Stainless Steel Circular Chart Recorder CR900 pages

Data sheet
Date
Page

CR90
07/2014
1 of 2

STAINLESS STEEL CIRCULAR CHART RECORDERS
CR90
TECHNICAL CHARACTERISTICS
Case size: 250mm
Accuracy: +1% F.S / class 1
Case and cover: stainless steel AISI304
Window: plexiglass
Window gasket: nitrile rubber NBR
Recording pen: continuous writing with an easy
replaceable cartridge.
Clockwork: quartz with 1.5 V battery (charge lasts 1
year). Rotation 24 hours.
Movement: Nylon with glass; penholder rod in stainless
steel.
Chart: Ø 200mm, useful recording width 76mm
Equipment: 50 charts and pen replacement.
Weight: 4kg
Ambient temperature: -15 to 60 ºC
Relative humidity: 90% max.
Degree of protection: IP 55 according to EN 60529
Over temperature: 20% F.S.V
Operating pressure: Constant: 75% F.S.V.,
Changeable: 60% F.S.V
Operating temperature: Process fluid -40/180ºC
(-10/80 ºC up to 400 mbar)
Overpressure: up to 60 bar 25% F.S.V. Over 15%
F.S.V
Thermal Drift: max + 0.3% of span every 10ºC of
deviation from reference temperature of 20ºC (+ 0.5%
up to 400 mbar)
Temperature Features
Sensitive element: inert gas system
Bulb: in stainless steel AISI316 Ø 12mm
Cylindrical with rigid extension, length upon request
Cylindrical with flexible extension
Capillary: AISI316 stainless steel, 2 meter length
These gauges can measure and draw on a circular
chart the trend in time of pressure and temperature.
MODELS
CR90- RP: Recorder of one pressure
CR90- RPP: Recorder of two pressures
CR90- RPT: Recorder of pressure and temperature
CR90- RTT: Recorder of two temperatures
CR90- RT: Recorder of one temperature
MOUNTING

Pressure Features
Pressure connection: AISI316 thread G1/2” A UNI ISO
228/1
Elastic element:
•
From 40 to 400 mbar Phosphorous bronze
bellow only for gaseous fluids.
•
From 0.6 to 600 bar AISI 316L seamless tube
OPTIONS AND ACCESSORIES
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Special scale
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Mechanical clockwork with special rotation
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Special process connection
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Type 1, bottom connection, surface mounting
Type 2, back connection, surface mounting
Type 3, transportable

•

Temperature Feature Options
Bulb: Ø 8mm (length of sensitive part 100mm)
Ø 6mm (length of sensitive part 100mm)
Spiral Bulb: (external Ø18mm – length of
sensitive part 150mm)
Extension of capillary length
Capillary coating with flexible sheath in
AISI304
Process connection: Sliding male thread G
¾” G1” and ½”-¾”-1” NPT
Sliding female thread G½” – G ¾”

_______________________________________________________________________________________________
PCI (Process System Solutions) Ltd, Unit 7 Slaidburn Crescent, Southport, Merseyside, PR9 9YF, UK,
Tel: +44 (0) 1704 509090, Fax: +44 (0) 1704 509091,
email: sales@pci-instruments.com, Website: www.pci-instruments.com
(Specifications are subject to change without notice)