HygroStat MB Specifications

Home Page | HygroStat MB Main Page | Contact us

HygroStat MB Specifications

Humidity temperature probe

Interchangeable HygroClip industrial probe with Tuchel 7-pin connector (order separately)

Maximum operating limits at probe

-50…200°C / -58…392°F (actual limits depend on probe model)

100 %RH up to 85°C / 185°F
90 %RH at 90°C / 194°F
50 %RH at 120°C / 248°F
25 %RH at 150°C / 302°F

Sensor protection (standard)

Wire mesh filter

Max air velocity at probe

20 m /s (3900 ft / min)

Maximum Accuracy
at 20..25°C / 68..77°F

± 1.0 %RH and ± 0.3°C / ± 0.5°F (depends on probe)

Operating limits at electronics

Recommended:
Normal room humidity and temperature

Survival:
0...99%RH non condensing
-40...70°C / -40...158°F
-40...60°C / -40...140°F with optional display

Psychrometric calculation

User selectable: dew point, frost point, wet-bulb temperature, enthalpy, vapor concentration, specific humidity, mixing ration, saturation vapor concentration, vapor partial pressure, vapor saturation pressure

Unit system

User selectable (metric / English)

Number of relays

2 with change over contacts

Relay contact rating

Contact material

Silver alloy

Initial contact resistance

100 mΩ

Initial insulation resistance

Min. 1,000 MΩ at 500V DC

Nominal switching capacity 1)

2 A 250 VAC

Minimum switching power 1)

1,500 VA

Maximum switching voltage 1)

250 V AC

Maximum switching current 1)

2 A AC

Minimum switching capacity 1)

100 mA, 5 V DC

Expected life (min. operations)

Mechanical: 5 x 10⁶

Electrical: N.O. 5 x 10⁴ N.C. 3 x 10⁴

Interface

RS-232 / RS-485 or Ethernet (TCP/IP) wired or wireless / RS-485

Supply voltage

MB-1: 12..24VDC, 300 mA / 12…24 VAC
MB-2: 90…240 VAC

Electrical connections

Power: plug-in terminal block and cable grip
Probe input, relay contacts and interface: connector

Housing material

Polycarbonate

Protection grade

IP65 / NEMA 4 (without optional display)

Housing Dimensions

80 (H) x 160 (W) x 55 (D) mm
(3 5/32 x 6 5/16 x 2 3/16")

Weight (w/o probe)

MB-1: 350 g / 12.3 oz
MB-2: 435 g / 15.3 oz

CE conformance
EN61000-6-1; 2001, EN61000-6-2:2001
EN61000-6-3; 2001, EN61000-6-4:2001

1) Resistive

The HygroStat MB is supplied with matching connectors for the relay outputs and RS-232 / RS-485 interface
(if applicable).

Humidity temperature probe		Interchangeable HygroClip industrial probe with Tuchel 7-pin connector (order separately)
Maximum operating limits at probe		-50…200°C / -58…392°F (actual limits depend on probe model) 100 %RH up to 85°C / 185°F 90 %RH at 90°C / 194°F 50 %RH at 120°C / 248°F 25 %RH at 150°C / 302°F
Sensor protection (standard)		Wire mesh filter
Max air velocity at probe		20 m /s (3900 ft / min)
Maximum Accuracy at 20..25°C / 68..77°F		± 1.0 %RH and ± 0.3°C / ± 0.5°F (depends on probe)
Operating limits at electronics		Recommended: Normal room humidity and temperature Survival: 0...99%RH non condensing -40...70°C / -40...158°F -40...60°C / -40...140°F with optional display
Psychrometric calculation		User selectable: dew point, frost point, wet-bulb temperature, enthalpy, vapor concentration, specific humidity, mixing ration, saturation vapor concentration, vapor partial pressure, vapor saturation pressure
Unit system		User selectable (metric / English)
Number of relays		2 with change over contacts
Relay contact rating
	Contact material	Silver alloy
	Initial contact resistance	100 mΩ
	Initial insulation resistance	Min. 1,000 MΩ at 500V DC
	Nominal switching capacity 1)	2 A 250 VAC
	Minimum switching power 1)	1,500 VA
	Maximum switching voltage 1)	250 V AC
	Maximum switching current 1)	2 A AC
	Minimum switching capacity 1)	100 mA, 5 V DC
	Expected life (min. operations)	Mechanical: 5 x 10⁶ Electrical: N.O. 5 x 10⁴ N.C. 3 x 10⁴
Interface		RS-232 / RS-485 or Ethernet (TCP/IP) wired or wireless / RS-485
Supply voltage		MB-1: 12..24VDC, 300 mA / 12…24 VAC MB-2: 90…240 VAC
Electrical connections		Power: plug-in terminal block and cable grip Probe input, relay contacts and interface: connector
Housing material		Polycarbonate
Protection grade		IP65 / NEMA 4 (without optional display)
Housing Dimensions		80 (H) x 160 (W) x 55 (D) mm (3 5/32 x 6 5/16 x 2 3/16")
Weight (w/o probe)		MB-1: 350 g / 12.3 oz MB-2: 435 g / 15.3 oz
CE conformance		EN61000-6-1; 2001, EN61000-6-2:2001 EN61000-6-3; 2001, EN61000-6-4:2001