Omega Vehicle Security CN3271 Series User Manual

Page 24

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GENERAL SPECIFICATIONS

GENERAL SPECIFICATIONS
Case

Case

Case: Polycarbonate grey case
Self extinguishing degree

Self extinguishing degree

Self extinguishing degree: V-0 according to UL94.
Front protection

Front protection

Front protection - designed and tested for IP 65 (*)
and NEMA 4X (*) for indoor locations (when panel
gasket is installed).
(*) Test were performed in accordance with IEC
529, CEI 70-1 and NEMA 250-1991 STD.
Installation

Installation

Installation: panel mounting.
Rear terminal board

Rear terminal board

Rear terminal board: 15 screw terminals (screw
M3, for cables from

0.25 to

2.5 mm

or from

AWG 22 to AWG 14 ), connection diagram and
safety rear cover.
Dimensions

Dimensions

Dimensions: 48 x 48 mm (according to DIN
43700); depth
- 122 mm for models with RS-485.
- 105 mm for models without RS-485
Weight

Weight

Weight: 250 g. max. (8.75 oz.).
Power supply

Power supply

Power supply : (switching mode) from 100 to
240 V AC. 50/60 Hz (+10 % to -15 % of the
nominal value) or
24 V DC/AC (+10 % of the nominal value).
Power consumption

Power consumption

Power consumption: 8 VA.
Insulation resistance

Insulation resistance

Insulation resistance: > 100 M

Ω

according to

IEC 1010-1.
Isolation voltage

Isolation voltage

Isolation voltage: 1500 V r.m.s. according to
IEC 1010-1.
Common mode rejection ratio

Common mode rejection ratio

Common mode rejection ratio:
120 dB @ 50/60 Hz.
Normal mode rejection ratio

Normal mode rejection ratio

Normal mode rejection ratio: 60 dB @ 50/60 Hz.
Electromagnetic compatibility and safety

Electromagnetic compatibility and safety

Electromagnetic compatibility and safety
requirements

requirements

requirements: This instrument is marked CE.
Therefore, it is conforming to council directives
89/336/EEC (reference harmonized standard
EN 50081-2 and EN 50082-2) and to council
directives 73/23/EEC and 93/68/EEC (reference
harmonized standard EN 61010-1).
Installation category

Installation category

Installation category: II

D/A conversion

D/A conversion: dual slope integration.
Sampling time

Sampling time

Sampling time :
- for linear inputs = 250 ms.
- for TC or RTD inputs = 500 ms.
Display updating time

Display updating time

Display updating time: 500 ms.
Resolution

Resolution

Resolution: 30000 counts.
Temperature Drift

Temperature Drift

Temperature Drift (CJ excluded)
- Less than 200 ppm/°C of full span for mV and

TC ranges 0, 1, 3, 4, 8, 13, 23, 24, 26, 27, 31,
36 (CJ excluded).

- Less than 300 ppm/°C of full span for mA, V and

TC ranges 10, 11, 12, 33, 34, 35 (CJ excluded)

- Less than 400 ppm/°C of full span for RTD and

TC range 9, 32 (CJ excluded).

- Less than 500 ppm/°C of full span for TC ranges

2, 5, 6, 25, 28, 29 (CJ excluded).

- Less than 600 ppm/°C of full span for TC ranges

7, 30.
NOTE: Precision and drift guaranteed (for
T>300°C/570°F).

Accuracy

Accuracy: + 0.2% f.s.v. @ 25 °C (77 °F) and
nominal power supply voltage.
Operative temperature

Operative temperature

Operative temperature: from 0 to +50 °C (32 to
122 °F).
Storage temperature

Storage temperature

Storage temperature: from -20 to +70 °C (-4 to
158 °F).
Humidity

Humidity

Humidity: from 20% to 85 % RH not condensing.

LHL-1-NEUTRO.pmd

19/04/2004, 15.07

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