Ammonia Detector - Manual
NH3/ENH3
April.10
Automatikprodukter
Electrochemical Transmitter
Electrical
Power supply
18 - 28 VDC/AC, reverse polarity protected
Power consumption (without options) 22 mA, max. (0,6 VA)
Output signal
Analog output signal
Selectable: Current / tension (0) 4 – 20 mA, load
≤
500
Ω
,(0) 2 - 10 V; load >50 k
Ω
Starting point 0 / 20 %
proportional, overload and short-circuit proof
Serial interface
Transceiver
RS 485 / 19200 Baud
Physical
Enclosure*
Stainless steel V2A
Enclosure colour*
Natural, brushed
Dimensions*
(B x H x T) ca. 113 x 135 x 45 mm
Weight*
Ca. 0,5 kg
Protection class*
IP 55
Mounting*
Wall mounted, pillar mounted
Cable entry
Standard 1 x M 20
Wire connection
Screw-type terminal min. 0,25, max. 2,5 mm
2
Wire distance
Current signal ca. 500 mVoltage signal ca. 200 m
Guidelines
EMC Directive 89/336/EEG CE
Warranty
1 year on material (without sensor)
Options
Relay output
Alarm relay 1
30 VAC/DC 0,5 A, potential-free, SPDT
Alarm relay 2
30 VAC/DC 0,5 A, potential-free SPNO/SPNC
Power consumption
30 mA, max. 0,8 VA)
Warning buzzer
Acoustic pressure
85 dB (distance 300 mm)
Frequency
3,5 kHz
Power consumption
30 mA, max. 0,8 VA)
LCD-Display
LCD
Two lines, 16 characters each, illuminated
Power consumption
10 mA, max. 0,3 VA)
Heating
Temperature controlled
3 °C ±2°C
Ambient temperature
- 40 °C
Power supply
18 - 28 VDC/AC
Power consumption
0,5 A; 12 VA
Analog input
Only for RS-485 mode
4 – 20 mA overload and short-circuit proof, input resistance
200
Ω
