---
lang: "en"
title: "TT-BB Black Bulb Sensor"
canonical_url: "https://shop.marcomweb.it/en/modbus/tt-bb-black-bulb-sensor"
brand: "MARCOM S.r.l."
---

## Available variants

---
title: "TT-BB Black Bulb Sensor — Variant: Black bulb sensor PT100A"
sku: "TT-BB-D"
canonical_url: "https://shop.marcomweb.it/en/modbus/tt-bb-black-bulb-sensor?config=2194"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

---
title: "TT-BB Black Bulb Sensor — Variant: Black bulb sensor NI1000A"
sku: "TT-BB-F"
canonical_url: "https://shop.marcomweb.it/en/modbus/tt-bb-black-bulb-sensor?config=2195"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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TT-BB Black Bulb Sensor

Comfort temperature measurement can be achieved by taking into account the radiant effect of surfaces within the controlled space. Comfort temperature is specified as the average of the conductive temperature and the radiant temperature. The TT-BB is a low-cost black bulb temperature sensor used to measure radiant heat in indoor environments. The units contain a high-quality thermistor or platinum element.

### Features and Benefits

- Different sensing materials to choose from
- Sphere element for heat measurement
- Increased comfort in environments

## Technical Specifications

- Resistive Thermistor PT Resistive Types
- NI Resistive Types Resistive Setpoint
- Mom. Switch N/O Pushbutton
- Thermistor ±0.2°C from 0 to 70°C
- PT Types ±0.2°C @ 25°C
- NI Types ±0.4°C @ 0°C
- Material ABS (flame retardant)
- Dimensions 115 x 85 x 30 mm
- Color RAL 9003 glossy white finish
- Material Anodized aluminum
- Dimensions 17.5 x 37 mm diameter
- Protection IP30
- Temperature -10 to 60°C
- Humidity 0 to 95% non-condensing
- Weight 120 g
- Country of origin United Kingdom
- Compliance (CVO types only) EMC, CE and UKCA Mark

---

Source: https://shop.marcomweb.it/en/modbus/tt-bb-black-bulb-sensor

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.