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HygroFlex8 - HF8 - transmitter

The HF8 is a multi-function transmitter designed to meet the requirements of applications requiring multiple instruments with one self contained instrument. The HF8 has an extensive set of optional functions and settings that can be configured and enabled with the ROTRONIC HW4 software after connecting the HF8 to a PC.

Applications

Measures relative humidity, temperature and all calculated (psychrometric) parameters in the fields of HVAC, industry and pharmaceuticals.

Features
• 2 interchangeable HC2 or analog probes
• Range of application electronics: -40…60 °C / 0…100 %rh
-10…60 °C with LCD
• Digital outputs, also combinable with analog outputs
• Analog inputs (U/I)
• Data logging, up to 10‘000 measured values
• Relay outputs
• Use as simulator for system validation *
• Service interface

Accuracy at 23 ±5 °C ±0.8 %rh / ±0.1 K
Operating range -40…85 °C / -10…60 °C (Models with display) 0…100 %rh, non-condensing
Measuring range with interchangeable probe 0…100 %rh and -100…200 °C
Power consumption 15 ... 40 VDC or 12 ... 28 VAC, 50-60 Hz
9 ... 36 VDC, with galvanic isolation
85 ... 265 VAC, 5 watts, 50-60 Hz with electrical isolation
Psychrometric calculations All psychrometric values
Backlight with Backlight
Calibration / adjustment with Software HW4
Display type Optional graphics display. Presentation configurable.
Engineering units displayed 1 or 2 decimal places
Initialisation time Typically 1.9 sec.
Measurement interval 1 s (typical)
Number of probe inputs 2
3rd party analogue probe input 2
Keypad (with display only) Yes
Alerting Yes
Alarm indicators Yes
Acoustical alarm (Beeper) Yes
Real time clock w.backup battery Yes
Memory size 10,000 pairs of readings (relative humidity and temperature) with HC2; 10,000 readings with 1-channel sensor
Exploitation software ROTRONIC HW4
Trend indicator Yes, for models with display
Probe adjustment by software Yes, with service cable
Probe adjustment by keypad display / keyboard
Firmware update With internet and HW4 software
Data processing via HW4 with interface cables
Analogue outputs scaleable by the user Yes
Analog output signal (standard) 0…1 V, 0…5 V, 0…10 V, 0(4)…20 mA
Circuit type 3/4 wire
Communication interfaces RS-485 / USB / LAN
Configurable relay outputs 4
Relay type and number SPDT (single pole changeover); Max Switching voltage: 250 VAC*; Max Switching Current: 6A (*resistive load)
Cable connections 1x M16x1.5 or ½ "conduit adapter
Enclosure material ABS
Fire protection class Complies UL94-HB
IP protection rating IP65 (except models with USB / Ethernet interface)
Max. cable length Up to 5 m with passive cable. Up to 100 m with active cable.
Max. nr. of devices in RS485 network 64
Max. probe cable length 10 m
Probe material Dependent on probe
Reverse voltage protection Protection diode to V +
Service Interface Mini USB (UART)
FDA/GAMP compatibility FDA 21 CFR Part 11 and GAMP compatible
Dimensions 192 x102 x 52 mm
Weight 540.0000

Want to learn more about our products?
We will be pleased to personally advise you.

+44 1293 571000
instruments@rotronic.co.uk

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