OMRON ZN-THS11-S (Sensor head: 1.5 m type) ZN-THS17-S (Sensor head: Anchored type). ZN-THX21-SA Thermo-Humidity Station

Temperature

Measurement range ∗1

-25 to +60°C

0 to 60°C

Measurement precision ∗3

±0.3°C (at 25°C)

Resolution

0.1°C

Long-term drift ∗4

0.1°C or less / year

Relative
humidity

Zero point ∗2

0% to 99%

20% to 85%

Span ∗3

±2.5% (at 25°C, 10 to 85%)

Resolution

0.1%

Long-term drift ∗4

1.0% or less / year

Recommended storage temperature range ∗5

10 to 50°C (with no condensation or icing)

Recommended storage humidity range ∗5

20 to 60% (with no condensation or icing)

Weight (packaged)

Approx. 300 g

Accessories

Instruction sheet
Mounting screw (M3 x 8) x 1

Instruction sheet
Mounting screw (M3 x 8) x 1
Caps to secure cable

Sensor that can be connected

Thermo-Humidity Sensor Head (ZN-THS[][]-S)

Display

LCD 7-segment 5-digit 2-step display, auxiliary information indicator display

Measurement interval

10 s, 20 s, 30 s, 1 min, 2 min, 5 min, 10 min, 20 min, 30 min, 1 h

Calculation function

Instantaneous value, maximum value, minimum value, average value

Operating mode

Network connection mode, sleep mode *1
air particle sensor (ZN-PD[][]-S[]) connection mode *2

Recording mode

Continue *3, ring *4

Alarm signal output

Output to photocoupler (External power supply: 12 to 24 VDC, Load current: Max.
45 mA) Alarm hold setting is possible. *5

Communications interface

Ethernet (10BASE-T, 100BASE-TX)

Communications protocol

Socket (TCP), original protocol

Internal storage device

Internal memory: Approx. 8,500 data items *6

External storage device

SD card (measured value saving/set value saving and reading), Recommended
SD card: HMC-SD292 (2GB) and HMC-SD492 (4GB) (manufactured by OMRON) ∗7

Power supply voltage

DC input: 24 VDC ±10%
Battery: 2 AAA batteries *8

Battery life *9

Approx. 1 year *9 (sleep mode)
Approx. 2 hours *9 (Network connection mode, air particle sensor (ZN-PD[][]-SA)
connection mode)
Measurement interval of 10 minutes (with 2 AAA nickel metal hydride batteries,
with SD card not inserted)

Operating temperature range

0 to 60°C

Operating humidity range

20% to 85% (no condensation)

Weight (packaged)

Approx. 500 g

Accessories

Instruction Sheet, Startup Guide, DC cable (straight type), Ferrite core,
Alarm output connector ∗10