Dynasonics TFXM Series Ultrasonic Multi-Channel Flow Meter - Manual (Page 7)

Rev. 8/02 -1. 6- TFXM
PART 1 - INTRODUCTION
The TFXM employs modular construction and provides
electrical safety for the operator. The display face and keypad
contains voltages no greater than 10 Vdc. The wiring access
panel provides users access to wiring terminals without risking
damage to flow meter circuits. Disconnect electrical power
before opening the instrument enclosure.
Non-volatile flash memory retains all user-entered
configuration values in memory indefinitely, even if power is
lost or turned off. Password protection is provided as part of
the Security menu and prevents inadvertent configuration
changes or totalizer resets.
The serial number and complete model number of your TFXM
is located on the side of the instrument enclosure. Should
technical assistance be required, please provide the
Dynasonics Customer Service Department with this
information.
User Safety
Data Integrity
Product
Identification
Product Matrix
D T F X M
Channels
1) One internal Channel
2) Two internal Channels
Power Supply
A) 115 VAC
B) 230 VAC
C) 100 VAC
E) 9-28 VDC
Approvals
N) Ordinary Area
X) Class 1 DIV1
(pending)
Options
N) None
Channel 1 Input/Output
(RS485 is Standard on all Models)
1) 4-20mA and Dual-Relay
2) Dual -Relay and One Option
3) 4-20mA and One Option
Channel 1 Option Input/Output
N) None (If “1” is selected above)
1) 4-20mA (secondary)
2) Dual- Relay (secondary)
3) Rate Pulse
4) RS232
6) Data Logger
7) Heat Flow
Channel 2 Input/Output [DTFXM2]
N) none—[DTFXM1]
1) 4-20mA and Dual-Relay
2) Dual -Relay and One Option
3) 4-20mA and One Option
Channel 2 Input/Output [DTFXM2]
N) none—[DTFXM1 or if “1” is selected above]
1) 4-20mA (secondary)
2) Dual- Relay (secondary)
3) Rate Pulse
4) RS232
6) Data Logger
7) Heat Flow
D T T
Construction
N) Standard
H) High Temp
Cable Length
020) 20 feet [6.1 m]
050) 50 feet [15 m]
100) 100 feet [30 m]
Maximum length: 990 feet [306 m]
in 10 foot [3 m] increments
Conduit Type
A) Flexible armored
N) none
Options
N) standard
X) Intrinsically Safe
Conduit Length
(Standard construction: Conduit length = Cable length)
000) none
020) 20 feet [6.1 m]
050) 50 feet [15 m]
100) 100 feet [30 m]
Maximum length: 990 feet [ 306 m]
in 10 foot [3 m] increments