WSD12-EVTT Four channel Wireless Data Logger for Thermal Energy

Power supply

8.5A/h - 3.6V type “C” lithium internal battery

Battery life (*)

Up to 5 years
(samples every 10 minutes and radio signal quality at least sufficient)

Measures acquired (4 channels)

Pulses from clean contact or “open collector”:

· CH1: Thermal Energy

· CH2: Volume

· CH3/CH4: Heat-transfer fluid temperature

(Compatibile with any energy meter with pulse digital output)

Sampling interval (*)

Selectable from one minute to 24 hours (10 minutes default)

Datalogger capacity

64,000 samples (for each channel)

Working temperature

· Operative: -30°C ÷ +60°C

· Warehousing: -40°C ÷ +70°C

Radio frequency

ISM 868MHz

Radio coverage (**)

Up to 6Km in line of sight
(can be extended using WR12 battery powered routers)

Sealing

IP65

Dimensions

90 x 120 x 50 mm

Weight

350g

Case material

ABS

Mounting

Fix on 4 points

Connections

Wireless/USB

Cable external diameter

4.7mm maximum

Copper wire section

0.05 ÷ 2.5mm² / ÷ 14 AWG

Thermal energy - Weight counting (***)

Selectable on board:

CH1 (KWh)

CH1 (KWh)

1

1

10

10

100

100

1,000

1,000

NTC10KΩ BETA 3435 inputs - Transducer type

NTC10KΩ BETA 3435 (2 wires)

NTC10KΩ BETA 3435 inputs - Measure range

-50°C ÷ +105°C

NTC10KΩ BETA 3435 inputs - Measure accuracy

± 0.5°C @ 40°C

NTC10KΩ BETA 3435 inputs - Measure resolution

0.01°C

NTC10KΩ BETA 3435 inputs - Connection

Internal terminal block

NTC10KΩ BETA 3435 inputs - Sensor input

From 0 to 4.5mm Ø cable clamp