Appendix a specifications, H-4161, Specifications a-1 – Xylem H-4161 User Manual
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Appendix A
Specifications
H-4161
Specifications A-1
4-20mA Current Transmitter
Type:
2-wire, loop powered
Isolation:
1000V r.m.s min
Loop Voltage:
5.5V min, 35V max
Resolution:
16-bits
Non-linearity:
±0.01% of FS max
Offset drift:
±25ppm of FS/ C max
Power Requirements
Voltage Input:
9 to 16 Volts DC
Surge Protection:
Built in, 1.5 KVA
Supply Current:
Sleep mode
2.1 mA typ
Active
8.0mA typ
SDI-12 Ports
Baud Rate:
1200
Protocol:
SDI-12, 7-bit even parity, 1 stop bit
Output Voltage Levels:
Minimum high level: 3.5 volts
Maximum low level: 0.8 volts
Response Time
SDI-12 measurement sequence:
aM!:
0-seconds, 1-parameter
all other:
1, second, 1-parameter
LCD Display
Type:
2-line x 16-character, reflective
Operating Temperature:
-0 C to +50 C
Storage Temperature:
-20 C to +60 C
Operating Modes
Monitor:
Monitor the SDI-12 port for “aD0!”
commands, update the 4-20mA output.
Initiate:
Initiate measurements on the AuxSDI
port, update the 4-20ma output,
data is available via “aM!” on the
primary SDI-12 port
Transparent:
SDI-12 and AuxSDI ports are connected
together
Environmental
Operating Temperature:
-20 C to +50 C
Storage Temperature:
-20 C to +60 C
Hu;midity:
Non condensing
Mechanical
Material:
ABS plastic
Size
3.75" Long x 2.65" Wide x 1.25" Deep
Connections
+12V, SDI-12, AuxSDI:
5-position plug-in terminal strip,
Phoenix Combicon™ (provided)
4-20mA:
2-position plug-in terminal strip,
Phoenix Combicon™ (provided)
The
W
ATER
LOG
®
H-4161 is warranted against defects in
materials and workmanship for one year from date of shipment.
Notes
Specifications subject to change without prior notice due to
ongoing commitment to product testing and improvement.