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گیج فشار دیجیتال کلر LEX1

GENERAL INFORMATION
Series / Product

Series

Brand

KELLER

Origin

Switzerland

Series

KELLER – LEX1

Ordering Code

N/A

MEASURING RANGES
Reference Pressure

Absolute, Differential, Gauge

Pressure Unit

[bar], [mbar], [hPa], [kPa], [MPa], [PSI], [mH2O], [cmH2O], [inH2O], [ftH2O], [mmHg], [inHg], [kp/cm2]

Pressure Range

-1 … 1 to -1 … 30 bar, 0 … 30 mbar to 0 … 1000 bar

Pressure Range [bar] [Min]

-1

Pressure Range [bar] [Max]

10000

Pressure Range [psi] [Min]

-14.5

Pressure Range [psi] [Max]

14503.8

Static Pressure [bar] [Max]

N/A

Overpressure [bar] [Max]

N/A

Positive Overpressure [bar]

N/A

Negative Overpressure [bar]

N/A

Burst Pressure [bar] [Min]

N/A

ENVIROMENTAL CONDITIONS
Media Temperature [°C] [Min]

0

Media Temperature [°C] [Max]

+50

Ambient Temperature [°C] [Min]

-20

Ambient Temperature [°C] [Max]

+50

Storage Temperature [°C] [Min]

-20

Storage Temperature [°C] [Max]

+70

Compensated Temperature [°C] [Min]

N/A

Compensated Temperature [°C] [Max]

N/A

Ingress Protection

IP65

Vibration Resistance

N/A

Shock Resistance

N/A

GENERAL MECHANICAL SPECIFICATIONS
Mounting

Threaded – Flush Diaphragm, Threaded – Internal Diaphragm

Process Connection Male/Female

Male

Process Connection

1/2" NPT, 1/4" NPT, 7/16"-20 UNF, G 1/2", G 1/4", G 3/4"

With Damper (Puls-snubber)

N/A

Process Connection Material

Stainless steel (316L)

Diaphragm / Sensor Material

Aluminium oxide 96 %, gold-plated, Stainless steel (316L)

Filling Fluid

Silicone oil, Without

Seal

FKM, Viton®

Hygienic Version

NO

Electrical Connection

Fischer

Electrical Connection Details

Fischer D 103 A054-130

Display

YES

Display Details

■ 2 rows with 5 digits each ■ 2 measurements per second

Weight

■ Piezoresistive: Approx. 300 g ■ Capacitive: Approx. 335 g

PRESSURE GAUGE SPECIAL FEATURES
Product Type

Digital Pressure Gauge

Pressure Gauge Technology

Capacitive, Piezoresistive

Pressure Gauge Technology Details

Insulated piezoresistive pressure sensor encapsulated in an oil-filled metal housing

Pressure Gauge Design

N/A

Varieties

Absolute, Data Logger, Differential, Explosion Proof (EX), High Accuracy, Vacuum / Compound

PRESSURE GAUGE PERFORMANCE
Accuracy Class / Grade

≤ ± 0.05 %FS, ≤ ± 0.1 %FS

Accuracy Details

@ RT (20 … 25 °C): ■ Piezoresistive: ≤ ± 0.05 %FS ■ Capacitive: ≤ ± 0.1 %FS

Adjustability Details

■ Adjustable measuring and storage interval ■ Zero point calibration via button ■ Digital calibration (zero point, end point)

Adjustable

YES

Data Logger

YES

Data Logging Details

Without in-built logger, the PC software will allow you to log directly to the computer via a USB cable and save the data to the hard drive

Measuring Rate

■ 2 measurements per second ■ Interface measuring rate: 30 measurements per second

Resolution

Refer to related table in the datasheet

Storage / Memory Details

There is no memory storage within the LEX1 itself

PRESSURE GAUGE ELECTRICAL SPECIFICATIONS
Supply Voltage

■ Battery: 3 V, type CR2430 ■ External power supply: 8 … 28 VDC

Output Signal

RS-485

Output Signal Details

N/A

Switching Functions

Without

Switching Functions Details

N/A

Electrical Switch Ratings Details

N/A

Communication

RS485 bus interface for communication with up to 128 devices

TESTS / APPROVALS
Scope Approvals

ATEX / Europe, CE / European Community, IECEx / Worldwide

Ship Approvals

N/A

Explosion Protection

Intrinsic Safety "i"

EX Zone

Zone 1, Zone 2

Other Approvals

N/A

SIL Qualification

N/A

INDUSTRIES / APPLICATIONS
Industry

Mechanical engineering & Automation

Application

Calibration technology, Test and measurement