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Product overview
Transmitter w/ 100 Ohm RTD (NIST Cert), Duct, 8", NEMA 3R Enclosure, 4-20mA Output, 5PT NIST
Application
- Roof Top Units
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
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 < 500ºF (260ºC): +/- 0.2%
Temp. Spans > 500ºF (260ºC): +/- 0.5%
Transmitter’s calibrated at 71ºF (22ºC) nominal
Thermal Drift:
Temp. Spans < 100ºF (38ºC): +/- 0.04%/ºF
Temp. Spans > 100ºF (38ºC): +/- 0.02%
Temperature Drift is referenced to 71ºF nominal calibration temperature
TTM100/TTM1K NIST Certification Points:
3 Point NIST: 20%, 50% & 80% of span
5 Point NIST: 20%, 35%, 50%, 65%, 80% of span
Warm Up Time:
10 Minutes | Drift+/- 0.1%
Transmitter Operating Temperature Range:
-40ºF (-40ºC) to 185ºF (85ºC)
Operating Humidity Range:
0 to 90%, non-condensing
Min/Max Temperature Spans:
Minimum Temp. Span: 50ºF (28ºC)
Maximum Temp. Span: 500ºF (260ºC)
Matched Calibrated Temperature Spans (A/TTM models) Range:
-45 to 155ºC (-49 to 311ºF)
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 Nm ) nominal
Sensor Type:
Platinum RTD
Sensor Curve:
PTC (Positive Temperature Coefficient)
Number Sensing Points:
One
Number Wires:
Two
Lead Wire Colors:
A/TT100/TTM100 Series: Brown/Brown
A/TT1K/TTM1K Series: Black/Black
Sensor Output @ 0ºC (32ºF):
A/TT100/TTM100 Series: 100 Ohms nominal
A/TT1K/TTM1K Series: 1000 Ohms nominal
Sensor Tolerance | Accuracy:
+/- 0.06% Class A | (Tolerance Formula: +/- ºC = (0.15ºC + (0.002 * |t|))
where |t| is the absolute value of Temperature above or below 0ºC in ºC)
Din Standard | Temperature Coeffcient:
DIN EN 60751 (IEC 751) | 3850 ppm / ºC
Stability:
+/- 0.03% after 1000 Hours @ 300ºC (572ºF)
Response Time (63% Step Change):
8 Seconds nominal
Operating Temperature Range:
-40 to 200ºC (-40 to 392ºF)
Enclosure Temperature Rating:
“-GD” Enclosure: -40 to 115ºC (-40 to 239ºF), Galvanized Steel, NEMA 1 (IP10)
“-PB” Enclosure: -30 to 100ºC (-22 to 212ºF), ABS Plastic, UL94-5VB, Plenum Rated
“-BB” Enclosure: -40 to 115ºC (-40 to 239ºF), Aluminum, NEMA 3R (IP14)
“-4X” Enclosure: -40 to 70ºC (-40 to 158ºF), Polystyrene Plastic, NEMA 4X (IP66)
Storage Temperature Range:
-40 to 85ºC (-40 to 185ºF)
Operating Humidity Range:
10 to 90% RH, non-condensing
Probe Diameter:
0.250” (6.35mm)
Probe Material:
304 Stainless Steel
Fitting Material | Flammability Rating:
Polyamide 66 (High Performance Nylon 66) | UL94-HB
Foam Pad Material | Flammability Rating:
Neoprene/EPDM/SBR Polymer | UL94-HBF; FMVSS-302; MIL-R-6130C
Lead Length | Conductor Size:
14” (35.6 cm) | 22 AWG (0.65mm)
Lead Wire Insulation | Wire Rating:
Etched Teflon (PTFE) Colored Leads | Mil Spec 16878/4 Type E
Conductor Material:
Silver Plated Copper
Agency Approvals:
RoHS2, WEEE
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