24
TROUBLE SHOOTING
Check all wiring at terminal block at rear of meter for correct connections, bro-
ken wires, loose or corroded connections or short circuits.
Check for proper power voltage and wiring locations.
TABLE VII TROUBLESHOOTING CHART
PROBLEM
COMMON CAUSE
CHECK
No Display
No power to the meter
Voltage (90 to 264 VAC) across
rear connector terminal 11 & 12.
Return to Factory.
Incorrect power to me-
ter
Damaged meter
Incorrect Display
Transmitter connections
Wiring Diagram
See flow diagram &
“CALIBRATION”
Replace Transmitter
Wrong Setup
Defective Transmitter
Incorrect Setpoint
Alarm not set correctly
Alarm type, NO or NC & Hys-
teresis and setpoint setting.
Relay Output Inoperative
Incorrect connections
Wiring Diagram
Return to Factory
Contacts shorted or
open due to electrical
overload
Relay Chatter
Electrical pickup
See “SETPOINT RELAYS/
ALARMS” & “SIGNAL NOISE
ISOLATION”
Analog Output Does Not
Track Display.
Incorrect setup
See flow diagram &
“CALIBRATION”
Replace Analog Printed Circuit
Board
Defective Analog P.C.B.
Display drifting
Water in cable
With transmitter wires discon-
nected, resistance between the
red or black lead and the shield
should be more than 15 Meg
ohms
Display varies when relays
switch on
Electrical pickup
See “SETPOINT RELAYS/
ALARMS” & “SIGNAL NOISE
ISOLATION”
5
SPECIFICATIONS
LEVEL MATE II 575 TRANSMITTER
FUNCTIONAL SPECIFICATIONS
Range Limits: Reference Model Code
Output: 4-20 mADC, limited to 30 mADC
Power Supply: 12 to 40VDC with reverse polarity
protection (limited to 28 volts for intrinsically safe use)
Temperature Range:**
Ambient Operating:*
Silicone Fill -25
O
F to 180
O
F (-32
O
C to 82
O
C)
Mineral Fill 10
O
F to 140
O
F (-12
O
C to 60
O
C)
*CSA Instrinsically safe T3C, do not exceed 140
O
F (60
O
C)
Storage: -40
O
F to 180
O
F (-40
O
C to 82
O
C)
Loop Resistance: 1400 ohms max @ 40 volts
PERFORMANCE SPECIFICATIONS
Zero Offset: +0.50% FS, Set at 77
O
F (25
O
C)
Full Scale: +0.50% FS, Set at 77
O
F (25
O
C)
Accuracy: +0.25% FS (BFSL) Includes linearity,
hysteresis and repeatability (+0.50% FS 6 psi range only)
Stability: +0.5% FS / six months
Temperature Effect: Compensated 23
O
F to 130
O
F (-5
O
C to
55
O
C) +1% of Upper Range Limit for 77
O
F (25
O
C)
temperature change within the compensated range.
Power Supply Effect: +0.005% FS per Volt
Proof Pressure: 200% of Upper Range Limit
Burst Pressure: >2 times the Upper Range Limit
PHYSICAL SPECIFICATIONS
Materials of Construction
Cable Jacket: Polyurethane
Diaphragm: Type 316L Stainless Steel
Cover: Type 316 Stainless Steel
Nut/Washer: Type 316 Stainless Steel
Cable Grommet: Viton
Cover “O” Ring: Viton
Snub Nose: Nylon 6/6, removable (1/2 inch NPT threads)
Electrical Connection: 20 AWG Shielded Cable
Weight: 1 pound (454 g).
Media Compatibility: Any media compatible with
materials listed above
APPROVALS
Meets CSA requirements for intrinsically safe operation in
hazardous locations as designated by Class I, Div 1,
Groups A, B, C, & D and Class II, Groups E, F, & G.
Temperature Code T3C. (When used with approved
barrier.)
**If submerged in a liquid that has frozen solid, damage will result.
Summary of Contents for Level Mate II
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