Detailed Product Description

TWO-WIRE TEMPERATURE TRANSMITTER    BTT789

          (with integrated Pt-100 sensor)

        (with or without digital indication)

• Protection Class IP65
• Local LCD or LED-indicator (option)
• Pt-100 temp.range 50 till +200°C
• Vibration-proof
• Sensor Length 20 to 300mm
• 0.1% accuracy
• Connector DIN 43650
• Output Linear with Temperature
• Two-wire 4-20 mA
• Low Cost

DESCRIPTION

The BASI temperature probes series BTT789 measure temperature by means of a Pt100 sensitive element and convert it into standard 4...20mA two-wire current signal. These transmitters have a robust vibration-proof stainless steel sheath with IP65 protection class. The probe interior is filled with special compound, which protects the electronics from the harsh ambient influences. The BTT789 probes are equipped with connectors according to DIN 43650 that allow fast and easy electrical decoupling. BTT789 probes can be ordered with six different measuring temperature ranges from -50 °C and up to +200 °C. Various stem diameters and lengths as well as stainless steel types are also available. A local loop-powered LED or LCD indicator can be optionally mounted between the sheath top and the connector. Thanks to their small size and robust design, the BTT789 probes are applicable for cars, rail

vehicles, construction machines, and other industrial equipment.

SPECIFICATIONS GENERAL

RTD Pt-100 : -100.0 850.0°C JIS or DIN

Min range : Min 50°C

Output : Two-wire, 4-20 mA

Maximum load : 0 - 750Ω at 24VDC

INSTALLATION

Supply voltage : 10 - 32 VDC +/-10%

Operating temp : -40 to 85°C

Media pressure : Max 25 bar

PERFORMANCE

Accuracy : ±0.1%

Burnout : More than 23mA

Display : 4 digit LCD or LED

EMC : EN 50081-1, EN 50082-2, EN 61326, 89/336/EEC

ORDERING CODE

BTT789-X-X-X-X-X-X

Range          Connection    Length       Diam          Material      Display

X Specify       X Specify        X Specify     X Specify     X Specify     X None

1 -50-+50C    1 G ½             1 20mm       6 6mm        1 1.4301      A LCD indicator

2 0-50C         2 ½ NPT         2 50mm       8 8mm        3 1.4571      B LED indicator

3 0-100C       3 3/8 NPT       3 100mm

4 -50-100C    4 M10x1,5       4 200mm

5 0-150C       5 M18x1,5       5 300mm 

6 0-200C       6 M20x1,5 X None