PM880

Portable dew point meter

GENERAL

Measurement

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Measurement principle

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Overall calibration range capability of dew / frost point

–110°C to +60 °C

Calibration range options for dew / frost point

Standard: -80 °C to 20°C with data to

–110°C

Ultralow: –110 °C to –50 °C

Extended high: -80 °C to 60 °C with

data to –110 °C

Measuring range of temperature

–30 °C to +70 °C

Dew / frost point accuracy

±2 °C from -65 °C to +60 °C

±3 °C from –110 °C to –65 °C

Temperature accuracy

±0.5 °C at –30 °C

Dew / frost point repeatability

±0.5 °C from -65 °C to +60 °C

±1 °C from –110 °C to –65 °C

Channels

Single channel

Operational temperature

–10 °C to +50 °C

Operational pressure

5 μ of Hg to 345 bar limited by pressure sensor (see below)

Storage temperature

Not recommended to be stored at above 35 °C for more than one month

Memory

FLASH memory

Display

240 x 200 pixel, graphic backlit LCD display

Keypad

25-key, rubberized, tactile membrane

Language options

Dutch, English, French, German, Italian, Portuguese, Russian, Spanish

 

Display units

 

Moisture: DP temperature, ppmv, ppmw, %RH, lb/MMSCF, and others

Temperature: °F, °C, and °K

Pressure: psig, bar, kPa (gauge), kg/cm2 (gauge), and others

Menu capacity

over 100,000 moisture data points

Cable type

Probe dependent

Cable length

3 m (custom lengths available)

Optional pressure sensor

Measuring range

3 to 21 bar, 4 to 25 bar, 7 to 69 bar, 21 to 207 bar, 35 to 345 bar

Accuracy

±1 % at full scale

Proof pressure

Three times span of available range up to maximum 518 bar

Sample system

Wetted parts

316 SS

Operating pressure

Configurations available for 21, 35, 69, 207, or 345 bar, dependent on pressure gauge

Maximum pressure rating

Standard: 207 bar

Optional: 345 bar

Inlet pressure regulator

Optional - 1 to 345 bar outlet

Armored flowmeter

Optional - 1.3 to 13 SCFH

Steel hose

Optional - 3 m, flexible, polytetrafluoroethylene-lined, braided–stainless steel hose with 1/4 " tube connections. Not recommended for dew point

temperatures below –75 °C.

Certification

European compliance

Complies with EMC Directive 89/336/EEC,

ATEX Directive 94/9/EC

Intrinsic-safety certification

Baseefa (2001) Ltd.

 

ATEX, and CSA C US Class I, Division 1,

Groups A,B,C&D, Type 6

Shipping

Shipping weight

Electronics: 1.13 kg

Sample System: 1.8 kg

MECHANICAL

Overall dimensions

238 x 138 x 38 mm

Enclosure

Type 4X, IP67

ELECTRICAL

Power

Rechargeable battery,

Charger - Switchable input: 115 or 230 VAC, 50/60 Hz

Battery life

15 to 24 hours (probe dependent), reduced when working at below 0 °C

Outputs

Printer / terminal output

Infrared communication port

All specifications subject to change

 

DATASHEET:

PM880 datasheet

 

CALCULATORS AND CONVERSION CHARTS:

Dew Point calculator

 

Dew Point Tables

 

WHITE PAPERS AND PUBLISHED ARTICLES:

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APPLICATION NOTES:

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TECHNICAL BULLETINS:

Explanation of Dew Point

Explanation of Relative Humidity

 

 

DRAWINGS:

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OPERATIONS MANUAL:

PM880 User's Manual

PM880 AC User's Manual