| Powerless Operation for Controlled Climates |
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| Reliable and economical temperature protection for residential or commercial security systems. Wire units in parallel for simple, wide-area coverage. Ideal for computer rooms, residential/vacation homes, greenhouses, animal buildings and unattended buildings. Not for use in cooler/freezer monitoring; instead choose an EnviroAlert with a probe.
Products are sold through distributors world-wide. Please refer to the Distributor List for your local distributor. |
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- Monitor High and Low temperature limits by setting an acceptable temperature range with high and low limit alarms.
- Device will activate virtually any alarm panel dialer or wireless system through a dry contact output.
- Has gold plated N.O. (Normally Open) dry contacts.
- No power required to operate.
- All TempAlert devices are RoHS/WEEE compliant.
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MTA-1 |
With a sleek, low profile the MTA-1 offers economical temperature monitoring. With separate high and low temperature outputs you will receive a separate alarm when temperatures are higher and lower than your desired set points. |
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| Model Number |
MTA-1 |
| Part Number |
M-001-0098 |
| Power Requirements |
No power required to operate |
| Low Limit Adjust Range |
+30 to 90°F (-1 to 32.2°C) |
| High Limit Adjust Range |
+40 to 100°F (+4 to 37.7°C) |
| Minimum Temp Span |
10° - Recommended distance between high and low set points |
| Temp Accuracy |
±3°F (±1.7°C) |
| Temp Response Time |
TC = 14 minutes |
| Temp Sensing Element |
Bimetallic Coil |
| Outputs |
Gold plated N.O. dry contacts
(Not for high voltage use) |
| Contact Output Rating |
12VDC @ 50mA |
| Weight |
6 oz (170 g) |
| Dimensions |
4.5 x 3.25 x 1” (11.4 x 8.3 x 2.5 cm) |
| Material |
ABS |
| Mounting |
Surface Mount |
| MTA-1 Specification Sheet |
MTA-1 Product Manual |
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TA-1 |
The TA-1 offers economical wide-range temperature monitoring. If the monitored temperature rises above or falls below the set points, a dry contact closure output is provided. |
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| Model Number |
TA-1 |
| Part Number |
M-001-0099 |
| Power Requirements |
No power required to operate |
| Low Limit Adjust Range |
-30 to +120°F (-34 to +49°C) |
| High Limit Adjust Range |
-20 to +130°F (-29 to +54°C) |
| Minimum Temp Span |
10° - Recommended distance between high and low set points |
| Temp Accuracy |
±3°F (±1.7°C) |
| Temp Response Time |
TC = 14 minutes |
| Temp Sensing Element |
Bimetallic Coil |
| Outputs |
Gold plated N.O. dry contacts
(Not for high voltage use) |
| Contact Output Rating |
12VDC @ 50mA |
| Weight |
12 oz (340 g) |
| Dimensions |
6.25 x 3.75 x 2” (15.9 x 9.5 x 5.1 cm) |
| Material |
ABS |
| Mounting |
Key Slot |
| TA-1 Specification Sheet |
TA-1 Product Manual |
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TA-2HL |
With retro-styling, the TA-2HL has a wide temperature range and separate alarm outputs. If the monitored temperature rises above the high set point, a dry contact closure output is provided. If the monitored temperature falls below the low set point, a second dry contact closure output is provided. |
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| Model Number |
TA-2HL |
| Part Number |
M-001-0100 |
| Power Requirements |
No power required to operate |
| Low Limit Adjust Range |
-30 to +120°F (-34 to +49°C) |
| High Limit Adjust Range |
-20 to +130°F (-29 to +54°C) |
| Minimum Temp Span |
10° - Recommended distance between high and low set points |
| Temp Accuracy |
±3°F (±1.7°C) |
| Temp Response Time |
TC = 14 minutes |
| Temp Sensing Element |
Bimetallic Coil |
| Outputs |
Gold plated N.O. dry contacts
(Not for high voltage use) |
| Contact Output Rating |
12VDC @ 50mA |
| Weight |
12 oz (340 g) |
| Dimensions |
6.25 x 3.75 x 1” (15.9 x 9.5 x 2.5 cm) |
| Material |
ABS |
| Mounting |
Key Slot |
| TA-2HL Specification Sheet |
TA-2HL Product Manual |
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TA-40 |
The simple low-cost TA-40 has a mechanically fixed set point that allows normally closed contacts to open when the monitored temperature falls below the 4° C set point. This contact output is used to active external low current/voltage alarms. |
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| Model Number |
TA-40 |
| Part Number |
M-001-0101 |
| Power Requirements |
No power required to operate |
| Temp Accuracy |
±5.4°F (±3°C) |
| Temp Sensing Element |
Bimetallic |
| Outputs |
N.C. (Normanlly Closed) dry contacts
(Not for high voltage use) |
| Contact Output Rating |
Voltage ≤ to 24V AC/DC
Current ≤ 200mA |
| Weight |
3 oz (85 g) |
| Dimensions |
2.5 x .8 x 0.55” (6.4 x 2 x 1.4 cm) |
| Material |
ABS |
| Mounting |
2 screw holes (0.165" [0.42 cm] dia) |
| TA-40 Specification Sheet |
TA-40 Product Manual |
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