User manual VAISALA HMT360N BROCHURE

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Manual abstract: user guide VAISALA HMT360NBROCHURE

Detailed instructions for use are in the User's Guide.

 [. . . ] +358 9 894 91 Fax: +358 9 8949 2485 Email: industrialsales@vaisala. com www. vaisala. com/HMT360N

HMT360 Series Dewpoint and Temperature Transmitters for Natural Gas Moisture
Features/Benefits

· · · · · · · · ·
The HMT362,  HMT364 and HMT368 are innovative and reliable instruments for measuring moisture in natural gas. 

Vaisala HUMICAP® Sensor features high accuracy,  excellent long-term stability,  and negligible hysteresis Excellent performance in harsh conditions; tolerates glycol and water spikes Measures dewpoint of water,  also outputs lb/MMscf,  ppmv and T Safe operation with the entire transmitter in hazardous areas: Division 1 and 2 (USA,  Canada),  Category 1 / Zone 0 (EU) One-year maintenance interval saves lifetime costs Interchangeable probes Direct pipeline installation possible Sampling cell option NIST traceable (certificate included)

The Vaisala HUMICAP® Dewpoint and Temperature Transmitter Series HMT360 is a reliable instrument for measuring moisture in natural gas. An accurate moisture measurement is critical for preventing pipeline failures and ensuring the quality of the gas. 

be sent to Vaisala.  [. . . ] 320 mg/Nm3 parts per million by volume 0 . . . 500 ppmv

Canada (CSA) Class I,  Division 1 and Division 2,  Groups A,  B,  C,  D; Class II,  Division 1 and Division 2,  Groups G and Coal Dust; Class III CSA File No: 213862 0 000,  CSA Report: 1300863 Safety factors: Tamb= 60 °C,  T4,  Intrinsically safe when connected as per Installation Drawing DRW213478. Russia (STV) Ex ia IIC T4 Certificate No. ROSS FI. GB04. V00634 Safety factors Ui = 28 V,  Ii = 100 mA,  Pi = 700 mW Ci = 1 nF,  Li = 0 H,  Tamb= -20 °C . . . +60 °C

Mechanics
Connections

Operating environment
Temperature range operating storage Pressure range -20 . . . 158 °F) see probe specifications

screw terminals,  0. 33 . . . 2. 0 mm2 wires (AWG 14-22) Cable bushing for 7. 5. . 12mm or 10. . 15mm cable diameters (M20x1, 5) Conduit fitting NPT 1/2" (M20) Housing material G-AlSi10Mg (DIN 1725) Housing classification IP66 (NEMA 4X) Housing weight 950 g

Complies with EMC standard EN61326-1,  Electrical equipment for measurement,  control and laboratory use EMC requirements; Industrial environment. IEC 1000-4-5 complies only when using external EXi approved surge arrester on safe area. 

Options and accessories

Inputs and outputs

Operating voltage 12 . . . 28 VDC with serial port (service mode) 15 . . . 20 mA,  one standard,  one optional Typical accuracy of analog outputs at +20 °C ±0. 05% full scale Typical temperature dependence of analog outputs 0. 005% / °C (0. 005% / °F) full scale Analog outputs connection via safety barriers RS232C serial output for service use connector type RJ45 Display two-line LCD character size (1st line/2nd line) 12 mm/10 mm

Additional analog output 4 . . . 20 mA Ball valve ISO 1/2 with welding joint ( for HMP368) BALLVALVE-1 pressure range at +20 °C (+68 °F): 0 . . . 10 bar (145 psia) Serial interface cable for PC connectors RJ45 - D9 female 25905ZZ Sampling cell for HMP362 HMP302SC Rain shield 215109 Calibration adapter for HMK15 211302 Sintered stainless steel filter HM47280 Galvanic isolator (EU) 212483 Zener Barrier (USA & Canada) 210664

Classification with current outputs
Europe / CENELEC (PTB) EU (94/9/EC,  ATEX100a) Safety factors Environmental specifications Tamb Pamb EEx ia IIC T4 PTB 00 ATEX 2112 X Ui = 28 V,  Ii = 100 mA,  Pi = 0. 7 W Ci = 1 nF,  Li = 0 H -20 . . .  [. . . ] 13. 5 mm (0. 53'') Installation 17225 Fitting body ISO 1/2 solid structure DRW212076SP Fitting body NPT 1/2 solid structure NPTFITBODASP Ball valve ISO 1/2 with welding joint BALLVALVE-1 Pressure range Probe cable length Probe length Probe diameter
41 (1. 61) Ø13. 5 (0. 53)

Technical Data

R ½ ISO 7/1 or NPT½"

41 - 149/371 (1. 61 - 5. 87/14. 6)* 194/416 (7. 64/16. 4) 232/454 (9. 13/17. 9)

M22×1. 5 or NPT 1/2"

ø12. 5 (0. 49)

The HMP362 probe is designed for flange mounting and the sampling cell. The HMP362 has the highest pressure tolerance of the optional probes. 

58. 7 (2. 31)
45°
ø24

45°

1/8"-27 NPT

. 5

71 (2. 80)

14 (0. 55)

The HMP368 probe enables flexible installation in pressurized pipelines through the ball valve set. 

Length for standard / optional probes *freely user adjustable length

HMP368 probe

22

Vaisala Instruments Catalog 2009
Ref.  [. . . ]

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