliances and similar instruments, high-pressure mercury vapor lamp ballasts
NBN C 71-262-1980 Lighting appliances and similar instruments, high-pressure mercury vapor lamp ballasts
NBN C 71-262-1981 Lighting appliances and similar instruments, high-pressure mercury vapor lamp ballasts
NBN C 73-335-61-1992 Safety of household appliances and similar instruments, special regulations on storage type heaters
NBN C 71-458-1985 Lighting appliances and similar apparatus, transistorized ballasts for fluorescent tube lamps
NBN C 71-458-1979 Lighting appliances and similar apparatus, transistorized ballasts for fluorescent lamps
NBN C 73-335-32-1985 Household appliances, similar instruments and accessories, safety of household appliances and similar instruments, special regulations on massage instruments
NBN C 73-335-1 ADD 3-1990 Safety of household appliances and similar instruments
NBN C 73-335-42-1990 Safety of household appliances and similar instruments
NBN C 73-335-37-1990 Safety of household appliances and similar instruments
NBN C 73-335-39-1990 Safety of household appliances and similar instruments
NBN C 73-335-20-1990 Safety of household appliances and similar instruments
NBN C 73-335-41-1990 Safety of household appliances and similar instruments

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO IEC 60050-300-313:2024 International Electrotechnical Vocabulary – Electrical and Electronic Measurements and Measuring Instruments – Part 313: Types of Electricity Measuring Instruments
BH GSO ISO 3764:2024 Timekeeping instruments – Movements – Types, dimensions and nomenclature
BH GSO OIML R 129-4:2023 Multi-dimensional measuring instruments Part 4: Type evaluation report format

Association Francaise de Normalisation

NF C42-153:1949 0.05 V shunts for electrical measuring instruments. (class 0,5 and 1).
NF C42-151:1949 0.1 volt shunts for electrical measuring instruments. (classes 0.5 and 1).
NF C42-152:1949 0.3 volt shunts for electrical measuring instruments. (classes 0.5 and 1).
NF C42-502:1974 Measuring instrumetns. Current transformers. Characteristics.

Gosstandart of Russia

GOST R IEC 60044-8-2010 Instrument transformers. Part 8. Electronic current transformers
GOST 13.1.502-1974 Reprography. Micrography. Microfilm printers. Types
GOST 15031-1969 Contact instruments KPU-3. Methods and means of verification
GOST IEC 62423-2013 Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses
GOST 14213-1989 Logging cable tips, sonde heads and logging tools heads. Types, main parameters, dimensions and technical requirements

American Water Works Association (AWWA)

AWWA C713-2019 Cold-Water Meters - Fluidic-Oscillator Type
AWWA C713-2005 Cold-Water Meters: Fluidic-Oscillator Type
ANSI/AWWA C713-2019 Cold-Water Meters— Fluidic-Oscillator Type
AWWA C713-2010 Cold-Water Meters - Fluidic-Oscillator Type
AWWA C713-2015 Cold-Water Meters - Fluidic-Oscillator Type

Society of Automotive Engineers (SAE)

SAE AS5372 Fuse, Current Limiter Type, Aircraft
SAE AS5372A-2015 Fuse, Current Limiter Type, Aircraft
SAE AS5372A-2023 Fuse, Current Limiter Type, Aircraft
SAE AS5372A Fuse, Current Limiter Type, Aircraft
ADS AS3222 Screen Filter Fuel Type 'A'
SAE AS401B-1961 POWERPLANT FIRE DETECTION INSTRUMENTS - THERMAL & FLAME CONTACT TYPES (RECIPROCATING ENGINE POWERED AIRCRAFT)

International Electrotechnical Commission (IEC)

IEC 60050-300-313:2001 Electrotechnical terminology-Electrical and electronic measurements and measuring instruments-Part 3:Types of electrical measuring instruments

Japanese Industrial Standards Committee (JISC)

JIS B 7535:1982 Flow type air gauges

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 3764:2007 Timekeeping instruments – Movements – Types, dimensions and nomenclature

United States Navy

NAVY QPL-AS5372 NOTICE 1-2012 Fuse, Current Limiter Type, Aircraft
NAVY QPL-16034-2013 Meters, Electrical-Indicating (Switchboard and Portable Types), General Specification for
NAVY QPL-16034-2012 Meters, Electrical-Indicating (Switchboard and Portable Types), General Specification for
NAVY QPL-5504-2013 Filters and Filter Elements, Fluid Pressure, Hydraulic Micronic Type
NAVY QPL-16034-QPD-2010 Meters, Electrical-Indicating (Switchboard and Portable Types), General Specification for
NAVY QPL-5504-2011 FILTERS AND FILTER ELEMENTS, FLUID PRESSURE, HYDRAULIC MICRONIC TYPE

Korean Agency for Technology and Standards (KATS)

KS B ISO 3764-2003(2008) Timekeeping instruments－Movements－Types, dimensions and nomenclature
KS B ISO 3764-2013 Timekeeping instruments－Movements－Types, dimensions and nomenclature

British Standards Institution (BSI)

BS ISO 3764:2016 Timekeeping instruments. Movements. Types, dimensions and nomenclature
BS 1428-E2:1954 Micro beakers micro chemical apparatus general accessory apparatus
12/30249003 DC BS ISO 3764. Timekeeping instruments. Movements. Types, dimensions and nomenclature

American National Standards Institute （ANSI)

ANSI/AWWA C713-2015 Cold-Water Meters - Fluidic-Oscillator Type

Türk Standardları Enstitüsü

TS 2237-1976 LIQUID FLOW MEASUREMENT ?N ?PEN CHANNELS— CUP — TYPE AND PROPELLER — TYPE CURRENT METERS

Polski Komitet Normalizacyjny (PKN)

PN E06105-02-1991 High-voltage alternating-current circuit-breakers. Type tests

GCC Standardization Organization

GSO OIML R 129-4:2022 Multi-dimensional measuring instruments Part 4: Type evaluation report format

U.S. Air Force

AIR FORCE A-A-59928-2013 METER, FUEL FLOW, PORTABLE
AIR FORCE A-A-59928 A-2013 METER, FUEL FLOW, PORTABLE

Canadian Standards Association (CSA)

CAN/CSA-B64.4-1994 Backflow Preventers, Reduced Pressure Principle Type (RP)

Association for Electrical, Electronic & Information Technologies (VDE)

VDE 0664-40 1 E*DIN EN 62423 1:2008-06 Type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses (Type B RCCBs and Type B RCBOs)
VDE 0641-100-2004 Circuit-breakers for overcurrent protection for household and similar installations - Part 100: Circuit-breakers screw-in in D-type fuse-bases DII for a.c. and d. c. operation

Swedish Institute for Standards

SS-EN 14506:2005 Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C
SIS SS 64 12 20-1984 Surveying instruments - Theodolites — Classification

Yugoslav Association for Standardization

JUS N.E5.506-1989 High voltage fuses. Fuse-links for curent-1imitirig fuses. Types and dimensions

Institute of Electrical and Electronics Engineers (IEEE)

IEEE PN42.61/D2, April 2025 IEEE Draft Standard for Data Format for Real-Time Streaming from Radiation Detection Instruments
IEEE Std N42.61-2025 IEEE Standard Data Format for Real-Time Streaming from Radiation Detection Instruments

Magyar Szabványügyi Testület

MSZ KGST 410-1977 Main aspects of runoff meter models

Ente Nazionale Italiano di Unificazione

UNI 7822-1978 Glass containers. Mouth, cetie type.