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T91* Temperature Transmitter
Brand: Kele
The Kele T91U 1,000 ohms RTD range-able transmitter is a range selectable, two-wire 4-20 mA RTD transmitter used with Type 91, 1,000 ohms platinum RTD sensors.
The transmitter is available in six standard ranges, or it can be set for any range between -34° to 156° C (-30° to 280° F) with a minimum span of 22° C (40° F).
To adjust the T91U, set the DIP switches to match the desired range, and use the zero and span pots to fine tune.
A high accuracy digital ohmmeter and decade box are required.
The T91U has a special 20 mA loop calibration test signal to provide easy system verification.
Simply move the bottle plug jumper from norm to 20, and the transmitter will output a constant 20 mA.
The loop-up LED provides power indication for the 4-20 mA output.
Features- DIP switch range-able Loop-calibration test signal Snap-track mounting Loop-powered LED indication Fits into card slot of ST-U91 housing Very high-range and low-range models available CE approved (commercial and industrial) Conformal coated
1 - 12 of 128 Part Numbers
T91H
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Commercial CE (EN50081-1 & EN50082-1)
- Sensor Type - Transmitter Only
T91H-AV
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Commercial CE (EN50081-1 & EN50082-1)
- Sensor Type - ST-AV91H Averaging Sensor
T91H-D
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Commercial CE (EN50081-1 & EN50082-1)
- Sensor Type - ST-D91-XW Duct Sensor
T91H-EMC
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Industrial CE, RF/EM Hardened (EN50081-2 & EN50082-2)
- Sensor Type - Transmitter Only
T91H-EMC-AV
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Industrial CE, RF/EM Hardened (EN50081-2 & EN50082-2)
- Sensor Type - ST-AV91H Averaging Sensor
T91H-EMC-D
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Industrial CE, RF/EM Hardened (EN50081-2 & EN50082-2)
- Sensor Type - ST-D91-XW Duct Sensor
T91H-EMC-O
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Industrial CE, RF/EM Hardened (EN50081-2 & EN50082-2)
- Sensor Type - ST-O91 Outside Air Sensor
T91H-EMC-W
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Industrial CE, RF/EM Hardened (EN50081-2 & EN50082-2)
- Sensor Type - ST-W91-XW Immersion Sensor with Brass Well
T91H-EMC-WE
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Industrial CE, RF/EM Hardened (EN50081-2 & EN50082-2)
- Sensor Type - ST-W91-E-XW Immersion Sensor without Well
T91H-EMC-WS
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Industrial CE, RF/EM Hardened (EN50081-2 & EN50082-2)
- Sensor Type - ST-W91-S-XW Immersion Sensor with Stainless Steel Well
T91H-EMC-XTD
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Industrial CE, RF/EM Hardened (EN50081-2 & EN50082-2)
- Sensor Type - Digital Display Duct Sensor
T91H-O
- Model - 4-20 mA RTD Transmitter High Temperature Rangeability (XR Range Only)
- Certificates - Commercial CE (EN50081-1 & EN50082-1)
- Sensor Type - ST-O91 Outside Air Sensor
1 - 12 of 128 Part Numbers
Specifications
Brand
Accuracy
- 0.06° C (0.1° F)
- 0.2 % of Span
Approvals & Certifications
- CE: EN 50081-1, EN 50082-1, EN 50081-2, EN 50082-2 Industrial RF/EM Hardened
Display
- 3-1/2-Digits
- LCD Display
Element
- 1,000 ohms Platinum - Sensor Element
Environmental Protection
- IP65
- NEMA 4
Humidity
- Operating: 0 to 95 % Non-Condensing
Indication
- Loop-Powered LED
Mounting
- Snap Track
Operating Temperature
- -18° to 60° C (0° to 140° F)
Output
- 4-20 mA
Output Impedence
- 375 ohms, Max.
- 675 ohms at 24 Vdc, Max.
RTD Type
- Pt375 (1,000 ohms)
Sensor, Probe Connection
- 2-Wire
Sensor, Probe Type
- RTD
Span - Minimum
- 4.4° C (40° F)
Supply Voltage
- 10.5-45 Vdc
Switch Type
- DIP Switches
Temperature Range
- -184.4° to 0° C (-300° to 32° F) - Usable Range for T91L
- -184° to -22° C (-300° to -8° F) - for T91L Zero
- -34.4° to 121.1° C (-30° to 250° F) - Usable Range for T91U
- -34.4° to 98.9° C (-30° to 210° F) - for T91U Zero
- 93.3° to 573.8° C (200° to 1,000° F) - Usable Range for T91H
- 93° to 515° C (200° to 960° F) - for T91H Zero