Hach-Lange RTC103 N-Module - Manual (Page 8)

8
Technical data
Analog output Outputs for DO setpoint or VFD control
Number of outputs
One-channel: 1 (KL4011); 1 (KL4012) VFD control 
Two-channel: 1 (KL4012); 2 (KL4012) VFD control
Supply voltage
24 V DC via the power contacts
(Alternatively, 15 V DC with bus termination KL9515)
Signal current 0/4 to 20 mA
Working resistance < 500 Ohm
Measurement error
± 0.5 LSB linearity error
± 0.5 LSB offset error
± 0.5 % (relative to the measuring range end value)
Resolution 12 bit
Conversion time Approximately 1.5 ms
Electrical isolation 500 V
eff
(K-bus/field voltage)
Environmental conditions
Working temperature 0 to 50 °C (32 to 122 °F)
Storage temperature –25 to +85 °C (–13 to 185 °F)
Relative humidity 95 %, non-condensing
Miscellaneous
Pollution degree
Protection class
Installation category
Maximum altitude 3
III
I
2000 m (6.562 ft.)
Degree of protection IP20
Installation DIN rail EN 50022 35 × 15
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