Tokyo Keiki KRG-10, Руководство пользователя

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10-7
10.2 Transmitter specifications
Table 10.2.1 Transmitter specifications
Microwave Frequency 26GHz
Power < 5µW
Operating
voltage Non-Ex DC 10.5 to 36V
Ex ia DC 12 to 30V
Ex ia/d DC 18 to 36V
Analog current
output Current output 4-20mA, 4mA(HART multidrop mode)
Resolution 0.4µA
Alarm output
Hold, 3.6mA, 22mA
Temperature drift ±0.05%FS / 10K (16mA) or ±0.5%FS
Response Time 2sec. until statically determinate
Digital output Communication Protocol HART 7
Resolution 1mm
Fastest output cycle
1s
LCD module
(option) Display 5 digits LCD
<Displayed parameters> (Alternative)
Level (m or Ft) Distance (m or Ft)
Volume (value or %) Flow rate (value or %)
Current (mA) Signal strength (dB)
Max. volume Max. flow rate
Electronic temperature (°C)
Method of operation 4 keys operation
Surge
immunity Non-Ex COM 4kV / Dif 2kV (IEC61000-4-5 level-4)
Ex ia COM / Dif 30V
Ex ia/d COM / Dif 250V
Ambient
temperature
Non-Ex
(
Without display)
-40 to +70 °C
Non-Ex
(
With display)
-20 to +70 °C
Ex ia, Ex ia/d
(
Without
display)
-40 to +60 °C
Ex ia, Ex ia/d
(
With display)
-20 to +60 °C
Storage and transport temperature -40 to +85 °C
Vibration resistance (Resonance Point) 1G at 9 to 200 Hz
Wiring port Standard of screw (number of
screw holes) M20 x 1.5 (x 2)
Plug and cable gland Non-Ex Non-Ex Blind plug
1)
,
cable gland
1)
Ex ia Ex Blind plug,
Non-Ex Blind plug
1)
Ex ia/d Ex Blind plug,
Non-Ex Blind plug
1)
Connection cable outer
diameter
Φ
7 - 13mm (in case of standard cable gland for
Non-Ex)
Connection cable core Stranded wire 0.5 to 2.5mm
2
(AWG20-12)
Single wire 0.8 to 2.0mm
2
(AWG20-12)