4-20
M
A O
UTPUT
O
PERATION
V
ERIFICATION
P
ROTOCOL
(O
PTIONAL
)
.............................
Sievers M500e TOC Analyzer
Operation and Maintenance Manual
DLM 78510-02 EN Rev. B
202
SUEZ © 2022
5.15 Click the
Set Output
button for the same output, and use the on-screen
keyboard to define the output current as
20 mA
.
5.16 The reading on the multimeter should match the Analyzer’s displayed
measurement within ± 0.1 mA.
5.17 Repeat steps 5.8–5.16 for the remaining Analog Outputs.
5.18 Select the
Hardware
tab, then select
Analog Outputs Setup
.
5.19 Attach the multimeter probes to the pins corresponding to the Analog Output
(1, 2, or 3) to be tested.
5.20 In the
Analog Outputs - Standby, Error, Warning Values
section, make sure
the values for each selection are different. By default, the value for Standby is
1 mA, the value for Error is 2.5 mA, and the value for Warning is 2.5 mA.
5.21 Select the
Value
dropdown for the Analog Output to be tested. Configure the
output for TOC, and set the Max and Min values to encompass the expected
range of your water system. Record the Max and Min values on the
4-20 mA
Output Verification Worksheet
.
NOTE:
To ensure accurate results, select Max and Min values
that reflect an appropriate range for your water system.
5.22 Click
Save
to save these settings.
5.23 Until the first measurement is displayed, the reading on the multimeter should
read 1.0 mA (or the Standby value set in step 5.20).
