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Dual Loop Control |
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Humidity + Temperature | ||||||||||||||||||||||||||||||||||||||||||||
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High Accuracy ±0.5°C and ±2% RH | ||||||||||||||||||||||||||||||||||||||||||||
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4 Popular DIN Sizes | ||||||||||||||||||||||||||||||||||||||||||||
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Ethernet and Serial Communications (optional) | ||||||||||||||||||||||||||||||||||||||||||||
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User-friendly, Simple to Configure | ||||||||||||||||||||||||||||||||||||||||||||
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Full Autotune PID Control | ||||||||||||||||||||||||||||||||||||||||||||
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2 Control or Alarm Outputs (optional) | ||||||||||||||||||||||||||||||||||||||||||||
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Choice of Relays, SSR, DC Pulse, Analog Voltage and Current | ||||||||||||||||||||||||||||||||||||||||||||
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Programmable Ramp and Soak for Humidity and/or Temperature | ||||||||||||||||||||||||||||||||||||||||||||
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RH/Temperature Probe included | ||||||||||||||||||||||||||||||||||||||||||||
The OMEGA® iTH Series instruments monitor and control both temperature and relative humidity.
All meters and controllers in the series are high quality, highly accurate instruments featuring OMEGA's award-winning iSeries technology, uncompromising accuracy, and Made in the U.S.A. quality, backed by an extended 5-year warranty.
The instruments are simple to configure and use, while providing tremendous versatility and a wealth of powerful features. The OMEGA iTH Series instruments are available either as monitors or controllers. The monitors are extremely accurate programmable digital panel meters displaying humidity, temperature, or dew point. The controllers also provide dual loop control for both humidity and temperature and are easily programmed for any control or alarming requirement from simple on-off to full autotune PID control.
The iTH family of meters and controllers are available in four true DIN sizes: the ultra compact 1/32 DIN (the world's smallest dual loop Humidity + Temperature controller); the popular midsize 1/16 DIN square bezel with dual display; the 1/8 DIN vertical, and the 1/8 DIN horizontal with the big bright 21mm digits.
The OMEGA iTH series LED displays can be programmed to change color between Green, Amber, and Red at any set point or alarm point.
The iTH controller models offer a choice of two control or alarm outputs in almost any combination: solid state relays (SSR); Form "C" SPDT (Single Pole Double Throw) relays; pulsed 10 Vdc output for use with an external SSR; or Analog Output selectable for control or retransmission of the process value.
The Networking and Communications options (highly recommended) include direct Ethernet LAN connectivity with an Embedded Web Server, and serial communications. The -C24 serial communications option includes both RS-232 and RS-485. Protocols include both MODBUS and a straightforward ASCII protocol. The -C4EI option includes both Ethernet and RS-485 ASCII/MODBUS on one device.
The iTH Series meters and controllers are designed for easy integration with popular industrial automation, data acquisition and control programs as well as Microsoft Visual Basic and Excel. OMEGA® provides free configuration and data acquisition software and demos which makes it fast and easy to get up and running with many applications.
SPECIFICATIONS
| Sensor
Specifications Relative Humidity Accuracy/Range: ±2% for 10 to 90% RH; ±3% for 0 to 10% RH & 90 to 100% RH Non-linearity: ±3% Response Time: 4 seconds (63% slowly moving air) Repeatability: ±0.1% Resolution: 0.03%, 12 bit Temperature Accuracy/Range: ±0.5°C (±1°F) for 0 to 80°C (32 to 176°F) ±1°C (±2°F) for -40 to 0°C and 80 to 124°C (-40 to 32°F and 176 to 254°F) Response Time: 5 seconds (63% slowly moving air) Repeatability: ±0.1°C Resolution: 0.01°C, 14 bit |
 Choose between 2" or 5" probe. |
Meter Specifications
NMRR: 60dB
CMRR: 120 dB
Warm-up to rated accuracy: 30 min.
A/D Conversion: 12 bit RH and 14 bit Temperature
Reading Rate: 2 samples per second max.
Digital Filter: Programmable
Decimal Selection: None, 0.1 for temperature and humidity
Control
Action: Reverse (heat) or direct (cool)
Modes: Time and Amplitude Proportional Control Modes; selectable Manual or Auto PID, Proportional, Proportional with Integral, Proportional with Derivative with Anti-reset Windup and ON/OFF
Rate: 0 to 399.9 seconds
Reset: 0 to 3999 seconds
Cycle Time: 1 to 199 seconds; set to 0 for ON/OFF operation
Gain: 0.5 to 100% of span; Setpoints 1 or 2
Damping: 0000 to 0008
Soak: 00.00 to 99.59 (HH:MM), or OFF
Ramp to Setpoint: 00.00 to 99.59 (HH:MM), or OFF
Auto Tune: Operator initiated from front panel for one input at a time only
Control Output 1 & 2
Relay: 250Vac or 30Vdc @ 3A (resistive load); configurable for on/off, PID, Ramp and Soak
Output 1: SPDT type, can be configured as Alarm 1 output.
Output 2: SPDT type, can be configured as Alarm 2 output
SSR: 20-265Vac @ 0.05 - 0.5A (resistive load); continuous
DC Pulse: Non-Isolated; 10 Vdc @ 20 mA
Analog Output (Output 1 only): Non-Isolated, Proportional 0 to 10Vdc or 0 to 20mA; 500ohm max
Alarm 1 & 2 (programmable)
Type: Same as Output 1 and 2
Operation: High/low, above/below, band, latch/unlatch, normally open/normally closed and process/deviation; front panel configurations
Analog Output (programmable): Non-Isolated, Retransmission 0 to 10Vdc or 0 to 20mA, 500ohm max (Output 1 only). Accuracy is ± 1% of FS when following conditions are satisfied.
1) Input is not scaled below 1% of Input FS.
2) Analog Out is not scaled below 3% of Output FS.
Network and Serial Communications (options -C24, -C4EI, -EI)
Ethernet: Standards Compliance IEEE 802.3 10Base-T
Supported Protocols: TCP/IP, ARP, HTTPGET
RS-232/RS-422/RS-485: selectable from menu; both ASCII and Modbus protocol selectable from menu. Programmable 300 to 19.2 K baud; complete programmable setup capability; program to transmit current display, alarm status, min/max, actual measured input value and status
RS-485: Addressable from 0 to 199
Connection: Screw terminals
Power
Line Voltage/Power: 90-240 Vac ±10%, 50-400 Hz*, 110-375 Vdc, equivalent voltage
* No CE compliance above 60 Hz
Low Voltage/Power Option: 24 Vac** ±10%, 12-36 Vdc, from qualified safety approved source
**Units can be powered safely with 24Vac power, but no certification for CE/UL are claimed
Insulation
Power to Input/Output: 2500 Vac per 1 minute test
For Low Voltage/Power Option: 1500 Vac per 1 minute test
Power to Relay/SSR Outputs: 2500 Vac per 1 minute test
Relay/SSR to Relay/SSR Outputs: 2500 Vac per 1 minute test
RS-232/485 to Inputs/Outputs: 500 Vac per 1 minute test
Dimensions
i/8 Series: 48 H x 96 W x 127 mm D (1.89 x 3.78 x 5")
i/16 Series: 48 H x 48 W x 127 mm D (1.89 x 1.89 x 5")
i/32 Series: 25.4 H x 48 W x 127 mm D (1.0 x 1.89 x 5")
Panel Cutout
i/8 Series: 45 H x 92 mm W (1.772" x 3.622"), 1/8 DIN
i/16 Series: 45 mm (1.772") square, 1/16 DIN
i/32 Series: 22.5 H x 45 mm W (0.886" x 1.772"), 1/32 DIN
Weight
i/8 Series: 295 g (0.65 lb)
i/16 Series: 159 g (0.35 lb)
i/32 Series: 127 g (0.28 lb)
Display Sizes
4-digit, 9-segment LED
10.2 mm (0.40") & 21 mm (0.83"): i8DH
10.2 mm (0.40"): i32, i16D, i8DV
red, green and amber programmable colors
General
Environmental Conditions:
0 to 50°C (32 to 122°F), 90% RH non-condensing: i8DV, i8DH, i16D;
0 to 55°C (32 to 131°F), 90% RH non-condensing: i32
Installation Category: II per EN61010-1
Equipment Class: II per EN61010-1
Pollution Degree: 2 per EN61010-1
Protection: NEMA-4x/Type4 (IP65) front bezel i32, i16D; NEMA-1/Type1 front bezel i8DH, i8DV
Approvals: UL, C-UL, CE per EN61010- 1