8
testo 6651
- 1.1 Specifications
1.1.3 Accessories
The following accessories are available for the testo 6651 humidity
transmitter:
Protection caps for probes
Mains unit
P2A software (parameterizing, adjusting and analyzing software)
Assembly accessories.
Information about accessories and their order numbers can
be found in
volume 2, chapter 4.2, page 149
or on the
website at www.testo.com.
1.1.4 Technical data
Parameters
-
Humidity (% RH/°Ctd/°Ftd)
-
Temperature (°C/°F)
Measuring range
-
Depends on probe
Accuracy
-
Depends on probe
Resolution
-
0.1 % RH or 0.1 °C/0.1 °F
Meas. cycle
-
1/s
Interface
-
Mini-DIN for P2A software
(parameterizing and adjusting
software) and handheld testo
400/650
Voltage supply
-
4-wire (separate signal and supply
lines):
20 - 30 V AC/DC,
300 mA power consumption
- 500
Ω
(power output)
Analog output
-
0 ... 1 V ± 1.5 mV (4-wire) or
-
0 ... 5 V ± 7,5 mV (4-wire) or
-
0 ... 10 V ± 15 mV (4-wire) or
-
0 ... 20 mA ± 0.03 mA (4-wire) or
-
4 ... 20 mA ± 0.03 mA (4-wire)
Resolution of analog output
-
12 bit
Relay
-
4 relays, 250 V AC/DC, 3 A
(optional)
1.888.610.7664
www.
Testo-Direct
.com