GHM DeltaOhm HD402 Series, Руководство по эксплуатации

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HD402…
- 4 -
V1.1
2 TECHNICAL CHARACTERISTICS
Sensor Piezoresistive, High stability
Measuring range
See table 2.1
Resolution See table 2.2
Accuracy
(*)
•
HD402
TR1
…: ±(0.8% m 0.5 Pa) @ 0…50 °C
•
HD402…
T1
…: ±1.5% FSS @ 25 °C / ± 3% FSS @ 0…50 °C
•
HD402… 2 …: ±0.75% FSS @ 25 °C / ± 1% FSS @ 0…50 °C
•
HD402… 3 … / HD402… 4 … / HD402… 5 …: ±1% FSS @ 0…50 °C
Long term stability
(1000 h) @ 25 °C
•
HD402 TR1 …: ±0,2 Pa with auto-zero
•
HD402… T1 … / HD402… 2 …: ±0.5% FSS
•
HD402…
3
…: ±0.35% FSS
•
HD402… 4 …/ HD402… 5 …: ±0.25% FSS
Output
•
HD402T…: Active analog 0…10 Vdc (R
Lmin
= 10 k
Ω
) or 0/4…20 mA
(R
Lmax
= 500
Ω
)
•
HD402AT…: 2-wire (current loop) 4…20 mA (R
Lmax
= (Vcc-12)/0,022)
•
HD402ST…: Digital RS485 Modbus-RTU
•
HD402TR…: SPDT Relay switch, 3 A/250 Vac, 3 A/30 Vdc resistive
load
Alarm
(only HD402TR) Front LED, internal buzzer, relay switch
Response time 0.5 seconds for the display updating
For transmitters: configurable 0.125, 1, 2 or 4 seconds for the output
Overpressure limit •
HD402…
1
… / HD402…
2
… / HD402…
3
…: 50 kPa
•
HD402…
4
…: 200 kPa
•
HD402… 5 …: 400 kPa
Connection to PC RS232 serial port
Can be connect to a USB port by using the optional CP27 adapter
Zero calibration Automatic for HD402TR1L, manual for the other models
Compatible media Only air and non-aggressive dry gases
Power supply
•
HD402T…: 24 Vac
±
10% o 18…40 Vdc
•
HD402AT… and HD402ST…: 12…30 Vdc
•
HD402TR…:24 Vac
±
10% o 15…36 Vdc
Absorption
•
HD402T…, HD402AT… and HD402TR…: < 1 W @ 24 Vdc
•
HD402ST…: < 100 mW @ 12 Vdc
Pressure connection Ø 6.2 mm
Electrical connections Screw terminal block, max 1.5 mm
2
, PG9 cable gland
Operating conditions -10…+60 °C / 0…95% RH
Storage temperature -20…+70 °C
Housing dimensions 80 x 84 x 44 mm
Protection degree IP65
(*)
FSS = nominal range (= 2 x f.s. high range).