4 Transmitter
15
Probes
Article no.
Characteristic
testo 6615 0555 6610-L15
Trace humidity cable
probe version; accuracy
±1 K at 0 °Ctd/+32 °Ftd; temperature range
-40 to 120 °C/-40 to +248 °F, sensor soldered
testo 6617 0555 6610-L17
Cable with cover electrode monitoring
probe
version; accuracy to ± 1.2 % RH; temperature
range -40 to 180 °C/
-40 to +356 °F, sensor soldered
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4.2.3.
Display and keypad
The display option allows operation of the testo 6381 transmitter via
the display and four keys.
The LCD display consists of two 7-segment lines for displaying
readings and units and of an information line (for status messages,
for example).
The brightness and contrast of the display and the background
lighting (permanent or off) can be changed via the user menu or the
P2A software.
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4.2.4. Service
interface
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The parameterizing socket (mini-DIN) is located behind the service
flap as an interface to the P2A software or Testo handheld
instrument (testo 400/testo 650).
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4.2.5.
Relay board (option)
This has a floating switch capacity of 250 V AC/3 A. The switching
limits and hysteresis as well as the function as relay for the
collective alarm can be set via the display or the P2A software.
Further features include:
•
Function of changeover contacts (NC/NO contacts) freely
selectable
•
12 terminals for a total of 4 relays.
If no relays are available, settings for monitoring limit values
or alarms can still be controlled via the display. The alarm
status will be shown on the display.
Only have the transmitter wired and connected by
authorized personnel with the voltage disconnected.
1.800.561.8187
www.
Testo-Direct
.ca
All manuals and user guides at all-guides.com