This product is covered by ACI's Five (5) Year Limited Warranty. Learn more
Product overview
Transmitter w/ 1,000 Ohm RTD (NIST Cert), Room (R2), 4-20mA Output, 5PT NIST
Application
- Space Temperature Sensing
- Decorative Wall Sensor Applications
- Office Buildings
- Schools
- Colleges
- Commercial Buildings
- OEM Opportunities
Product specifications
Transmitter Supply Voltage | Supply Current:
+8.5 to 32 VDC (Reverse Polarity Protected) | 25 mA minimum
250 Ohm Load: +13.5 to 32 VDC
500 Ohm Load: +18.5 to 32 VDC
“-LCD” Loop Powered: Add +7 VDC to 250/500 Ohm Load Supply Voltage above
Maximum Load Resistance:
(Terminal Voltage - 8.5 V) | 0.020 A
Output Signals:
Current: 4-20 mA (2-Wire Loop Powered)
Voltage: 1-5 VDC or 2-10 VDC (3-Wires)
Calibrated Accuracy | Linearity:
Temp. Spans < 500°F (260°C): +/- 0.2%
Transmitter’s calibrated at 71°F (22°C) nominal
Connections | Wire Size:
Screw Terminal Blocks (Polarity Sensitive) | 16 AWG (1.31 mm2) to 26 AWG (0.129 mm2)
Terminal Block Torque Rating:
0.37 ft-lb (0.5 N-3m) nominal
Override Contact Type | Contact Ratings:
Dry Contact “N/O” Contact | Minimum: 10 uA @ 1 VDC | Maximum: 50 mA @ 24 VDC
Set Point Tolerance:
+/- 10% | 4-20 mA: 4 mA (Far Left) / 20 mA (Far Right)(DA-Direct Acting (Default))
+/- 10% | 20 mA (Far Left) / 4 mA (Far Right)(RA-Reverse Acting (Optional))
Sensor Type:
Platinum RTD
Sensor Curve:
PTC (Positive Temperature Coefficient)
Number Sensing Points:
One
Number Wires:
Two
Lead Wire Colors:
A/TTM100-R/R2: Brown/Brown
A/TTM1K-R/R2: Black/Black
Sensor Output @ 0ºC (32ºF):
A/TT100/TTM100-R/R2: 100 Ohms
A/TT1K/TTM1K-R/R2: 1000 Ohms
Sensor Accuracy:
+/- 0.06% Class A | (Tolerance Formula: +/- °C = (0.002 * |t|)) where |t| is the absolute valuse of temperature above or below 0°C in °C
Din Standard | Temperature Coeffcient:
DIN EN 60751 (IEC 751) | 3850 ppm / °C
Stability:
+/- 0.03% after 1000 hours @ 300°C (572°F)
Input:
4 to 20 mA Only (2-Wire Loop Powered)
LCD Display Accuracy:
+/- 1.0% of Calibrated Temperature Span or +/- Whichever is Greater
LCD Display Descriptor | Number of Digits:
°F (Fahrenheit) or °C (Celsius) | 3 1/2 Segment Display
LCD Display Life Expectancy:
50,000 Hours Minimum
Operating Temperature Range:
35 to 122°F (1.5 to 50°C)
spans may go outside of the operating temperature range but the unit must be used within the operating temperature limit
Storage Temperature Range:
Non-LCD:-40 to 65°C (-40 to 149°F) | LCD Display: -10 to 65°C (14 to 149°F)
35 to 122°F (1.5 to 50°C) spans may go outside of the operating temperature range but the unit must be used within the operating temperature limit
Operating Humidity Range:
5 to 95% RH non-condensing
Enclosure Specifications (Material, Operating Temperature, NEMA Ratings)::
“-R2” Enclosure: ABS Plastic | White | UL94-HB
“-R” Enclosure: ABS Plastic | Beige | UL94-HB
Foam Pad Material | Flammability Rating:
Neoprene/EPDM/SBR Polymer | UL94-HBD; FMVSS-302; MIL-R-6130C
Product Dimensions:
4.50" (114.3 mm) x 2.78" (70.6 mm) x 1.00" (25.4 mm)
Product Weight:
“-R/RS/RO” Series: 0.17 lbs. (0.375 kg)
“-RSO” Series: 0.21 lbs. (0.46 kg)
“-R2/R2S/R2O” Series: 0.19 lbs. (0.42 kg)
“-R2SO” Series: 0.23 lbs. (0.51 kg)
All LCD Display Units: 0.174 lbs (0.079 kg)
Agency Approvals:
RoHS2, WEEE

