Annex
16. ANNEX
16.1 Technical data
Measuring inputs
one ALMEMO
®
socket for all ALMEMO
®
sensors
Measuring channels
4 channels for double sensors, function channels
A/D converter
Delta - sigma, 16-bit, 2.5 / 10 mops,
amplification 1 to 100
Sensor power supply
6 / 9 / 12 V as required, max 150 mA
Option OA2790-RHA
Integrated temperature / humidity sensor
Measuring channels
4 additional humidity sensor channels (T, RH, TD, AP)
Measuring ranges
Temperature -20 to +80 °C
Accuracy
+5 to +60 °C
typical ±0.2 K
+5 to +60 °C
maximum ±0.4 K
-20 to +80 °C maximum ±0.7 K
Reproducibility typical ±0.1 K
Humidity 5.0 to 98.0 % RH
Accuracy 10 to 90 % RH max. ±2.0 % RH at 23 °C ±5 K
5 to 98 % RH max. ±4 % RH at 23 °C ±5 K
Hysteresis typical ±1 % RH
Outputs
Interfaces
USB with cable ZA1919-DKU5 at ALMEMO
®
DC socket
Wireless link
Bluetooth, class 1, with internal antenna
Standard equipment
LCD
Meas. value
5x 7-segment, 15 mm
2x 16-segment, 9 mm
Function
4½ x 7-segment, 9 mm, 9 symbols
Operation
7 silicone keys
Power supply
Batteries
3 Ni-MH rechargeable batteries (AA size)
Current consumption
approx. 14 mA
(with wireless connection, without input and output modules)
External
ALMEMO
®
DC socket
Mains adapter
ZA 1312-NA10
230 VAC to 12 VDC, 2A
Adapter cable, el. isolated:
ZA 2690-UK
10...30 VDC to 12 VDC, 0.25 A
Housing
127 x 83 x 42 mm (LxWxH)
, ABS,
Weight approx. 260 g
Operating conditions
Operating temperature
-10 to +50 °C
(storage temperature -20 to +60 °C)
Ambient atm. humidity
10 to 90 % RH
(non-condensing)
Bluetooth sensor module ZA1729-BTFS
Power supply
via ALMEMO device
Current consumption
approx. 25 mA (9 V) (with wireless connection)
Module housing
61 x 20 x 8 mm (LxWxH), ABS
Operating conditions
Operating temperatur
-10 to +50 °C (storage temperature -20 to +60 °C)
Ambient atmospheric humidity 10 to 90 % RH (non-condensing)
ALMEMO
®
2790
27
