RH/T and surface temperature monitor

Temperature-monitor

RL4109 transmitter

The RH/T and surface temperature monitor is part of the Pro RL4000RHT Series, the RL4109 outdoor transmitter combines temperature and humidity measurements and is configured to 434.075MHz frequency as standard.

Temperature ranges between -40°C to +80°C. (Probes sold separately).

Get in touch today for your free quotation or to discuss your specific temperature monitoring requirements and application.

Dimension (Excl. ancillaries) 150 x 88 x 50mm
Weight 485 grams
Power supply 1 x 3.6V AA Lithium battery
Case material ABS & PC
Memory capacity 50,000 readings per channel (unit will wrap when full)
Clock accuracy (logging) 20 ppm at 25°C
IP Rating IP30
Instrument operating range -20°C to +65°C in a non-condensing RH environment
Storage temperature -40°C to +60°C
Frequency options A range of frequencies are available between 433-458MHz. Country specific regulations apply
Radio power 10mW
Radio range 3km over open ground
Battery life Up to 2 years (dependent on conditions of use and instrument settings)
Software required W900 – Standard EMS Software Package
W906 – Validated EMS Software Package
Hardware required CR2 / CR3 – Controller
SR2 – Smart Receiver
REP – Repeater
Accessories Wall mounting bracket
AA Lithium battery
Sensor options (supplied with unit) J140 EE07-02 RH/T probe

Temperature Probe: PT1000 (Tolerance class A)
Temperature operating range:
-40°C to +80°C (restricted by
instrument operating range)
Cable operating range: -40°C to +80°C
Temperature accuracy: +/- 0.1°C at 20°C
Long term drift: +/- 0.05°C per year
Humidity Probe: Capacitive Polymer
Recommended range: 0-100% RH non condensing
Accuracy +/- 2% (0-90%)
+/- 3% (90-100%)
Temperature dependance: <(0.025+0.0003xRH)[%RH/°C]
Solar and rain shield T351-G18

OPERATING ENVIRONMENT
Operating/Storage
temperature: -40°C to +80°C
Maximum wind speed: 75 m/s (168mph)

SHIELDING PERFORMANCE
Shielding efficiency
(temperature rise/error due
to incident solar radiation):
2.3°C/KW/m² at 1m/s typical

MECHANICS
Diameter: 76mm
Shield materials: Nylon/polyamide, polycarbonate,
ABS, aluminium, stainless-steel
Overall height: 118mm
Typical weight: 110g
Price Temperature monitor - Get in touch for a FREE quote
  • Combined temperature & humidity measurement for outdoor use
  • LCD display with 50,000 data readings per channel & up to 2 years
    battery life
  • Superior performance hardware & high accuracy sensors
  • Easily accessible battery & USB socket
  • Low power radio for long distance transmission (3km over open
    ground)
  • Complies with RoHS, EU & WEEE directives
  • Carries CE Marking
  • Supplied with wall bracket

Temperature monitor - Get in touch for a FREE quote

  • Outdoor comparative data

Temperature monitor - Get in touch for a FREE quote