Measurement range (air, O₂, CO, N₂)

5×10^-10 … 2x10^-2 mbar, continuous

Accuracy 1 × 10^-8 … 2 × 10^-2 mbar

±15% of reading

Repeatability

5% of reading, 10^-8 … 2 × 10^-2 mbar (after 10 min. stabilization)

Switching threshold

on

off

2.4×10^-2 mbar

3.2×10^-2 mbar

Emission current

Sliding mode (default)

p ≤ 8 × 10^-7mbar

p > 1 × 10^-3mbar

Two-Point-Mode

p ≤ 7.2 × 10^-6mbar

3.0 × 10^-5 mbar < p < 3.2 × 10^-2mbar

Emission current switching

25 µA -> 5 mA

5 mA ->25 µA

5 mA

25 µA

5 mA

25 µA

7.2×10^-6 mbar

3.0×10^-5 mbar

Degas

Emission current (p < 7.2 × 10^-6 mbar)

Control input signal

Duration

≈16 mA (P_degas ≈4 W)

0 V/+24 V (dc), active high

≤3 min, followed by automatic stop. A new degas cycle can only be started after a waiting time of 30 min

Output signal

Measuring range

Relationship voltage-pressure

Error signal

Minimum load impedance

0                … +10 V

+0.57 … +8.176 V (5×10^-10 … 2×10^-2 mbar)

1                V/decade, logarithmic

+0.1 V (EEPROM error)

+0.3 V (BA sensor error)

10 kΩ

Power supply

Supply voltage at the gauge

Ripple

Current consumption

Standard

Degas

Emission start (< 200 ms)

Power consumption

BAG552

BAG552 with EtherCAT

Fuse necessary

+24 V (dc) (+20 … +28 V (dc))

≤2 V_pp

≤0.5 A

≤0.9 A

≤1.4 A

≤18 W

≤21 W

1.25 AT

Sensor cable connection

Receptacle

Measuring cable

Cable length (supply voltage 24 V)

Analog and fieldbus operation

RS232C operation

Gauge identification

D-sub 15-pin, male

shielded, number of conductors depending on the functions used,

max.15-pin plus shielding

≤35 m (0.25 mm² / conductor)

 ≤50 m (0.34 mm² / conductor)

≤100 m (1.0 mm² / conductor)

≤30 m

42 kΩ resistor between pin 10 and pin 5

Switching functions Setpoints

Adjustment range

Relay contact rating

SP1, SP2

5×10^-10 … 2x10^-2 mbar

≤60 V (dc) / 0.5 A (dc), resistive

Admissible temperature

Storage

Operation

Bakeout

–2 … +70 °C

0 ... +50 °C

+150 °C (at vacuum connection, without electronics unit and calibration print, horizontally mounted)

Relative humidity

≤65% / 85% (no condensation)year's mean / during 60 days

Interface (digital)

Diagnostic port connection, RS232C, Jack connector. 2.5 m, 3-pin

Materials exposed to vacuum

stainless steel, NiFe, nickel plated, Hastelloy, glass, iridium, yttrium oxide (Y₂O₃),

Internal volume

DN 25 ISO-KF 

≈24 cm³

DN 40 CF-R    

≈34 cm³

Weight

550 ... 760g

Pressure max.

5 bar (absolute)

Mounting orientation

any

Degree of pollution

2

Degree of protection

IP40

SPECIFICATIONS INTERFACES

RS232C

Data rate

9600 Baud

Data format

binary, 8 data bits, one stop bit, no parity bit, no handshake

EtherCAT^®

Protocol

EtherCAT^®

Communication standards

Semiconductor Device Profile

ETG.5003 Part 1 Common Device Profile

ETG.5003 Part 2080 “Specific Device Profile - Vacuum Pressure Gauge"

Process Data

Fixed PDO mapping and configurable PDO mapping

EtherCAT connector

RJ45, 8-pin (socket), IN and OUT

Cable

Cable length

Shielded Ethernet CAT5e or higher

≤100 m (330 ft.)

Data rate

100000 Kbps