Delta OHM HD2011NMT - Noise Monitoring Station

Power supply 12 V lithium battery for models HD2011NMT-xxB
Solar panel or 24 VDC power supply for models HD2011NMT-xxP
Internal battery 12 V LiFePO4 for models HD2011NMT-xxB. Batteries with 48
hours or 7 days autonomy are available.
12 V lead-acid for models HD2011NMT-xxP. 18 Ah (for 24 VDC
power supply) or 55/70/100 Ah (for power supply from a solar
panel) batteries are available. For power supply from a solar panel, as an alternative to the 45 Ah battery a 10 A UPS unit can be
requested.
Recording Continuous, single or at intervals with duration configurable from
5 min to 1 week
Capacity of internal
memory
At least 24 hours of data
Inputs of sensors Input for external microphone unit
Only for models with Meteo option (HD2011NMT-xMx):
Input for the connection of a combined relative humidity and
temperature probe, of a rain gauge and of an anemometer
RS485 port with Master MODBUS-RTU protocol for the connection
of an external weather station
Connection to PC 3G/GPRS TCP/IP connection via the 3G/GSM modem
Alarms 1 potential-free contact isolated alarm output. Normally open
contact, max 300 mA @ 30 Vdc resistive charge.
Sending of alarms via e-mail.
Operational conditions -20 … 50 °C
0 … 85% RH non-condensing for models HD2011NMT-Bxx
0 … 100% RH for models HD2011NMT-Sxx
Storage temperature -25 … 65 °C
Materials Models HD2011NMT-Bxx:
Hot-pressed fiber glass reinforced polyester case. Protection shield
against solar radiation in powder-coated anodized aluminum.
Models HD2011NMT-Sxx:
Polypropylene suitcase with sealing gasket.
Housing dimensions 500x420x210 mm (solar radiations shield, handles and feet included) for models HD2011NMT-Bxx
Weight 8.9 kg approx. (sound level meter and 48 hours battery included)
for models HD2011NMT-Bxx
Housing protection degree IP 65 (models HD2011NMT-Bxx)
IP 67 (models HD2011NMT-Sxx)